Products

General purpose, peroxide cured, Ethylene Propylene Terpolymer, 70-75 °IRHD. Terpolymer of ethylene, propylene and diene monomers. To meet ASTM D2000/SAE J200 line call-out M5CA710, A25, B35, C32, EA14, F17.Excellent water and steam resistance with good compression set properties. Better heat and chemical resistance than sulfur cured EPDM. Not mineral oil resistant.

V75W is a copolymer FKM elastomer material suitable for repeated use in equipment associated with the production of dry, aqueous and fatty foodstuffs intended for human consumption.Formulated using only those ingredients determined by the United States Federal Food and Drug Administration (FDA), V75W has undergone extraction testing in accordance with Code of Federal Regulations Title 21 (CFR21), Section 177.2600.V75W also complies with the requirements of USP 25, NF20, 2002, Class 6 and has been tested in accordance with 3-A Sanitary Standards 18-03 Class 1.Key Attributes Low compression set provides long-term sealing performance. Excellent resistance to oils, fuels and hydraulic fluids. FDA compliant - extraction tested to CFR 21 § 177.2600(e,f) USP Class VI <88> and USP <87> compliant 3-A Sanitary Standards 18-03 Class 1 compliant Free from Animal Derived Ingredients (ADI-free) Typical Applications Pharmaceutical and bio-analytical equipment Food processing equipment Industrial applications (eg. paint spray and printing)

General Purpose, Ethylene Propylene Terpolymer (EPT) 75-85 IRHD. Terpolymer of ethylene, propylene and diene monomers. To meet Aerospace specification DTD 5597A Grade 80. ASTM & ISO designation = EPDM.For sealing applications where good fluid resistance and low compression set are of prime importance. For continuous and/or intermittent use in contact with phosphate ester or silicone hydraulic fluids within the temperature ranges as quoted. Suitable for applications in contact with air, this material has excellent resistance to ozone. Unsuitable for use in contact with fuels, mineral oil based and diester oils and silicate fluids or greases derived from these.

A red/brown high performance polymer containing a unique self- reinforcing polymer structure, developed specifically for aggressive semiconductor applications. The high purity of the polymer combined with the absence of any fillers makes this polymer suitable for processes involving lower feature sizes. This material has a low coefficient of thermal expansion, low compression set and has an extremely low etch rate in aggressive plasma environments.Key Attributes Exceptionally pure - does not contain any fillers which may cause particulation problems. Outstanding plasma resistance - ideal for Chlorine, Fluorine & Oxygen chemistries. Exceptionally low plasma etch rate Low thermal expansion Retro-fits existing O-ring grooves (including FKM & FFKM grooves) Low permeation Low out-gassing Low adhesion (reduced sticking) Typical Applications Dynamic seals Static seals Wafer-handling products

A translucent beige compound with semi-crystalline perfluoropolymer nano-filler, specially developed to meet the demands of the semiconductor and bio-analytical industries. Compatible with fluorine based chemistries and universally suitable for both wet and dry semiconductor processes including Lithography, Plasma, PVD, CVD, Etch, Stripping and Cleaning.Perlast® G67P combines a fully fluorinated polymer backbone, a fully fluorinated nano-filler system (no inorganic fillers) and a highly fluorinated cross-linking process, which results in a perfluoroelastomer with unrivaled purity and chemical resistance.Perlast® G67P has a significantly lower compressive modulus than traditional perfluoroelastomers, making it highly compliant. So for a given compression, it exhibits a low reaction force, this results in lower stress on the seal, which leads to longer life expectancy.Key Attributes Exceptionally pure - does not contain any inorganic fillers which may cause particulation problems. Excellent chemical and temperature resistance. Excellent mechanical properties. Extremely low out-gassing properties making it ideal for vacuum sealing applications. High sealing efficiency. High material compliance reduces surface permeation. Reduced first wafer effect. Lower cost of ownership. Typical Applications Dynamic seals Static seals Wafer-handling products

V74C is a fluoroelastomer (FKM) material developed to offer extremely low compression set combined with excellent heat aging properties.V74C has been engineered to retain its mechanical properties significantly longer than conventional FKM grades even under extreme temperature cycling, thereby providing increased service life and significantly lower the cost of ownership.V74C exhibits good resistance to acids and aqueous media, and excellent resistance to oil, fuels and hydraulic fluids at high temperature.Available in any sized O-ring (fully molded up to 2m/6.5ft internal diameter) and custom designed components.Key Attributes Extremely low compression set and cumulative compression set providing extended seal life Excellent long-term high temperature stability Superior heat aging properties for long-term sealing Typical Applications Vacuum pumps & compressors (high temperature applications) Mechanical seals Chemical pumps and valves Couplings and quick connectors

Sulphur cured Ethylene Propylene Terpolymer 60-70 °IRHD. Terpolymer of ethylene, propylene and diene monomers. Formulated in accordance with BS2494 Type ‘W'.For joint rings, sealing rings and gaskets, and general applications where water and weathering resistance is required

White Nitrile Butadiene Rubber (NBR), 66-75 °IRHD. Copolymer of acrylonitrile and butadiene. Formulated using only those ingredients determined by the United States Federal Food and Drug Administration (FDA) to be in accordance with Code of Federal Regulations Title 21 (CFR21), Section 177.2600 and Section 180.22. Water, Hexane and acrylonitrile extraction tested.For repeated use in equipment associated with the production of aqueous and fatty foodstuffs intended for human consumption.

Fluoroelastomer Rubber, 75-85 °IRHD. Copolymer of vinylidene fluoride and hexafluoropropylene. Formulated using only those ingredients determined by the United States Federal Food and Drug Administration (FDA). Water and n-Hexane extraction tested in accordance with Code of Federal Regulations Title 21 (CFR21), Section 177.2600.Excellent oil and heat resistance. For repeated use in equipment associated with the production of foodstuffs intended for human consumption. For use with aqueous or fatty foods.

Sulphur cured, white Ethylene Propylene Terpolymer, 75-85 °IRHD. Terpolymer of ethylene, propylene and diene monomers. Formulated using only those ingredients determined by the United States Federal Food and Drug Administration (FDA) to be in accordance with Code of Federal Regulations Title (CFR21), Section 177.2600 (a-e): "Rubber articles intended for repeated use".Material formulated for repeated use with aqueous foodstuffs intended for human consumption.

Perlast® G75M is a black, multi-purpose, perfluoroelastomer compound that provides ultimate all-round resistance to a broad range of chemicals.Perlast® G75M offers an extremely low compression set, with modulus and hardness optimized to suit the majority of sealing applications. Perlast® G75M is ideally suited for use in mechanical seals and multi- substance chemical plants.Perlast® G75M can be molded into O-rings (any size up to 2m/6.5ft diameter) and custom shapes.Key Attributes Extremely low compression set Superior long-term sealing efficiency Broad chemical resistance High mechanical strength Typical Applications Pumps Valves Mechanical seals Chemical process and refining industries Couplings & fittings

Detectaseal® XN7H is the latest advance in contamination detection and containment. This unique range of metal detectable elastomer compounds has been developed specifically to meet the stringent demands of the pharmaceutical and food processing industries.The Detectaseal® fragments as small as 2-3mm can be easily identified by in-line metal detection equipment used to detect product contaminated by process lines.The Detectaseal® range includes Nitrile, Silicone, EPDM and Fluoropolymer (FKM) elastomer compounds (all FDA-compliant) available in blue and black, which allows the most appropriate material to be selected for every application.Detectaseal® compounds can be molded into O-rings and custom components.Key Attributes Early detection and containment of contamination: Reduced product loss, Increased productivity Blue seals to assist in easy identification Excellent mechanical properties and sealing efficiency Exceptional oil and heat resistance FDA-compliant elastomer materials Free from animal-derived ingredients Typical Applications Static and dynamic sealing applications Food processing equipment Pharmaceutical drug manufacturing equipment Bioscience industry.

Perlast® G80A uses a unique molecular cross-linking technology to offer the broadest range of chemical resistance of any FFKM with the ability to operate up to a maximum temperature of 260°C (500°F).An extremely versatile material, Perlast® G80A is suitable for 90% of sealing applications encountered in the chemical processing and refining industries, providing excellent resistance to highly aggressive acids, amines, chlorine and solvent-based chemistries.

Detectaseal® XN7A is the latest advance in contamination detection and containment. This unique range of metal detectable elastomer compounds has been developed specifically to meet the stringent demands of the pharmaceutical and food processing industries.The Detectaseal® fragments as small as 2-3mm can be easily identified by in-line metal detection equipment used to detect product contaminated by process lines.The Detectaseal® range includes Nitrile, Silicone, EPDM and Fluoropolymer (FKM) elastomer compounds (all FDA-compliant) available in blue and black, which allows the most appropriate material to be selected for every application.Detectaseal® compounds can be molded into O-rings and custom components.Key Attributes Early detection and containment of contamination: Reduced product loss, Increased productivity Blue seals to assist in easy identification Excellent mechanical properties and sealing efficiency Exceptional oil and heat resistance FDA-compliant elastomer materials Free from animal-derived ingredients Typical Applications Static and dynamic sealing applications Food processing equipment Pharmaceutical drug manufacturing equipment Bioscience industry.

N83B is a Copolymer of acrylonitrile and butadiene with a medium ACN content of 30 - 45%.NBR materials typically provide excellent resistance to petroleum-based oils, fuels and greases, as well as, very low gas permeability, ozone resistance, plus exceptional heat aging and mechanical properties.N83B is accepted by the UK Ministry of Defense (MOD) to Defense Standard 02-337 part 1, issue 1 (NES 337) for use on naval ships and submarines. Material code MN80.Available in any sized O-ring (fully molded up to 2.5m/8ft internal diameter) and custom designed components.Key Attributes Excellent resistance to aliphatic hydrocarbon oils, fuels and greases. Very low gas permeability Accepted by M.O.D. to Def. Stan. NES 337 Typical Applications Naval ships and submarines Aerospace Applications

Detectaseal® XS7H is the latest advance in contamination detection and containment. This unique range of metal detectable elastomer compounds has been developed specifically to meet the stringent demands of the pharmaceutical and food processing industries.The Detectaseal® fragments as small as 2-3mm can be easily identified by in-line metal detection equipment used to detect product contaminated by process lines.The Detectaseal® range includes Nitrile, Silicone, EPDM and Fluoropolymer (FKM) elastomer compounds (all FDA-compliant) available in blue and black, which allows the most appropriate material to be selected for every application.Detectaseal® compounds can be molded into O-rings and custom components.Key Attributes Early detection and containment of contamination: Reduced product loss, Increased productivity Blue seals to assist in easy identification Excellent mechanical properties and sealing efficiency Exceptional oil and heat resistance FDA-compliant elastomer materials Free from animal-derived ingredients Typical Applications Static and dynamic sealing applications Food processing equipment Pharmaceutical drug manufacturing equipment Bioscience industry.

A translucent brown fluoropolymer compound reinforced with semi- crystalline perfluoropolymer nano-particles, specially developed to meet the demands of the semiconductor industry.Nanofluor® Y75N combines a fully fluorinated nano-filler system which significantly reduces gas permeability. The absence of metallic or carbon-based fillers produces an exceptionally pure, translucent elastomer that is less prone to chemical attack with the benefit of reduced swelling following exposure to aggressive media.Nanofluor® Y75N is a truly novel material which bridges the gap between fluorocarbons (FKM) and perfluoroelastomers (FFKM). Its high fluorine content provides unrivaled purity, excellent high temperature capability and very good chemical resistance. Nanofluor® Y75N is a cost effective upgrade from FKM and fluorosilicone in many semiconductor applications.Key Attributes Good all round chemical and temperature resistance. Outstanding mechanical properties. Exceptional oxygen plasma resistance. Exceptionally pure - does not contain any inorganic fillers or metal oxides which cause particulation problems. Extremely low permeability and out-gassing properties making it ideal for vacuum sealing applications. High sealing conformity reduces surface permeation. Typical ApplicationsDesigned for use in semiconductor applications, including: NW and KF flange fittings Dry plasma etch Wet etch (acid based) Dry ashing Oxidation/diffusion Lithography Static seals: O-rings, body seals, cathode seals Gaskets

V71C is a Terpolymer FKM material developed to offer increased efficiency and service life in low temperature applications.V71C extends the operational performance of FKM seals by a full 15°C lower than is possible with well established low temperature FKM grades. It sets a new industry benchmark in low temperature performance.V71C exhibits the same chemical and mechanical properties as B-type and G-type FKM grades.Available in any sized O-ring (fully molded up to 2m/6.5ft internal diameter) and custom designed components.Key Attributes With a glass transition of -40°C (-40°F), V71C offers the widest operating temperature range of -51°C to +225°C Low compression set giving excellent seal performance Good elongation properties making fitting easier even at low temperature Excellent resistance to petroleum, oil, silicone and di-ester liquids Typical Applications Valves and pumps in cold (Arctic) operating environments Mechanical seals Flow meters & sensors Seal applications that are exposed to cold situations or high temperature variations.

Detectaseal® XV7A is the latest advance in contamination detection and containment. This unique range of metal detectable elastomer compounds has been developed specifically to meet the stringent demands of the pharmaceutical and food processing industries.The Detectaseal® fragments as small as 2-3mm can be easily identified by in-line metal detection equipment used to detect product contaminated by process lines.The Detectaseal® range includes Nitrile, Silicone, EPDM and Fluoropolymer (FKM) elastomer compounds (all FDA-compliant) available in blue and black, which allows the most appropriate material to be selected for every application.Detectaseal® compounds can be molded into O-rings and custom components.Key Attributes Early detection and containment of contamination: Reduced product loss, Increased productivity Blue seals to assist in easy identification Excellent mechanical properties and sealing efficiency Exceptional oil and heat resistance FDA-compliant elastomer materials Free from animal-derived ingredients Typical Applications Static and dynamic sealing applications Food processing equipment Pharmaceutical drug manufacturing equipment Bioscience industry.

White Silicone Rubber, 68-78 °IRHD. Silicone rubber having both methyl and vinyl substituent groups on the polymer chain. Formulated using only those ingredients determined by the United States Federal Food and Drug Administration (FDA). Water and n-Hexane extraction tested in accordance with Code of Federal Regulations Title 21 (CFR21), Section 177.2600. Also complies with the requirements of USP 29, NF 24 2006: <87> Biological Reactivity Test ‘in vitro' and USP 26, NF 21, 2003: <88> Biological Reactivity Tests ‘in vivo' Class VI. ASTM & ISO designation = VMQ.Excellent heat resistance and low temperature flexibility. Used primarily for dry heat static seals. Low physical strength and poor abrasion resistance prevents dynamic sealing.

Detectaseal® XV7H is the latest advance in contamination detection and containment. This unique range of metal detectable elastomer compounds has been developed specifically to meet the stringent demands of the pharmaceutical and food processing industries.The Detectaseal® fragments as small as 2-3mm can be easily identified by in-line metal detection equipment used to detect product contaminated by process lines.The Detectaseal® range includes Nitrile, Silicone, EPDM and Fluoropolymer (FKM) elastomer compounds (all FDA-compliant) available in blue and black, which allows the most appropriate material to be selected for every application.Detectaseal® compounds can be molded into O-rings and custom components.Key Attributes Early detection and containment of contamination: Reduced product loss, Increased productivity Blue seals to assist in easy identification Excellent mechanical properties and sealing efficiency Exceptional oil and heat resistance FDA-compliant elastomer materials Free from animal-derived ingredients Typical Applications Static and dynamic sealing applications Food processing equipment Pharmaceutical drug manufacturing equipment Bioscience industry.

S71U is a high transparency grade of silicone rubber intended for use in food, dairy, brewing, potable water, pharmaceutical and biomedical applications. Platinum-cured silicone is odorless, tasteless and non toxic. Seals made from S71U are resistant to repeated sterilizing, autoclaving and cleaning agents commonly used in these industries.Unlike traditional peroxide-cure methods, platinum curing results in a smooth contact surface finish and a high degree of purity. No residue substances such as benzoic acid, peroxides, ketones are produced during manufacturing, which can be transferred from the seal to critical hygienic products.Key Attributes Compliant with FDA FDA CFR210177.2600 for use with dry, aqueous and fatty food stuffs. Conforms to USP class VI suffix 87 and 88, Biological Reactivity tests. Good mechanical and physical properties Chemically stable over a temperature range of -60°C to +200°C. Withstands sterilizing and autoclaving procedures Free from Animal Derived Ingredients (ADI) Typical Applications Food processing and packaging equipment Pharmaceutical and biomedical apparatus Hygienic seals in dairy equipment Potable and high-purity water applications

Z93B is a Copolymer of acrylonitrile and butadiene with a medium ACN content of 30 - 45%.HNBR materials typically provide superior heat resistance, excellent mechanical properties, combined with exceptional resistance to oils, hydrogen sulfide, amines present in crude oil, high energy radiation, ozone and weathering.Z93B is accepted by the UK Ministry of Defense (MOD) to Defense Standard 02-337 part 1, issue 2 (NES 337) for use on naval ships and submarines.Available in any sized O-ring (fully molded up to 2.5m/8ft internal diameter) and custom designed components.Key Attributes Excellent chemical resistance Excellent wear resistance and mechanical properties Accepted by M.O.D. to Def. Stan. NES 337 Meets ASTM D2000/SAE J200 line call-out M4DH716, A26, B36, EO16, EO36, F17. Typical Applications Naval ships and submarines Oilfield applications

Peroxide cured, Hydrogenated Nitrile Butadiene Rubber (HNBR), 65-75 °IRHD. Medium acrylonitrile content (ACN = 34%). To meet ASTM D2000/SAE J200 line call-out M4DH716, A26, B36, EO16, EO36, F17.High strength and excellent chemical resistance. Higher operating temperature than standard nitrile. Suitable for use with sour (H 2 S) crude oil and gas, which may also include lubricating, oil additives and amine corrosion inhibitors. Good resistance to weathering and ozone.

N73B is a Copolymer of acrylonitrile and butadiene with a medium ACN content of 30 - 45%.NBR materials typically provide excellent resistance to petroleum-based oils, fuels and greases, as well as, very low gas permeability, ozone resistance, plus exceptional heat aging and mechanical properties.N73B is accepted by the UK Ministry of Defense (MOD) to Defense Standard 02-337 part 1, issue 1 (NES 337) for use on naval ships and submarines. Material code MN70.Available in any sized O-ring (fully molded up to 2.5m/8ft internal diameter) and custom designed components.Key Attributes Excellent resistance to aliphatic hydrocarbon oils, fuels and greases. Very low gas permeability Accepted by M.O.D. to Def. Stan. NES 337 Typical Applications Naval ships and submarines Aerospace applications Pumps Valves

ETP polymer. This peroxide cured compound is based on a tetrapolymer of Ethylene, Tetrafluoroethylene (TFE) and Perfluoromethylvinylether (PMVE), and a cure site monomer - 70-80 °IRHD.This compound offers a higher level of fluid resistance than that of fluoroelastomers. It is not totally perfluorinated, so will not exhibit the ultra-low volume swell associated with Perlast® perfluoroelastomers. It is particularly suited to applications which have contact with strong amines, bases, steam and polar solvents. It improves on the chemical resistance of Aflas® and FKM elastomers, while retaining excellent low temperature performance.

V76F is a peroxide-cured tetrapolymer (70% fluorine) formulated for high performance sealing applications in today's aggressive industrial environments.V76F has been developed to provide outstanding resistance to solvents, fuels, hot water and steam (above 150°C/302°F).V76F also offers superior resistance to acids, oils, coolants and hydraulic fluids, making it ideal for use in fuel systems, chemical processing equipment and certain critical diesel engine locations.Alternative to lead-containing (litharge-cured) steam resistant grades.Key Attributes Excellent resistance to fuels and solvents Excellent resistance to oils, steam/water and hydraulic fluids High temperature performance Superior long-term sealing performance Typical Applications Marine diesel engines (e.g. fuel systems, cooling ports) Biofuel processing equipment Heat exchangers Paper/pulp processing equipment Hot water/steam systems

Perlast® ICE G90LT offers a unique combination of excellent chemical resistance, explosive decompression resistance and low temperature capability down to -46°C (-51°F).Perlast® ICE G90LT has been formulated to provide excellent resistance to a broad range of chemicals by carefully controlling the molecular architecture. In addition, this perflouroelastomer has a low permeability and as a result, it is less prone to swelling, leading to extended in-service performance in valves, pumps and mechanical seals.Ideal for use in exploration and completion applications and equipment operating or stored in sub-zero conditions. Perlast® ICE G90LT is suitable for both dynamic and static applications and can be fully molded into O-rings (any size up to 2.5m/8ft internal diameter) and custom shapes.Key Attributes Excellent explosive decompression resistance Tested to NORSOK M710 standard Exceptional resistance to methanol, sour gas, hot water, steam, oils, acids and amines beyond that of conventional TFE/P (Aflas ® ) and FKM polymers Excellent low-temperature sealing capability Suitable for use in API 6A & 6D wellhead equipment and valves. Good mechanical properties Good high temperature resistance. Typical Applications Drilling tools (deepwater) Wellhead equipment Completion tools Pipe connectors Downstream refinery & petrochem equipment Pumps Valves Compressors Mechanical seals

Perlast® G74S has been specifically developed to cope with a wide range of process media, potent active pharmaceutical ingredients (API's) and aggressive cleaning agents, being especially suited to withstand steam-in-place (SIP) and clean-in-place (CIP) procedures within pipe work and vessels. G74S is also suitable for other critical applications such as Water-For-Injection (WFI) systems.Perlast® G74S can be used for all types of applications requiring FDA and USP Class VI compliance. It is suitable for use in all product contact applications including dry, aqueous and fatty media.Perlast® G74S is suitable for both dynamic and static applications and can be molded into O-rings and custom shapes.Key Attributes Excellent chemical resistance to a wide range of chemicals Superior mechanical properties High tensile strength makes G74S ideal for dynamic applications Excellent steam resistance (ASME BPE 2000) FDA compliant - extraction tested to CFR 21 § 177.2600(e,f) USP Class VI <88> and USP <87> compliant 3-A Standard 18-03 Class 1 compliant Free from Animal Derived Ingredients (ADI) Typical Applications Dynamic seals Static seals

N70F is a copolymer of acrylonitrile and butadiene, formulated using only those ingredients determined by the United States Federal Food and Drug Administration (FDA) to be in accordance with Code of Federal Regulations Title 21 (CFR21), Section 177.2600 and Section 180.22.Available in any sized O-ring (fully molded up to 2.5m/8ft internal diameter), gaskets and custom designed components.Key Attributes FDA compliant - extraction tested to CFR 21 § 177.2600 (e,f) 3A Sanitary Standard 18-03 Class 2 compliant Free from Animal Derived Ingredients Typical Applications Recommended for use in equipment associated with the production of foodstuffs intended for human consumption. O-rings Gaskets Hygienic/sanitary couplings & pipe connectors Valves Pumps Metering equipment

V80D is a fluoroelastomer (FKM) material developed to offer superior long-term low compression set and heat aging properties whilst operating at high temperature.V80D has been engineered to retain its mechanical properties longer than conventional FKM grades combined with excellent chemical resistance to petroleum, silicone, air and diester-based fluids.Meets Aerospace Specifications DTD5612A & DTD5543B Grade 80.Available in any sized O-ring (fully molded up to 2.5m/8ft internal diameter) and custom designed components.Key Attributes Excellent long-term sealing performance Superior heat aging properties for extended service life Superior chemical resistance especially in heavy fuel oil (HFO) at temperatures up to 150°C (302°F). Typical Applications Mechanical seals Chemical pumps and valves Diesel engines: Injection systems, Cylinder seals, Exhaust valve seals up to 180°C (356°F) Couplings and quick connectors

Perlast® G76W is an ivory colored perfluoroelastomer developed as a cost effective material for use in demanding applications within the industrial, analytical and automotive sectors.Perlast® G76W incorporates a reinforcing filler system which delivers outstanding chemical resistance against a wide range of chemicals and solvents typically used in paint spray, chromatography, mass spectroscopy, detergent dispensers, printing and industrial applications.Perlast® G76W provides excellent sealing performance in cost sensitive applications and its superior chemical resistance is complimented by exceptionally low compression set, high elongation and high tensile strength, ensuring maximum sealing efficiency. High elongation allows easy installation into small diameter piston grooves.Key Attributes Cost effective high performance perfluoroelastomer Outstanding solvent resistance Excellent resistance to reactive chemistries and oxidizing agents Low compression set High sealing efficiency Strong physical characteristics Easy to install Typical Applications O-rings Static & Dynamic seals Lip Seals Check Valves Miniature Pumps & Valves Paint Spray Heads Ink Jet heads Detergent Dispensers

Red Silicone Rubber, 66-75 °IRHD. Silicone rubber having both methyl and vinyl substituent groups on the polymer chain. ASTM & ISO designation = VMQ.Excellent heat resistance and low temperature flexibility. Used primarily for dry heat static seals. Low physical strength and poor abrasion resistance prevents dynamic sealing.

Peroxide cured, Ethylene Propylene Terpolymer, 60 °IRHD. Terpolymer of ethylene, propylene and diene monomers. Formulated using only those ingredients determined by the United States Federal Food and Drug Administration (FDA) to be in accordance with Code of Federal Regulations, Title 21 (CFR21), Section 177.2600. To meet ASTM D2000/SAE J200 line call-out M4CA610, A25, B35, C32, EA14, F17.Excellent water and steam resistance with good compression set properties. Superior heat and chemical resistance compared to sulfur cured EPDM. Not oil resistant.

N63B is a Copolymer of acrylonitrile and butadiene with a medium ACN content of 30 - 45%.NBR materials typically provide excellent resistance to petroleum-based oils, fuels and greases, as well as, very low gas permeability, ozone resistance, plus exceptional heat aging and mechanical properties.N63B is accepted by the UK Ministry of Defense (MOD) to Defense Standard 02-337 part 1, issue 1 (NES 337) for use on naval ships and submarines. Material code MN60.Available in any sized O-ring (fully molded up to 2.5m/8ft internal diameter) and custom designed components.Key Attributes Excellent resistance to aliphatic hydrocarbon oils, fuels and greases. Very low gas permeability Accepted by M.O.D. to Def. Stan. NES 337 Typical Applications Naval ships and submarines Aerospace applications

Peroxide cured, Fluoroelastomer Rubber, 70-80 IRHD. Tetrapolymer of vinylidene fluoride, perfluoromethyl vinyl ether, tetrafluoroethylene plus cure site monomer (CSM). Formulated using Viton? GLT. Viton? is a registered trademark of Dupont®. ASTM designation = FKM. ISO designation = FPM.Recommended for use in static or dynamic applications where low temperature performance is required. Chemical resistance is similar to that of standard fluoroelastomer. Low temperature performance superior to other grades of fluoroelastomer.