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Features: Chemical Resistant
204 products found on DuPont
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Kalrez® 4079 product card banner

DuPont

Kalrez® 4079

Polymer Name: Perfluoroelastomer (FFKM)

Physical Form: Seals, Custom, Diaphragms, O-rings

Features: Good Mechanical Properties, High Temperature Resistance, Heat Aging Resistant, Low Compression Set, Good Thermal Stability, Chemical Resistant, General Purpose

End Uses: Semiconductor Applications, Pump Parts, Aircraft Applications

Color: Black

Kalrez® 4079 perfluoroelastomer parts are a low compression set product for general purpose use in O-rings, diaphragms, seals and other parts used in the chemical process and aircraft industries. It is a carbon black filled product with excellent chemical resistance, good mechanical properties, and outstanding hot air aging properties. It exhibits low swell in organic acids, inorganic acids and aldehydes, and has good response to temperature cycling effects. A maximum service temperature of 316°C (600°F) is suggested, with short excursions to higher temperatures possible. Kalrez® 4079 is not recommended for use in hot water/steam applications or in contact with certain hot aliphatic amines, ethylene oxide, or propylene oxide.

Kalrez® Spectrum™ 6375 product card banner

DuPont

Kalrez® Spectrum™ 6375

Polymer Name: Perfluoroelastomer (FFKM)

Physical Form: Seals, Custom, Diaphragms, O-rings, Valve Seats

Features: High Temperature Resistance, Good Thermal Stability, Chemical Resistant

End Uses: Valve Parts, Electrical Connectors, Logging While Drilling Tools, Semiconductor Applications, Ball Valves, Measurement While Drilling Tools, Valves, Electric Submersible Pump

Color: Black

Kalrez® Spectrum™ 6375 is designed to give outstanding performance in the widest possible range of chemicals and temperatures. Mixed streams, once a problem for many chemical processors, can now be handled by 6375, furthermore, the curing system also allows for a maximum service temperature of 275°C (525 °F) which translates to increased chemical resistance over all temperature ranges, especially if high temperature process excursions occur. This combination of chemical and thermal resistance provides advantages for chemical processors. Kalrez® Spectrum™ 6375 is a carbon black-filled product for general use in O-rings, seals, diaphragms and other parts specifically for the chemical process industry. This product has excellent broad chemical resistance, good mechanical properties, and outstanding hot-air aging properties. Kalrez® Spectrum™ 6375 is well suited for use in mixed process streams because of its excellent resistance to acids, bases, and amines. It is also recommended for use in hot water, steam, pure ethylene oxide and propylene oxide.

Kalrez® Spectrum™ 7075 product card banner

DuPont

Kalrez® Spectrum™ 7075

Polymer Name: Perfluoroelastomer (FFKM)

Physical Form: Seals, Custom, Diaphragms, O-rings, Valve Seats

Features: Good Seal Force Retention, High Temperature Resistance, Low Compression Set, Good Thermal Stability, Chemical Resistant

End Uses: Flanges, Semiconductor Applications, Pump Parts, Hot Glue Delivery Nozzle, Valves, Valve Parts

Color: Black

Kalrez® perfluoroelastomer parts are the material of choice for mechanical seals, valves, flanges and other demanding chemical and hydrocarbon processing applications. Kalrez® Spectrum™ 7075 has enhanced physical properties including very low compression set and improved seal force retention. It is a carbon black-filled product utilizing proprietary cure chemistry. Its mechanical properties are designed for improved sealing performance in both high temperature environments and temperature cycling situations. Kalrez® Spectrum™ 7075 O-rings have a glossy finish. This product was developed specifically for the chemical and hydrocarbon industries to provide improved chemical and thermal resistance better than the industry standard set by Kalrez® 4079.

Delrin® Sc698 Nc010 product card banner

DuPont

Delrin® SC698 NC010

Polymer Name: Polyacetal Homopolymer (POM)

Processing Methods: Injection Molding

Additives Included: Mold Release Agent

Flexural Modulus: 3000.0 - 3000.0 MPa

Common features of Delrin® acetal resins include mechanical and physical properties such as high mechanical strength and rigidity, excellent fatigue and impact resistance, as well as resistance to moisture, gasoline, lubricants, solvents, and many other neutral chemicals. Delrin® acetal resins also have excellent dimensional stability and good electrical insulating characteristics. They are naturally resilient, self-lubricating, and available in a variety of colors and speciality grades. Delrin® acetal resin typically is used in demanding applications in the automotive, domestic appliances, sports, industrial engineering, electronics, and consumer goods industries. Delrin® SC698 NC010 is a lubricated low viscosity acetal homopolymer, developed for high precision thin-walled parts requiring low wear and low friction with excellent surface aspect.

Zytel® Fr50 Nc010 product card banner

DuPont

Zytel® FR50 NC010

Polymer Name: Polyamide 66 (PA 66)

Processing Methods: Injection Molding

Fillers Included: Glass Fiber

Additives Included: Lubricant (Unspecified), Flame Retardant

Zytel® FR50 NC010 is a 25% Glass Reinforced, Flame Retardant, Polyamide 66

Kalrez® 6230 product card banner

DuPont

Kalrez® 6230

Polymer Name: Perfluoroelastomer (FFKM)

Physical Form: Seals, O-rings

Features: Low Contamination From Extractables, Chemical Resistant, Good Steam Cycling Resistance

End Uses: Semiconductor Applications, O Rings

Color: Black

Kalrez® 6230/6230A* perfluoroelastomer parts are a black product that provide superior chemical resistance and low contamination from extractables in pharmaceutical and food handling applications where FDA compliance is required. Kalrez® 6230/6230A parts are especially suited for Water for Injection (WFI) systems, Steam-in-Place (SIP) cleaning and other critical systems. Kalrez° 6230/6230A parts are thermally stable up to 260°C (500°F), permitting them to be used in Stage II Sterilization processes, where other elastomers lose their sealing ability.

Zytel® 70g30hslr Bk099 product card banner

DuPont

Zytel® 70G30HSLR BK099

Polymer Name: Polyamide 66 (PA 66)

Processing Methods: Injection Molding

Fillers Included: Glass Fiber

Additives Included: Mold Release Agent, Lubricant (Unspecified)

Flexural Modulus: 9000.0 - 9000.0 MPa

Zytel® 70G30HSLR BK099 is a 30% glass fiber reinforced, heat stabilized, hydrolysis-resistant polyamide 66 resin for injection molding.

Kalrez® 6221 product card banner

DuPont

Kalrez® 6221

Polymer Name: Perfluoroelastomer (FFKM)

Physical Form: Seals, O-rings

Features: Low Contamination From Extractables, Chemical Resistant, Good Steam Cycling Resistance

End Uses: Semiconductor Applications, O Rings

Color: White

Kalrez® 6221 perfluoroelastomer parts are a white product that provide superior chemical resistance and low contamination from extractables in pharmaceutical and food handling applications where FDA compliance is required. Kalrez® 6221 parts are especially suited for Water for Injection (WFI) systems, Steam-in-Place (SIP) cleaning and other critical systems. Kalrez® 6221 parts are thermally stable up to 260°C (500°F), permitting them to be used in Stage II Sterilization processes, where other elastomers lose their sealing ability. Kalrez® 6221 is available as O-rings. For white custom parts, please refer to Kalrez® LS205 parts.

Kalrez® 3035 product card banner

DuPont

Kalrez® 3035

Polymer Name: Perfluoroelastomer (FFKM)

Physical Form: O-rings, Seals

Features: Chemical Resistant

End Uses: Semiconductor Applications, O Rings

Color: Black

Kalrez® 3035 perfluoroelastomer parts are a carbon black filled product well suited for use in production of valve stem packings. It may also be used to manufacture O-rings. Kalrez® 3035 was originally developed for use in Kalrez® KVSP® where low process temperatures or cold ambient conditions are involved. Chemical compatibility properties of Kalrez® 3035 are similar to those of Kalrez® 3018. This product has excellent chemical resistance to a wide variety of solvents and has a maximum service temperature of 288 °C (550 °F).

Zytel® 73g30hsl Bk416 product card banner

DuPont

Zytel® 73G30HSL BK416

Polymer Name: Polyamide 6 (PA 6)

Processing Methods: Injection Molding

Fillers Included: Glass Fiber

Flexural Modulus: 8500.0 - 8500.0 MPa

Zytel® 73G30HSL BK416 is a 30% glass fiber reinforced, heat stabilized polyamide 6 for injection molding.

Zytel® 73g40t Nc010 product card banner

DuPont

Zytel® 73G40T NC010

Polymer Name: Polyamide 6 (PA 6)

Fillers Included: Glass Fiber

Zytel® 73G40T NC010 is a 40% Glass Reinforced, Toughened, Polyamide 6

Kalrez® Spectrum™ 6380 product card banner

DuPont

Kalrez® Spectrum™ 6380

Polymer Name: Perfluoroelastomer (FFKM)

Physical Form: Seals, O-rings

Features: Chemical Resistant, Good Mechanical Properties

End Uses: Semiconductor Applications, O Rings

Color: Cream

Kalrez® Spectrum™ 6380 perfluoroelastomers parts are a non-black product developed specifically for chemical processes involving hot, aggressive amines. In addition, it has excellent overall chemical resistance (see chart below). This cream colored product is easily identifiable when selecting an O-ring material for harsh chemical plant services. This material has excellent mechanical properties and is a top choice for both static and dynamic sealing applications. A maximum service temperature of 225°C is suggested while short-term excursions to higher temperatures are permissible.

Zytel® 70g30hslr Nc010 product card banner

DuPont

Zytel® 70G30HSLR NC010

Polymer Name: Polyamide 66 (PA 66)

Processing Methods: Injection Molding

Fillers Included: Glass Fiber

Additives Included: Mold Release Agent, Lubricant (Unspecified)

Flexural Modulus: 9000.0 - 9000.0 MPa

Zytel® 70G30HSLR NC010 is a 30% glass fiber reinforced, heat stabilized, hydrolysis-resistant polyamide 66 resin for injection molding.

Zytel® 70g13hs1l Nc010 product card banner

DuPont

Zytel® 70G13HS1L NC010

Polymer Name: Polyamide 66 (PA 66)

Processing Methods: Injection Molding

Fillers Included: Glass Fiber

Additives Included: Mold Release Agent, Lubricant (Unspecified)

Flexural Modulus: 4900.0 - 4900.0 MPa

Zytel® 70G13HS1L NC010 is a 13% glass fiber reinforced, heat stabilized polyamide 66 resin for injection molding.

Rynite® Fr530 Nc010 product card banner

DuPont

Rynite® FR530 NC010

Polymer Name: Polyethylene Terephthalate (PET), Thermoplastic Polyester

Processing Methods: Injection Molding

Fillers Included: Glass Fiber

Additives Included: Mold Release Agent, Flame Retardant

Flexural Modulus: 10500.0 - 10500.0 MPa

Rynite® FR530 NC010 is a 30% glass-reinforced, flame retardant, modified polyethylene terephthalate resin.

Rynite® Fr533nh Bk507 product card banner

DuPont

Rynite® FR533NH BK507

Polymer Name: Polyethylene Terephthalate (PET), Thermoplastic Polyester

Processing Methods: Injection Molding

Fillers Included: Glass Fiber

Additives Included: Flame Retardant

Flexural Modulus: 13100.0 - 13100.0 MPa

Rynite® FR533NH BK507 is a 33% glass-reinforced, modified polyethylene terephthalate resin using a non-halogenated flame retardant.

Kalrez® 6190 product card banner

DuPont

Kalrez® 6190

Polymer Name: Perfluoroelastomer (FFKM)

Physical Form: Seals

Features: Good Thermal Stability, Chemical Resistant, Good Mechanical Properties

End Uses: Semiconductor Applications, Pump Parts

Color: Black

Kalrez® 6190 perfluoroelastomer parts are a carbon black-filled product specifically designed for custom part and high volume applications. It has excellent thermal stability good mechanical strength properties and can be used in both static and dynamic sealing applications up to 300 °C (572 °F). In addition, Kalrez® 6190 is resistant to most chemical solvents but is not suggested for use in steam, strong acids or strong bases. Please contact a Kalrez® Application Engineer to discuss performance fit in your specific application.

Kalrez® Ls390 product card banner

DuPont

Kalrez® LS390

Polymer Name: Perfluoroelastomer (FFKM)

Physical Form: Seals

Features: High Temperature Resistance, Good Compression Set, Good Thermal Stability, High Hardness, Chemical Resistant, Low Stiction

End Uses: Semiconductor Applications, Pump Parts

Color: Grey

Kalrez® LS390 perfluoroelastomer parts are a grey product for use as sanitary seals in food handling, beverage, and pharmaceutical applications. Kalrez® LS390 perfluoroelastomer parts are a grey product for use as sanitary seals in food handling, beverage, and pharmaceutical applications where FDA, USP <87> and <88> Class VI compliance are required. In addition, Kalrez® LS390 parts also meet Japan Pharmacopeia, edition 16. Kalrez® LS390 has been designed to address these issues by offering High hardness properties, low stiction, temperature resistance up to 220°C (428°F) and excellent chemical resistance to process chemicals, WFI (water for injection), as well as SIP and/or CIP processes. Because of its unique grey color, LS390 parts are easy to identify for proper material selection and application.

Zytel® 70g33hs1l Bk031 product card banner

DuPont

Zytel® 70G33HS1L BK031

Polymer Name: Polyamide 66 (PA 66)

Processing Methods: Injection Molding

Fillers Included: Glass Fiber

Flexural Modulus: 9500.0 - 9500.0 MPa

Zytel® 70G33HS1L BK031 is a 33% glass fiber reinforced, heat stabilized polyamide 66 resin for injection molding.

Kalrez® 0090 product card banner

DuPont

Kalrez® 0090

Polymer Name: Perfluoroelastomer (FFKM)

Physical Form: Seals, O-rings, Valve Seats

Features: High Modulus, Durable, Good Thermal Stability, High Hardness, Chemical Resistant

End Uses: Semiconductor Applications, Pump Parts, Valves, O Rings, Valve Parts

Color: Black

Kalrez® 0090 perfluoroelastomer parts deliver durable, reliable sealing solutions for applications requiring excellent rapid gas decompression (RGD) properties as well as high hardness, high modulus properties, and excellent extrusion resistance (even without backup rings). Potential oil and gas applications include downhole equipment such as drilling and completion tools, as well as industrial equipment including pumps, valves and compressors. Kalrez® 0090 has been certified by two independent laboratories to meet rigorous requirements for resistance to RGD. In addition to demonstrated RGD resistance, Kalrez® 0090 seals provide superior performance in regard to chemical and temperature properties. Chemical resistance: Kalrez® 0090 is resistant to chemicals encountered in the oil and gas industry, including sour process streams containing H2S. Broad temperature capability: Kalrez® 0090 retains good physical properties up to temperatures as high as 250°C (482°F) and down to 21°C (5.8°F). Under pressurized conditions, in laboratory tests, Kalrez® 0090 has demonstrated low temperature performance down to 40°C (40°F).

Kalrez® Spectrum™ 4001 product card banner

DuPont

Kalrez® Spectrum™ 4001

Polymer Name: Perfluoroelastomer (FFKM)

Physical Form: Seals

Features: Chemical Resistant, Low Hardness, Good Mechanical Properties, High Purity

End Uses: Semiconductor Applications, Pump Parts

Color: Black

Kalrez® Spectrum™ 4001 perfluoroelastomer parts are a non-filled product which is well suited for selected high purity applications in the semiconductor industry and other markets. Kalrez® Spectrum™ 4001 has excellent chemical resistance, exhibiting low swell in organic acids, inorganic acids, esters, ketones, and aldehydes. It also offers low hardness and good mechanical properties. While Kalrez® Spectrum™ 4001 is a non-filled perfluoroelastomer, the color is black. A maximum service temperature of 275°C (527°F) is suggested.

Zytel® 70g30hslr Bk186lm product card banner

DuPont

Zytel® 70G30HSLR BK186LM

Polymer Name: Polyamide 66 (PA 66)

Fillers Included: Glass Fiber

Zytel® 70G30HSLR BK186LM is a 30% Glass Reinforced, Heat Stabilized, Hydrolysis Resistant and Laser Markable.

Zytel® 70g35hslra4 Bk267 product card banner

DuPont

Zytel® 70G35HSLRA4 BK267

Polymer Name: Polyamide 66 (PA 66)

Processing Methods: Injection Molding

Fillers Included: Glass Fiber

Additives Included: Mold Release Agent, Lubricant (Unspecified)

Flexural Modulus: 10000.0 - 10000.0 MPa

Zytel® 70G35HSLRA4 BK267 is a 35% glass fiber reinforced, heat stabilized, hydrolysis-resistant polyamide 66 resin for injection molding. It has excellent flow characteristics.

Zytel® 70g50hsl Nc010 product card banner

DuPont

Zytel® 70G50HSL NC010

Polymer Name: Polyamide 66 (PA 66)

Processing Methods: Injection Molding

Fillers Included: Glass Fiber

Flexural Modulus: 16000.0 - 16000.0 MPa

Zytel® 70G50HSL NC010 is a 50% Glass Reinforced, Heat Stabilized, Polyamide 66 Common features of Zytel® nylon resin include mechanical and physical properties such as high mechanical strength, excellent balance of stiffness and toughness, good high temperature performance, good electrical and flammability properties, good abrasion and chemical resistance. In addition, Zytel® nylon resins are available in different modified and reinforced grades to create a wide range of products with tailored properties for specific processes and end-uses. Zytel® nylon resin, including most flame retardant grades, offer the ability to be colored. The good melt stability of Zytel® nylon resin normally enables the recycling of properly handled production waste. If recycling is not possible, DuPont recommends, as the preferred option, incineration with energy recovery (-31kJ/g of base polymer) in appropriately equipped installations. For disposal, local regulations have to be observed. Zytel® nylon resin typically is used in demanding applications in the automotive, furniture, domestic appliances, sporting goods and construction industry.

Kalrez® Spectrum™ 0040 product card banner

DuPont

Kalrez® Spectrum™ 0040

Polymer Name: Perfluoroelastomer (FFKM)

Physical Form: Seals

Features: Chemical Resistant, Low Temperature Flexibility, Good Seal Force Retention, Maintains Elasticity

End Uses: Semiconductor Applications, Pump Parts

Color: Black

Kalrez® Spectrum™ 0040 perfluoroelastomer parts are specifically designed for low temperature environments where significant chemical resistance is required. Low temperature sealing performance (-42°C) typically unattainable for perfluoroelastomers parts is achievable with Kalrez® Spectrum™ 0040. Kalrez® Spectrum™ 0040 is an excellent choice in applications such as couplings for the chemical transportation industry or for other applications where chemical resistance and elasticity are required in some of the coldest environments. The volume swell for Kalrez® Spectrum™ 0040 is approximately 10% when exposed to nitric acid at 110°C for 168 hours.

Zytel® Htn51g35hsl Nc010 product card banner

DuPont

Zytel® HTN51G35HSL NC010

Polymer Name: Polyamide 6T/XT (PA 6T/XT), Polyphthalamide (PPA)

Processing Methods: Injection Molding

Fillers Included: Glass Fiber

Additives Included: Mold Release Agent, Lubricant (Unspecified)

Flexural Modulus: 10300.0 - 10300.0 MPa

Zytel® HTN51G35HSL NC010 is a 35% glass-reinforced, heat stabilized, lubricated, hydrolysis-resistant high performance polyamide resin. It is also a PPA resin.

Zytel® Htn51g35hsl Bk083 product card banner

DuPont

Zytel® HTN51G35HSL BK083

Polymer Name: Polyphthalamide (PPA), Polyamide 6T/XT (PA 6T/XT)

Processing Methods: Injection Molding

Fillers Included: Glass Fiber

Flexural Modulus: 12600.0 - 12600.0 MPa

Zytel® HTN51G35HSL BK083 is a 35% glass-reinforced, heat stabilized, lubricated, hydrolysis-resistant high performance polyamide resin. It is also a PPA resin.

Kalrez® Spectrum™ 7090 product card banner

DuPont

Kalrez® Spectrum™ 7090

Polymer Name: Perfluoroelastomer (FFKM)

Physical Form: Seals

Features: High Modulus, Good Thermal Stability, High Hardness, Good Compressive Strength, Chemical Resistant, Good Mechanical Properties, Good Seal Force Retention

End Uses: Semiconductor Applications, Pump Parts

Color: Black

Kalrez® Spectrum™ 7090 perfluoroelastomer parts are specifically targeted for use in applications requiring high hardness/higher modulus properties. These specialty black parts have excellent mechanical properties including compression set resistance, seal force retention, response to temperature cycling effects and rapid gas decompression resistance. Kalrez® Spectrum™ 7090 perfluoroelastomer parts are well suited for both static and dynamic sealing applications, especially applications that require extrusion resistance at higher temperatures. They also offer outstanding thermal stability and chemical resistance. A maximum service temperature of 325°C (617°F) is suggested. Short excursions to higher temperatures may also be possible.

Zytel® Fr50 Bk505 product card banner

DuPont

Zytel® FR50 BK505

Polymer Name: Polyamide 66 (PA 66)

Processing Methods: Injection Molding

Fillers Included: Glass Fiber

Additives Included: Lubricant (Unspecified), Flame Retardant

Flexural Modulus: 9500.0 - 9500.0 MPa

Zytel® FR50 BK505 is a 25% glass fiber reinforced, flame retardant polyamide 66 resin for injection molding.

Crastin® Sc193 Nc010 product card banner

DuPont

Crastin® SC193 NC010

Polymer Name: PBT/SAN Alloy

Processing Methods: Injection Molding

Density: 1440.0 - 1440.0 kg/m³

Crastin® SC193 NC010 (Complete Data) is a 30% Glass Reinforced Polybutylene Terephthalate Blend Developed for Healthcare Industry

Zytel® 80g33hs1l Nc010 product card banner

DuPont

Zytel® 80G33HS1L NC010

Polymer Name: Polyamide 66 (PA 66)

Processing Methods: Injection Molding

Fillers Included: Glass Fiber

Additives Included: Mold Release Agent, Lubricant (Unspecified)

Flexural Modulus: 7500.0 - 7500.0 MPa

Zytel® 80G33HS1L NC010 is a 33% glass fiber reinforced heat stabilized polyamide 66 resin with outstanding impact resistance developed using DuPont Super Tough technology.

Crastin® Fr684nh1 Or162 product card banner

DuPont

Crastin® FR684NH1 OR162

Polymer Name: Polybutylene Terephthalate Alloy (PBT Alloy)

Processing Methods: Injection Molding

Additives Included: Flame Retardant

Crastin® FR684NH1 OR162 is a 25% Glass Reinforced, Flame Retardant, Non-Halogenated, Polybutylene Terephthalate

Zytel® Htn51g35hslr Bk420 product card banner

DuPont

Zytel® HTN51G35HSLR BK420

Polymer Name: Polyamide 6T/XT (PA 6T/XT), Polyphthalamide (PPA)

Processing Methods: Injection Molding

Fillers Included: Glass Fiber

Additives Included: Mold Release Agent, Lubricant (Unspecified)

Flexural Modulus: 10500.0 - 10500.0 MPa

Zytel® HTN51G35HSLR BK420 is a 35% glass-reinforced, heat stabilized, lubricated, hydrolysis-resistant high performance polyamide resin. It is also a PPA resin.

Zytel® Fr50 Bk153j product card banner

DuPont

Zytel® FR50 BK153J

Polymer Name: Polyamide 66 (PA 66)

Processing Methods: Injection Molding

Additives Included: Lubricant (Unspecified), Flame Retardant

Flexural Modulus: 9160.0 - 9160.0 MPa

Zytel® FR50 BK153J is a 25% Glass Reinforced, Flame Retardant, Polyamide 66

Tpsiv® 4000-75a Sr product card banner

DuPont

TPSiV® 4000-75A SR

Polymer Name: Thermoplastic Vulcanizate (TPV)

Processing Methods: Injection Molding, Extrusion

Density: 1100.0 - 1100.0 kg/m³

Tear Strength: 64.0 - 64.0 kN/m

Compression Set (70 °C): 70.0 - 70.0 %

TPSiV® 4000-75A SR by DuPont is comprised of Thermoplastic Vulcanizate. It is commonly used It is available in Pellets form.

Crastin® Sk641fr Nc010 product card banner

DuPont

Crastin® SK641FR NC010

Polymer Name: Polybutylene Terephthalate Alloy (PBT Alloy)

Processing Methods: Injection Molding

Additives Included: Flame Retardant

Common features of Crastin® thermoplastic polyester resin include mechanical and physical properties such as stiffness and toughness, heat resistance, friction and wear resistance, excellent surface finishes and good colourability. Crastin® thermoplastic polyester resin has excellent electrical insulation characteristics and high arc-resistant grades are available. Many flame retardant grades have UL recognition (class V-0). Crastin® thermoplastic polyester resin typically has high chemical and heat ageing resistance. The good melt stability of Crastin® thermoplastic polyester resin normally enables the recycling of properly handled production waste. If recycling is not possible, DuPont recommends, as the preferred option, incineration with energy recovery (-24 kJ/g of base polymer) in appropriately equipped installations. For disposal, local regulations have to be observed. Crastin® thermoplastic polyester resin typically is used in demanding applications in the electronics, electrical, automotive, mechanical engineering, chemical, domestic appliances and sporting goods industry. Crastin® SK641FR is a flame retardant, 10% glass-reinforced polybutylene terephtalate molding resin. It is recognized as UL94 V-0 at 1.5mm.