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"At Apple Rubber, we know the stories behind every one of our seals. From medical procedures to military applications to space exploration – success may depend on the strength of a single o-ring.

Since 1971, Apple Rubber has been tackling the world's toughest sealing challenges, innovating new solutions, and gaining the industry expertise that sets us apart from our competitors. Thanks to our extensive in-house capabilities, our products are fully designed, engineered, and manufactured right in our Lancaster, NY facility.

Over the last 50 years, our team of seasoned engineers have dedicated themselves to pushing the boundaries of rubber seal design and advancing o-ring and rubber material science. Today, we are a leading designer and manufacturer of seals and sealing devices, proudly serving the needs of countless industries around the world."

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ExpresSeal® offers a variety of hydraulic and pneumatic seals in a variety of profiles and is the fastest way to the seal you need. We can produce and quickly ship out seals, including metric sizes, in a variety of profiles to your size specifications from 1/2 inch (12.7 mm) I.D. up to 20 inches (508 mm) O.D.

ExpresSeal

MicrOring® seal is any o-ring that measures less than 1 mm in either inside diameter or cross section. Apple Rubber offers MicrOring® seals in more than 2,000 sizes, ranging from the largest, with an inside diameter or cross section of .039 in. (1.0 mm), down to .008 in. (.20 mm) inside diameter and cross section.

MicrOring

MicrOring® Seals SL is resistant to high, dry heat in primarily static applications. Silicones are fungus resistant, odorless, tasteless, non-toxic elastomers and possess high-resistance to the aging effects of both sunlight and ozone attack.

MicrOring® Seals SL

ExpresSeal® Bronze Filled Teflon® (Brown) - BTFE has better wear, creep resistance and higher thermal conductivity than virgin and glass fiber filled PTFE. Poor chemical resistance in the presence of acids and alkali.

ExpresSeal® Bronze Filled Teflon® (Brown) - BTFE

MicrOring® Seals BN is presently the seal industry’s most widely used elastomer. Nitrile combines excellent resistance to petroleum-based oils and fuels, silicone greases, hydraulic fluids, water and alcohols. It has a good balance of such desirable working properties as low compression set, high tensile strength and high abrasion resistance.

MicrOring® Seals BN

ExpresSeal® Polyurethane (Red) (FDA Compliant) is used in Hydraulic applications where water based fluids are being used.

ExpresSeal® Polyurethane (Red) (FDA Compliant)

MicrOring® Seals VT combines high-temperature toughness with wide chemical agent compatibility, Fluorocarbon compounds feature excellent resistance to petroleum products and solvents and good high-temperature compression set characteristics.

MicrOring® Seals VT

MicrOring® Seals FS combines the good high and low temperature stability of Silicones with the fuel, oil and solvent resistance of fluorocarbons. FS compounds feature good compression set and resilience properties. FS compounds are suitable for exposure to air, sunlight, ozone, chlorinated and aromatic hydrocarbons.

MicrOring® Seals FS

MicrOring® Seals CR is an early developed, oil-resistant substitute for natural rubber, Neoprene features moderate resistance to petroleum oils, good resistance to ozone, sunlight and oxygen aging, relatively low compression set, good resilience, reasonable cost, and high resistance to attack by Freon® and ammonia.

MicrOring® Seals CR

ExpresSeal® POM (White or Black) (Polyoxymethelene/Polyacetal) (Hard Plastics)Used for sealing components such as back-up rings and special shapes. » Low absorption of water (low swelling) and strong mechanical properties make this material ideal for bearings and guide-rings.

ExpresSeal® POM (White or Black) (Polyoxymethelene/Polyacetal) (Hard Plastics)

ExpresSeal® H-NBR (Green) H-NBR is a hydrogenated nitrile butadiene rubber compound. Strongest compound of all the elastomers.

ExpresSeal® H-NBR (Green)

Apple Rubber Products

"At Apple Rubber, we know the stories behind every one of our seals. From medical procedures to military applications to space exploration – success may depend on the strength of a single o-ring.

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Apple Rubber - Seals - O-Rings - Engineering - Manufacturing

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ExpresSeal® NBR (Black) (Nitrile Butadiene Rubber) has good abrasion resistance. elastic, allowing for ease of installation. used for hydraulic and pneumatic applications.

ExpresSeal® NBR (Black) (Nitrile Butadiene Rubber)

ExpresSeal - NBR (Black) (Nitrile Butadiene Rubber) - Apple Rubber - Knowde

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