Cork/Co-Polymer

An economic cork/rubber material for general sealing applications.
Product Description Rubber Density (in lbs./ft3) Tensile Strength (in lbs./in.2) Compression @ 400 psi Recovery Flex Shore A Hardness
DRG 46
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An economic, soft grade material with superior cushioning, mounting, and anti-skid characteristics. Blend of synthetic rubbers (NBR, CR, Reclaimed Tire Rubber) 41 215 40% 83% 3 max 64
E20*
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An economic, soft grade material with good oil and fuel sealing properties. (Also known as GRC-35) Blend of synthetic rubbers (NBR, CR, Reclaimed Tire Rubber) 36 240 45% 80% 3 max 63
E70*
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An economic, soft grade material with medium fuel resistance. Blend of synthetic rubbers (NBR, CR, Reclaimed Tire Rubber) 40 250 40% 82% 3 max 70
E25*
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Fine cork grain; medium grade nitrile. Nitrile 38 355 30% 80% 3 max 70
250SBN*
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Nitrile & EPDM 31 120 38% @ 100 psi 90% 3 max 50


Data Shows Typical Properties/Values
* Sold in full-cylinder quantities, only

This product is ISO 9001 Certified

Ecore International’s Quality Management System for the manufacture and distribution of rubber, cork, and cork/rubber products for non-flooring applications has been certified to ISO 9001. Globally recognized and respected, ISO 9001 standards are set by the International Organization for Standardization (ISO), a Geneva-based worldwide federation of national standard bodies. This certification demonstrates Ecore’s commitment to and implementation of a dedicated, systematic and quantifiable approach to quality-of-service standards through a rigorous auditing process. ISO 9001 standards specify organizational requirements in documentation, procedures and operations for a quality management system and are important for companies focused on demonstrating the ability to consistently provide products or services that meet customer satisfaction and applicable regulatory requirements.