The perfect anti-fatigue mat solution when conductive properties are required to discharge static electricity. This mat is made from virgin nitril rubber with carbon black. The primary areas to use this exceptional mat is in electronics manufactruring and explosives manufacturing. The chemical resistance is VERY good. The ERGOMAT^(R) NITRIL ESD will not be affected by most commonly used acids and bases. Has a specialty rating of Class 100 (Fed. Syus. No. 209D). Over all thickness is 5/8". Custom sizes are available in 2', 3' and 4' wide and up to 60' long. Call 1-800-969-4374 for details.