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Royaltherm 1721
Silicone-modified EPDM
Royaltherm 1721 is a modified EPDM with a special silicone rubber. Royaltherm is supplied as a base compound that can be vulcanized with peroxides or sulfur/accelerator systems. Royaltherm 1721 is 55 - 65 Durometer when vulcanized with 1.8 phr of dicumyl peroxide. It can be blended with 1421 for intermediate hardness applications.
Mooney Viscosity, ML(1+4)/100'C 50-65
Specific Gravity 1.14
Color Off-white
Industrial field rubber & additives
Uniroyal Chemical Co., Inc/Specialty Chemicals
Phone 203-573-3314; 800-322-3243
Fax 203-573-3541
Homepage -
E-mail
Address 199 Benson Road, Middlebury.CT 06749
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