A General Purpose Extrusion and Molding Polymer

Polymer Name: Ethylene Propylene Diene Terpolymer (EPDM)

Processing Methods: Calendering, Extrusion, Profile Extrusion

Density: 870.0 - 870.0 kg/m³

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Knowde Enhanced TDS

Identification & Functionality


Features & Benefits

Unique Features
  • Excellent Mixing and Extrusion Characteristics
  • Excellent Weathering Characteristics
  • Good Green Strength
  • Fast Cure Rate

Applications & Uses

Plastics & Elastomers Processing Methods
  • Calendered Goods
  • Extruded Profiles
  • Hose
  • Molded Products


Physical Form
Physical Properties
ValueUnitsTest Method / Conditions
Mooney Viscosity, ML (1+4)/125°C (Milled)57-ZS 1223B
E/P Weight Ratio68/32%ZS 1231
Molecular Weight DistributionMedium- -
Ethylidene norbornene (ENB)3.9wt%ZS 1222
Specific Gravity0.87-ASTM D792
Typical Properties
ValueUnitsTest Method / Conditions
ENB Content3.9wt %ZS 1222
Ethylene/Propylene68/32w/wZS 1231
Molecular Weight DistributionMediumZS 1296A
Mooney Viscosity (Milled)57ML (1+4)/125°CZBS 1223B
Specific Gravity0.87g/cc.ASTM D-792
Volatile Matter1wt %ZS 1008K
Other Properties
ValueUnitsTest Method / Conditions
Volatile Matter1.0 Max.wt%ZS 1008
Additional Information
ValueUnitsTest Method / Conditions

Regulatory & Compliance

Certifications & Compliance
Regulatory & Compliance Information

Royalene® 512 has FDA Compliance with several FDA titles, including 21CFR: §177.2600, rubber articles intended for repeated use. Consult the FDA title for use and restrictions. See also the Royalene FDA Summary for other FDA titles.