Royalene® 645

About
A High Performance Sponge Polymer Unique Features Very high Molecular weight Ultra fast curing Improved abrasion resistance High tensile strength and high tear resistance High wrinkle resistance while maintaining soft compression deflection Excellent green strength for extruded profile shape stability Rapid Banbury mixing and excellent dispersion properties Extended with a white, hydrotreated paraffinic oil Applications TPO and TPV Automotive closed cell sponge extrusions and molded sponge corners Closed cell sheet sponge Dynamic applications&&

Product Description
GenericEPDM+SEBS
Material StatusCommercial: Active
FeaturesGood Green Strength,Ultra high molecular weight,Good Tensile Strength,Oil charge,Good tear strength,Good wear resistance,Fast Cure
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density0.880g/cm³ASTM D792
Mooney viscosity
ML 1+4,125℃48MUInternal Method
Ethylidene norbornene content8.5wt%Internal Method
oils
Paraffin oil75.0phrInternal Method
StabilizerNon-staining 
molecular weight distributionMedium Internal Method
Volatiles< 0.70wt%Internal Method

Notes
1. Typical properties: these are not to be construed as specifications.
2. Unmilled
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