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Rulon Bearings

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Dow Nordel® NDR 3722P EPDM Hydrocarbon Rubber
Categories: Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)

Material Notes: Description: NDR 3722P is a semicrystalline, very low diene containing polymer with low viscosity for good processability. The low unsaturation provides excellent long term thermal and UV stability. It is specially designed for medium voltage wire and cable applications. It can also be used in peroxide cured molded and other extruded applications. NDR 3722P is developmental and made via INSITE™ technology.

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Physical PropertiesOriginal ValueComments
Density 0.880 g/ccASTM D297
Volatiles <= 0.40 %Total Volatiles; DuPont Dow PQ-E-007
Mooney Viscosity 20
@Temperature 125 °C
ML 1 + 4; ASTM D1646
Ash <= 0.10 %ASTM D5667
 
Descriptive Properties
ENB0.5 mass%ASTM D6047
Ethylene70.5 mass%ASTM D3900
Molecular Weight DistributionMediumDuPont Dow PQ-E-034 and 036
Product FormPellets
Propylene29 mass%ASTM D3900
Residual Transition MetalMax 10 ppmDuPont Dow

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