WPP TPO TPO-257

About
This TPO compound has been tailored specifically to meet the requirements of each of the major automobile producers. Features include good scuff, nick and wear resistance and also very good ductility and practical toughness. This compound also features medium flow and an excellent balance of impact strength and rigidity. Typical applications include air dams, facias, cladding, and other various automotive applications.&&

Product Description
GenericPolyolefin Elastomer
Material StatusCommercial: Active
FeaturesGood Rigidity,Good flexibility,High impact resistance,Ductility,Moderate liquidity,Good wear resistance,High scratch resistance
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe
Process MethodsInjection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density0.898g/cm³ASTM D792
Melt Flow Rate9.0g/10minASTM D1238
Shrinkage rate
MD1.2%ASTM D955

MECHANICALNominal valueUnitTest method
tensile strength
yield20.7MPaASTM D638
Tensile strain
fracture500%ASTM D638
Bending modulus
tangent938MPaASTM D790
bending strength26.9MPaASTM D790

elastic bodyNominal valueUnitTest method
tear strength114kN/mASTM D624

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch
21℃560J/mASTM D256
Dart impact equipped with measuring instruments
-30℃27.1JASTM D3763
Drop hammer impact
-30℃27.1JASTM D3029

Process Conditions
injectionNominal valueUnitTest method
Proposed maximum recycled material ratio20%
Processing (melt) temperature207 to 221°C
Mold temperature10 to 49°C
Injection speedSlow-Moderate 
Clamping force2.8 to 5.5kN/cm²

Notes
1. Typical properties: these are not to be construed as specifications.
2. 2.0 in/min
3. 0.50 in/min
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