API II 545

About
Product Description: API II 545 is a high impact, high heat resistant grade of impact modified polystyrene. This material features higher temperature usage, fast set-up times and dimensional stability. Application: API II 545 is suggested for heavy molded parts with large cross section requiring high impact resistance. It is an excellent profile and sheet Extrusion product balancing toughness and stiffness. Complies with FDA regulation 21 CFR 177.1640.&&

Product Description
GenericPS (HIPS)
Material StatusCommercial: Active
FeaturesHigh impact resistance,Good Dimensional Stability,High Heat Resistance
AvailabilitysNorth America
Process MethodsProfile extrusion

Technical Data
PHYSICALNominal valueUnitTest method
Density1.04g/cm³ASTM D892
Melt Flow Rate
200℃,5.0kg4.5g/10minASTM D1238

IMPACTNominal valueUnitTest method
Impact strength of cantilever beam notch
3.2mm110J/mASTM D256

THERMALNominal valueUnitTest method
Hot deformation temperature
1.8 MPa, annealed90.0ASTM D648
Vicat Softening Temp101ASTM D1525

MECHANICALNominal valueUnitTest method
Rockwell hardness
Level L47 ASTM D785
Tensile modulus1930MPaASTM D638
tensile strength
fracture27.6MPaASTM D638
Tensile strain
fracture50%ASTM D638
Bending modulus2100MPaASTM D790

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