Technical datasheet

Avantra® 8731

Supplied byPolymer Products Company- Last Updated on Aug 25, 2025

Avantra® 8731 by Polymer Products Company is an ignition resistant, high impact polystyrene (HIPS) resin. It is a polybrominated diphenylether-free grade. Exhibits excellent mechanical and heat resistance properties. Avantra® 8731 is designed for processing by sheet extrusion and injection molding. It complies UL94 flammability regulations.
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Avantra® 8731 properties

Flammability properties

PropertiesValue & unitTest conditionTest method
Flame Rating, UL 940.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Modulus at Break0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength at Break0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

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Tensile Strength at Yield0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Density0.0 Visible After LoginVisible After LoginVisible After Login
Linear Mold Shrinkage0.0 Visible After LoginVisible After LoginVisible After Login
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)0.0 Visible After LoginVisible After LoginVisible After Login
Moisture Absorption0.0 Visible After LoginVisible After LoginVisible After Login
Water Absorption0.0 Visible After LoginVisible After LoginVisible After Login

Avantra® 8731 Processing Guidelines

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