Technical datasheet

HPS 850S

Supplied byKaofu Chemical- Last Updated on Jul 1, 2025

HPS 850S by Kaofu Chemical is a high impact polystyrene (HIPS) resin. It exhibits high impact resistance, high heat resistance and low volatility. It is suitable for processing by injection molding. It is used in PC peripheral parts appliances, electrical appliances and office machines. HPS 850S complies with UL 94 flammability regulations.
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HPS 850S properties

Flammability properties

PropertiesValue & unitTest conditionTest method
Flame Class Rating0.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
Flexural Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Strength0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Rockwell0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Izod0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Elongation0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength0.0 Visible After LoginVisible After LoginVisible After Login

Optical properties

PropertiesValue & unitTest conditionTest method
Gloss0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Density0.0 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

Thermal properties

PropertiesValue & unitTest conditionTest method
Heat Deflection Temperature (HDT), Annealed0.0 Visible After LoginVisible After LoginVisible After Login
Vicat Softening Temperature0.0 Visible After LoginVisible After LoginVisible After Login

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