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Plastics Group Polifil® RP-HIPS High Impact Polystyrene

Category Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Impact Modified
Manufacturer The Plastics Group of America
Trade Name Polifil®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Plastics Group Polifil® RP-HIPS High Impact Polystyrene.pdf
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Material Notes:
Polifil® RP-High Impact Polystyrene (HIPS) combines the good stiffness properties of polystyrene, with enhanced impact properties gained by the addition of impact modifiers, usually butadiene rubber. An amorphous resin, HIPS has low post-molding shrinkage, good melt strength, and a wide melt processing window, making the resin ideal for many sheet and thermoforming applications. Injection molding applications include cutlery, appliance parts, and furniture components. Sheet extrusion applications include thermoformed plates, cups, and trays. Information provided by The Plastics Group.
Physical Properties Metric English Comments
Density 1.05 g/cc
0.0379 lb/in³
ASTM D792
Water Absorption 0.00 %
0.00 %
24 hours; ASTM D570
Melt Flow 4.0 - 12 g/10 min
4.0 - 12 g/10 min
200/5; May be specified; ASTM D1238
Mechanical Properties Metric English Comments
Tensile Strength, Yield 24.8 MPa
3600 psi
ASTM D638
Elongation at Break 20 %
20 %
ASTM D638
Flexural Modulus 1.93 GPa
280 ksi
1% Secant; ASTM D790
Izod Impact, Notched 0.961 J/cm
1.80 ft-lb/in
ASTM D256
Thermal Properties Metric English Comments
Vicat Softening Point 96.1 °C
205 °F
ASTM D648
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