Go Yen Chemical Goyenchem-HIPS27 High Impact Polystyrene

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Go Yen Chemical Goyenchem-HIPS27 High Impact Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	Characteristic: Super High Impact Extrusion Grade Super High Impact Strength Low Residual Monomer Good Heat Resistance Base Color Stability Excellent Transparency Easy Processing High Flow Applications: Extruded sheets, cable reels, buoy Information provided by Go Yen Chemical
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Physical Properties	Metric	English	Comments

Density	1.05 g/cc	0.0379 lb/in³	ASTM D792
Melt Flow	2.5 g/10 min @Load 5.00 kg, Temperature 200 °C	2.5 g/10 min @Load 11.0 lb, Temperature 392 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	99	99	ASTM D785
Tensile Strength, Yield	25.5 MPa @Thickness 3.17 mm	3700 psi @Thickness 0.125 in	ASTM D638
Elongation at Break	45 % @Thickness 3.17 mm	45 % @Thickness 0.125 in	ASTM D638
Flexural Yield Strength	46.1 MPa @Load 1.00 kg, Thickness 3.00 mm	6680 psi @Load 2.20 lb, Thickness 0.118 in	120°C/h; ASTM D790
Flexural Modulus	2.06 GPa @Load 1.00 kg, Thickness 3.00 mm	299 ksi @Load 2.20 lb, Thickness 0.118 in	120°C/h; ASTM D790
Izod Impact, Notched	0.882 J/cm	1.65 ft-lb/in	A method, 1/4”×1/2”×5/2”; ASTM D256

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	89.0 °C @Thickness 12.7 mm	192 °F @Thickness 0.500 in	Unannealed; ASTM D648
Vicat Softening Point	102 °C @Load 1.00 kg, Thickness 3.00 mm	216 °F @Load 2.20 lb, Thickness 0.118 in	120°C/h; ASTM D1525

Processing Properties	Metric	English	Comments
Processing Temperature	160 - 280 °C	320 - 536 °F	Cylinder
Mold Temperature	35.0 - 65.0 °C	95.0 - 149 °F
Injection Pressure	49.0 - 137 MPa	7110 - 19900 psi

Descriptive Properties
Composition	800 ppm		Residual SM monomer

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PGOYEN786 / 267094

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