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KKPC Kuhmo HI 425 General Purpose HIPS

Category	Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Impact Modified
Manufacturer	Korea Kumho Petrochemical Co., Ltd.
Trade Name	Kuhmo
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	KKPC Kuhmo HI 425 General Purpose HIPS.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

Key features: High-impact General Use. Common Uses: Office appliances, home appliances, various kitchenware, general merchandise, toys, leisure goods, etc.HIPS is a functional resin made by copolymerization of styrene monomer and PBR. It shows excellent balance between impact-resistance and heat-resistance.Data provided by Korea Kumho Petrochemical Co., Ltd.

Physical Properties	Metric	English	Comments
Density	1.04 g/cc	0.0376 lb/inÂ³	ASTM D792
Water Absorption	0.050 %	0.050 %	24 hr immersion; ASTM D570
Linear Mold Shrinkage	0.0030 - 0.0060 cm/cm	0.0030 - 0.0060 in/in	ASTM D955
Melt Flow	9.0 g/10 min	9.0 g/10 min	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	60	60	ASTM D785
Tensile Strength, Ultimate	25.5 MPa	3700 psi	ASTM D638
Elongation at Break	55 %	55 %	ASTM D638
Flexural Yield Strength	34.3 MPa	4980 psi	ASTM D790
Flexural Modulus	1.664 GPa	241.4 ksi	ASTM D790
Izod Impact, Notched	0.892 J/cm @Thickness 3.20 mm	1.67 ft-lb/in @Thickness 0.126 in	ASTM D256

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	75.0 Â°C	167 Â°F	unannealed; ASTM D648
Vicat Softening Point	93.0 Â°C	199 Â°F	ASTM D1525
Flammability, UL94	HB @Thickness 1.60 mm	HB @Thickness 0.0630 in
	HB @Thickness 2.20 mm	HB @Thickness 0.0866 in
	HB @Thickness 3.20 mm	HB @Thickness 0.126 in

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.00e+16 ohm-cm	1.00e+16 ohm-cm	ASTM D257
Dielectric Strength	17.7 kV/mm	450 kV/in	ASTM D149

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