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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
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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/in³
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 °C
167 °F
unannealed; ASTM D648
Vicat Softening Point 93.0 °C
199 °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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