KKPC Kuhmo MIB 237 Blow Molding HIPS

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KKPC Kuhmo MIB 237 Blow Molding HIPS
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	Key features: Good-profiling, Thin-layer Molding. Common Uses: It is used exclusively as a container for fermented milk beverages. 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.
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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	8.5 g/10 min	8.5 g/10 min	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell M	70	70	ASTM D785
Tensile Strength, Ultimate	27.9 MPa	4050 psi	ASTM D638
Elongation at Break	30 %	30 %	ASTM D638
Flexural Yield Strength	43.49 MPa	6308 psi	ASTM D790
Flexural Modulus	1.860 GPa	269.8 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

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

Thermal Properties	Metric	English	Comments
Deflection Temperature at 1.8 MPa (264 psi)	74.0 °C	165 °F	unannealed; ASTM D648
Vicat Softening Point	98.0 °C	208 °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

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PKKPCS54 / 48845

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