SCG Chemicals EL-Pro™ P642J Polypropylene Injection Molding

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SCG Chemicals EL-Pro™ P642J Polypropylene Injection Molding
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene, Molded
Material Notes:	Key Characteristics: Good flowability Excellent stiffness High impact strength Mechanical property balance Contains UV stabilizer and anti-static agent Recommended Applications: Industrial and household product with combined need of high stiffness and toughness Electrical appliance parts mainly for washing tub Battery case Automotive and motorcycle parts Information provided by SCG Chemicals
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Physical Properties	Metric	English	Comments

Specific Gravity	0.910 g/cc	0.910 g/cc	ASTM D1505
Linear Mold Shrinkage, Flow	0.014 cm/cm @Thickness 2.00 mm	0.014 in/in @Thickness 0.0787 in	TPE Method
Linear Mold Shrinkage, Transverse	0.0121 cm/cm @Thickness 2.00 mm	0.0121 in/in @Thickness 0.0787 in	TPE Method
Melt Flow	10 g/10 min @Load 2.16 kg, Temperature 230 °C	10 g/10 min @Load 4.76 lb, Temperature 446 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	75	75	ASTM D785
Tensile Strength at Break	18.0 MPa	2610 psi	ASTM D638
Tensile Strength, Yield	27.5 MPa	3980 psi	ASTM D638
Elongation at Break	200 %	200 %	ASTM D638
Flexural Modulus	1.37 GPa	199 ksi	ASTM D790
Izod Impact, Notched	0.392 J/cm @Temperature -20.0 °C	0.735 ft-lb/in @Temperature -4.00 °F	ASTM D256
	0.588 J/cm @Temperature 0.000 °C	1.10 ft-lb/in @Temperature 32.0 °F	ASTM D256
	0.981 J/cm @Temperature 23.0 °C	1.84 ft-lb/in @Temperature 73.4 °F	ASTM D256

Thermal Properties	Metric	English	Comments
Melting Point	163 °C	325 °F	ASTM D2117
Deflection Temperature at 0.46 MPa (66 psi)	110 °C	230 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	60.0 °C	140 °F	ASTM D648
Brittleness Temperature	-20.0 °C	-4.00 °F	ASTM D746

Optical Properties	Metric	English	Comments
Haze	80 % @Thickness 1.00 mm	80 % @Thickness 0.0394 in	ASTM D1003
Gloss	30 % @Thickness 1.00 mm	30 % @Thickness 0.0394 in	ASTM D2457

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PSCGC957 / 120711

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