SCG Chemicals EL-Pro™ P842J Polypropylene Injection Molding

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SCG Chemicals EL-Pro™ P842J Polypropylene Injection Molding
Categories:	Polymer; Thermoplastic; Polypropylene (PP); Polypropylene, Molded
Material Notes:	Key Characteristics: Excellent flowability Excellent processability Excellent stiffness Suitable for complex parts and large parts Recommended Applications: Electrical appliance parts, mainly for refrigerator parts and washing machine parts, e.g. base, tub, control panel 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	0.0144 cm/cm @Thickness 2.00 mm	0.0144 in/in @Thickness 0.0787 in	TPE Method
Linear Mold Shrinkage, Transverse	0.013 cm/cm @Thickness 2.00 mm	0.013 in/in @Thickness 0.0787 in	TPE Method
Melt Flow	40 g/10 min @Load 2.16 kg, Temperature 230 °C	40 g/10 min @Load 4.76 lb, Temperature 446 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell R	80	80	ASTM D785
Tensile Strength at Break	18.0 MPa	2610 psi	ASTM D638
Tensile Strength, Yield	28.9 MPa	4200 psi	ASTM D638
Elongation at Break	60 %	60 %	ASTM D638
Flexural Modulus	1.42 GPa	206 ksi	ASTM D790
Izod Impact, Notched	0.343 J/cm @Temperature -20.0 °C	0.643 ft-lb/in @Temperature -4.00 °F	ASTM D256
	0.441 J/cm @Temperature 0.000 °C	0.827 ft-lb/in @Temperature 32.0 °F	ASTM D256
	0.588 J/cm @Temperature 23.0 °C	1.10 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)	115 °C	239 °F	ASTM D648
Deflection Temperature at 1.8 MPa (264 psi)	55.0 °C	131 °F	ASTM D648
Vicat Softening Point	150 °C	302 °F	ASTM D1525
Brittleness Temperature	-20.0 °C	-4.00 °F	ASTM D746
Flammability, UL94	HB	HB

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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PSCGC960 / 120714

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