LG Chemical LI942 Heat Resistant ASA

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LG Chemical LI942 Heat Resistant ASA
Categories:	Polymer; Thermoplastic; ASA Polymer; Acrylonitrile/Styrene/Acrylate (ASA), Unreinforced, Molded
Material Notes:	Description: High Heat ASA Application: Automotive Part (Roof Rack Cover) CAS: 26299-47-8 Information provided by LG Chemical
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Physical Properties	Original Value	Comments

Specific Gravity	1.07 g/cc	ASTM D792
Maximum Moisture Content	0.010	Injection Molding
Linear Mold Shrinkage, Flow	0.0040 - 0.0070 cm/cm @Thickness 3.20 mm	ASTM D955
Melt Flow	3.0 g/10 min @Load 10.0 kg, Temperature 220 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Rockwell R	105	ASTM D785
Tensile Strength, Yield	480 kg(f)/cm² @Thickness 3.20 mm	50mm/min; ASTM D638
Elongation at Break	15 % @Thickness 3.20 mm	50mm/min; ASTM D638
Flexural Yield Strength	750 kg(f)/cm² @Thickness 3.20 mm	15mm/min; ASTM D790
Flexural Modulus	23500 kg(f)/cm² @Thickness 3.20 mm	15mm/min; ASTM D790
Izod Impact, Notched	9.00 kg-cm/cm @Thickness 6.50 mm, Temperature 23.0 °C	ASTM D256
	9.00 kg-cm/cm @Thickness 3.20 mm, Temperature 23.0 °C	ASTM D256

Electrical Properties	Original Value	Comments
Arc Resistance	120 - 180 sec	ASTM D495
Hot Wire Ignition, HWI	15 - 30 sec @Thickness >=1.50 mm
	15 - 30 sec @Thickness >=3.00 mm
High Amp Arc Ignition, HAI	>= 120 arcs @Thickness 1.50 mm
	>= 120 arcs @Thickness 3.00 mm
High Voltage Arc-Tracking Rate, HVTR	10.0 - 25.4 mm/min

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	99.0 °C @Thickness 6.40 mm	Unannealed; ASTM D648
Vicat Softening Point	105 °C @Load 5.00 kg	50°C/h; ASTM D1525
UL RTI, Electrical	50.0 °C @Thickness >=1.50 mm
	50.0 °C @Thickness >=3.00 mm
UL RTI, Mechanical with Impact	50.0 °C @Thickness >=1.50 mm
	50.0 °C @Thickness >=3.00 mm
UL RTI, Mechanical without Impact	50.0 °C @Thickness >=1.50 mm
	50.0 °C @Thickness >=3.00 mm
Flammability, UL94	HB @Thickness >=1.50 mm
	HB @Thickness >=3.00 mm

Processing Properties	Original Value	Comments
Rear Barrel Temperature	200 - 230 °C	Injection Molding
Middle Barrel Temperature	210 - 240 °C	Injection Molding
Front Barrel Temperature	220 - 250 °C	Injection Molding
Nozzle Temperature	220 - 250 °C	Injection Molding
Melt Temperature	210 - 250 °C	Injection Molding
Mold Temperature	40.0 - 60.0 °C	Injection Molding
Drying Temperature	70.0 - 80.0 °C	Injection Molding
Dry Time	3.00 - 4.00 hour	Injection Molding
Back Pressure	68.6 - 88.3 MPa	Injection Molding
Screw Speed	<= 80 rpm	Injection Molding

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