A. Schulman Diamond ASA M-523

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A. Schulman Diamond ASA M-523
Categories:	Polymer; Thermoplastic; ASA Polymer; Acrylonitrile/Styrene/Acrylate (ASA), Unreinforced, Molded
Material Notes:	Description: ASA Weatherable Polymer, Injection Molding Grade, High Heat Information provided by Diamond Polymers, Inc. A. Schulman has acquired Network Polymers & Diamond Polymers.
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Physical Properties	Original Value	Comments

Specific Gravity	1.10 g/cc	ASTM D792
Linear Mold Shrinkage	0.0040 - 0.0070 cm/cm	ASTM D955
Melt Flow	9.2 g/10 min @Load 5.00 kg, Temperature 200 °C	Procedure A Condition G; ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	7245 psi	chs 2 in/min; ASTM D638
Flexural Strength	11400 psi	chs 0.05 in/min; ASTM 790
Flexural Modulus	348000 psi	Tangent, chs 0.05 in/min; ASTM D790
Izod Impact, Notched	1.50 ft-lb/in @Thickness 3.17 mm, Temperature 23.0 °C	bar; ASTM D256

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	212 °F	0.125 in bar Unannealed/Conditioned 40 hours at 23°C; ASTM D648
	217 °F	0.25 in bar Unannealed/Conditioned 40 hours at 23°C; ASTM D648

Optical Properties	Original Value	Comments
Gloss	96.5 %	at 60°; ASTM D523

Processing Properties	Original Value	Comments
Rear Barrel Temperature	480 - 490 °F
Middle Barrel Temperature	500 - 510 °F
Front Barrel Temperature	510 - 520 °F
Nozzle Temperature	510 - 520 °F
Melt Temperature	430 - 520 °F	Melt temperatures above 530°F are not recommended, and may result in color shifts and or thermal instability.
Mold Temperature	170 - 180 °F	Higher mold temperature can aid flow in processing, provides a better surface finish, and creates less residual stress in the finished products.
Drying Temperature	180 - 198 °F
Dry Time	4 - 6 hour
Moisture Content	<= 0.10 %
Back Pressure	75.0 - 150 psi

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PDIAM268 / 30106

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