Total PSI 945E Polystyrene

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Total PSI 945E Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	Polystyrene 945E is a high impact polystyrene designed for applications requiring extra toughness without sacrificing mechanical properties. Excellent falling dart impact combined with the high gloss. This polymer is superior for co-extrusion of high gloss sheet. 945E has unique capabilities for deep draw thermoforming with good sidewall distribution. An excellent candidate for ABS applications. Information provided by Total Petrochemicals, Inc.
Key Words:	Super high impact, toughness
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Physical Properties	Original Value	Comments

Melt Flow	3.5 g/10 min @Load 5.00 kg, Temperature 200 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength, Yield	3600 psi	ASTM D638
Elongation at Yield	55 %	ASTM D638
Tensile Modulus	300000 psi	ASTM D638
Flexural Strength	6300 psi	ASTM D790
Flexural Modulus	310 ksi	ASTM D790
Izod Impact, Notched	3.00 ft-lb/in	ASTM D256
Falling Dart Impact	13.33 ft-lb	ASTM D3029

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	194 °F	Heat Distortion, Annealed; ASTM D648
Vicat Softening Point	203 °F	ASTM D1525

Optical Properties	Original Value	Comments
Gloss	88 %	60°; ASTM D523

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PFIM921 / 38326

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