Supreme Petrochem SP 255 Toughened Polystyrene

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Supreme Petrochem SP 255 Toughened Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	Characteristics Superior flexibility Excellent flow grade High ball drop strength Good clarity Processing Extrusion Thermoforming Injection Molding Applications Transparent hangers, stationery items, medical products Extrusion thermoformed clear and deep draw containers Glossy, tough cap layer on HIPS Sheets Material Status: Commercial : Active Agency Ratings: FDA 21 CFR 177.1640 Information provided by Supreme Petrochem LTD
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Physical Properties	Original Value	Comments

Specific Gravity	1.03 g/cc	ASTM D792
Melt Flow	6.0 g/10 min @Load 5.00 kg, Temperature 200 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	39.2 MPa	50 mm/min; ASTM D638
Elongation at Break	10 %	50 mm/min; ASTM D638
Flexural Strength	53.9 MPa @Thickness 3.20 mm	ASTM D790
Flexural Modulus	20000 kg(f)/cm² @Thickness 3.20 mm	ASTM D790
Izod Impact, Notched	200 J/m @Thickness 3.20 mm	ASTM D256

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	77.0 °C	ASTM D648
Vicat Softening Point	102 °C	1kg load; 120°C/h; ASTM D1525
Flammability, UL94	HB @Thickness 1.60 mm

Optical Properties	Original Value	Comments
Haze	2.0 % @Thickness 1.00 mm
Transmission, Visible	82 % @Thickness 1.00 mm

Processing Properties	Original Value	Comments
Melt Temperature	<= 220 °C
Mold Temperature	40.0 - 50.0 °C

Compliance Properties	Original Value	Comments
FDA	Yes	See notes for details.

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PSUP28 / 69460

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