Supreme Petrochem SP 256 Toughened Polystyrene

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Supreme Petrochem SP 256 Toughened Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	Characteristics Superior flexibility Good ball drop strength Excellent clarity Easy flow Processing Injection molding Applications Transparent hangers Stationery items like pen barrels, geometric instruments Medical products Appliance parts Toys and fashion accessories Caps for spray cans 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	1.02 g/cc	ASTM D792
Melt Flow	10 g/10 min @Load 5.00 kg, Temperature 200 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	34.3 MPa	50 mm/min; ASTM D638
Elongation at Break	10 %	50 mm/min; ASTM D638
Flexural Strength	46.1 MPa @Thickness 3.20 mm	ASTM D790
Flexural Modulus	17500 kg(f)/cm² @Thickness 3.20 mm	ASTM D790
Izod Impact, Notched	275 J/m @Thickness 3.20 mm	ASTM D256
Izod Impact, Unnotched	2.75 J/cm @Thickness 3.20 mm	ASTM D256

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	71.0 °C	ASTM D648
Vicat Softening Point	98.0 °C	1kg load; 120°C/h; ASTM D1525
Flammability, UL94	HB @Thickness 1.60 mm

Optical Properties	Original Value	Comments
Haze	1.0 % @Thickness 1.00 mm	SPL test method
Transmission, Visible	88 % @Thickness 1.00 mm	SPL test method

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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PSUP29 / 69461

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