Supreme Petrochem SH 2157 High Impact Polystyrene

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Supreme Petrochem SH 2157 High Impact Polystyrene
Categories:	Polymer; Thermoplastic; Polystyrene (PS); Polystyrene, Impact Modified
Material Notes:	Characteristics Excellent ESCR properties Good formability Processing Extrusion Applications Refrigerator door and cabinet liners Dairy containers Ice cream cups, plates and bowls Material Status: Commercial : Active Agency Ratings: FDA 21 CFR 177.1640, UL file E185934 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	4.0 g/10 min @Load 5.00 kg, Temperature 200 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Tensile Strength at Break	19.6 MPa	50 mm/min; ASTM D638
Elongation at Break	50 %	50 mm/min; ASTM D638
Flexural Strength	34.3 MPa @Thickness 3.20 mm	ASTM D790
Flexural Modulus	15000 kg(f)/cm² @Thickness 3.20 mm	ASTM D790
Izod Impact, Notched	110 J/m @Thickness 3.20 mm	ASTM D256

Thermal Properties	Original Value	Comments
Deflection Temperature at 1.8 MPa (264 psi)	76.0 °C	ASTM D648
Vicat Softening Point	98.0 °C	1kg load; 120°C/h; ASTM D1525
Flammability, UL94	HB @Thickness 1.60 mm

Processing Properties	Original Value	Comments
Melt Temperature	180 - 260 °C
Mold Temperature	40.0 - 60.0 °C

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

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PSUP12 / 69444

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