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Supreme Petrochem SP 256 Toughened Polystyrene

Category Polymer , Thermoplastic , Polystyrene (PS) , Polystyrene, Impact Modified
Manufacturer Supreme Petrochem LTD
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Supreme Petrochem SP 256 Toughened Polystyrene.pdf
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Material Notes:
Characteristics Superior flexibility Good ball drop strength Excellent clarity Easy flow Processing Injection moldingApplications Transparent hangers Stationery items like pen barrels, geometric instruments Medical products Appliance parts Toys and fashion accessories Caps for spray cansMaterial Status: Commercial : ActiveAgency Ratings: FDA 21 CFR 177.1640Information provided by Supreme Petrochem LTD
Physical Properties Metric English Comments
Specific Gravity 1.02 g/cc
1.02 g/cc
ASTM D792
Melt Flow 10 g/10 min

@Load 5.00 kg,
Temperature 200 °C
 10 g/10 min

@Load 11.0 lb,
Temperature 392 °F
 ASTM D1238
Mechanical Properties Metric English Comments
Tensile Strength at Break 34.3 MPa
4970 psi
50 mm/min; ASTM D638
Elongation at Break 10 %
10 %
50 mm/min; ASTM D638
Flexural Strength 46.1 MPa

@Thickness 3.20 mm
 6690 psi

@Thickness 0.126 in
 ASTM D790
Flexural Modulus 1.72 GPa

@Thickness 3.20 mm
 249 ksi

@Thickness 0.126 in
 ASTM D790
Izod Impact, Notched 2.75 J/cm

@Thickness 3.20 mm
 5.15 ft-lb/in

@Thickness 0.126 in
 ASTM D256
Izod Impact, Unnotched 2.75 J/cm

@Thickness 3.20 mm
 5.15 ft-lb/in

@Thickness 0.126 in
 ASTM D256
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) 71.0 °C
160 °F
ASTM D648
Vicat Softening Point 98.0 °C
208 °F
1kg / 120°C; ASTM D1525
Flammability, UL94 HB

@Thickness 1.60 mm
 HB

@Thickness 0.0630 in
Optical Properties Metric English Comments
Haze 1.0 %

@Thickness 1.00 mm
 1.0 %

@Thickness 0.0394 in
 SPL test method
Transmission, Visible 88 %

@Thickness 1.00 mm
 88 %

@Thickness 0.0394 in
 SPL test method
Processing Properties Metric English Comments
Melt Temperature <= 220 °C
<= 428 °F
Mold Temperature 40.0 - 50.0 °C
104 - 122 °F
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