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 Industry
Info |
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Supreme
Petrochem Limited |
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CRYSTAL
POLYSTYRENE (GPPS) |
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Product
Description and Applications |
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SUPREME Polystyrene produced by Supreme Petrochem
Ltd. under the technical collaboration of huntsman Chemical Corp. and ABB
Lummus Crest of USA, have following typical Properties |
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Typical properties |
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Property |
Grade
& Typical Values |
ASTM Test Method |
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SC210E |
SC201LV |
SC202EL |
SC202LV |
SC203EL |
SC205 |
SC206 |
SC208 |
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Rheological |
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| Melt Flow
(200/5)g/10 min |
1.8 |
2.5 |
4.0 |
4.0 |
8.0 |
9.0 |
11.5 |
20.0 |
D1238 |
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Thermal |
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| Vicat Softening
point (C), min |
105 |
98 |
103 |
98 |
100 |
103 |
101 |
96 |
D1525 |
HDT
(18.564kg/cm2,c)
min |
88 |
80 |
87 |
80 |
83 |
85 |
83 |
78 |
D648 |
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Mechanical |
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Tensile Strength
(kg/cm2),min |
500 |
500 |
500 |
500 |
470 |
480 |
450 |
400 |
D638 |
| Elongation(%) |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
5 |
D638 |
Flexural
Modulas
(kg/cm2*1000) |
29 |
28 |
29 |
32 |
28 |
29 |
29 |
27 |
D790 |
Flexural
Strength
(kg/cm2) |
680 |
600 |
680 |
640 |
600 |
600 |
600 |
530 |
D790 |
IZOD
Impact-Injection
Moulding (J/m) |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
20 |
D256 |
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General |
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| Specific Gravity |
1.05 |
1.05 |
1.05 |
1.05 |
1.05 |
1.05 |
1.05 |
1.05 |
D792 |
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Typical Application
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| SC201E |
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High heat, very high molecular
weight GPPS with good flow and excellent clarity. Applications include
embossed sheet, foam meat trays & other food packaging items in
blends with HIPS for coffee cups/lids etc. |
| SC201LV |
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High heat, very high molecular
weight GPPS with good flow and excellent clarity. Applications include
embossed sheet, ball pen barrel & refrigerator components like
crisper trays and other large moldings. |
| SC202EL |
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High heat, high molecular
weight GPPS with excellent flow and clarity. Applications include CD
jewel boxes, audio cassettes for increased productivity, medical
disposables. SC202 E is available for applications like embossed
sheet, blow molded bottles, foam polystyrene etc. |
| SC202LV |
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High strength GPPS with
excellent flow and clarity. Applications include crisper trays and other
refrigerator components SC202 LVLT with water clear transparency
can be made available. |
| SC203EL |
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Medium flow GPPS with
excellent clarity. Applications include audio cassettes, cutlery,
medical disposables, household items & novelties etc. SC203 E is
available for extrusion coating applications. |
| SC205 |
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Medium flow, high strength
GPPS, for audio cassettes application. SC205 U is available on
request. |
| SC206 |
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High flow GPPS with excellent
clarity. Applications include disposable medical parts, crystal-ware,
beads, bangles, general packaging, thin wall cups, etc. SC206 HT with extra blue tone can be made available. |
| SC208 |
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Very high flow GPPS with
excellent clarity. Applications include hand injection molding parts
like toys, extrusion coating, base resin for colour masterbatches etc. |
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