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Supreme Petrochem Limited

SPECIALITY POLYSTYRENE

Product Description and Applications

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

Typical properties

Property Grade & Typical Values ASTM Test Method
SH3001 SH3001M SH731E SH731M SH825

Rheological

           
Melt Flow (200/5)g/10 min 5.5 5.5 4.0 3.0 4.0 D1238

Thermal

           
Vicat Softening point (C), min 100 100 97 102 100 D1525
HDT
(18.564kg/cm2,c) 
min
82 82 78 84 81 D648

Mechanical

           
Tensile Strength 
(kg/cm2),min
280 280 190 290 300 D638
Elongation(%) 50 50 50 50 20 D638
Flexural Modulas 
(kg/cm2*1000)
20 20 14 17 18 D790
Flexural Strength 
(kg/cm2)
400 400 270 380 380 D790
IZOD 
Impact-Injection 
Moulding (J/m)
50 70 130 200 70 D256

General

           
Specific Gravity 1.05 1.05 1.05 1.05 1.17 D792

Typical Application

SH400 : High gloss grade designed for molded toys & novelties.
SH400M :

High gloss grade designed to replace ABS in low end applications like office accessories, camera, toys, appliances housing, air conditioner grill, household articles, ball pen barrel, table top of refrigerator etc.

SH2157 :

ESCR grade HIPS with superior resistance against chemicals blowing agents like Feron, HCFC 141b and Cyclopentane. Applications include refrigerator door/cabinet liners, dairy containers etc.

SH850 :

Super high impact polystyrene. Applications include luggage cases, cosmetic boxes, caps for pill vials, shoe heels, toys, blending with crystal polystyrene for clear thermoformed cups, lids etc.

SH850IR :

Ignition resistance HIPS. Applications include TV Cabinet, electrical switch boards etc. Meets ULVO rating for flammability.