Petrochemical - General Information

General Purpose Polystyrene | High Impact Polystyrene | Speciality Polystyrene | Modified Polystyrene

Density
Density of all SC grades (GPPS) is 1.04 g/cc and SH grades (HIPS) is 1.03 g/cc.

Mould Shrinkage
Shrinkage of Supreme polystyrene is in the range of 0.4 – 0.7%.

Food contact
All Supreme grades comply with FDA 21CFR 177.1640 and other European regulations for food contact applications. It remains the responsibility of the user to verify that the finished product also conforms with these regulations.

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Grades	Typical Property Values
	MFI	VSP	HDT	Tensile Strength	Elongation	Flexural Modulus	Flexural Strength	Izod Impact	Fire Rating
ASTM	D1238	D1525	D648	D638	D638	D790	D790	D256	UL94
Conditions	200/5	1kg.	1.86 MPa	50 mm/min	50 mm/min	3.2 mm	3.2 mm	Notched	1.6 mm
Units	gm/10min	°C	°C	MPa	%	MPa	MPa	J/m	E185934
GPPS
SC202EL	4.5	103	85	50	2	2900	83	19	-
SC202LV	4.5	97	79	48	2	2900	80	20	HB
SC203EL	8.0	101	82	49	2	2900	82	20	HB
SC203LV	9.0	96	78	47	2	2900	78	20	-
SC206	12.0	100	81	48	2	3100	76	20	-
SC208	20.0	96	78	44	2	3000	73	18	-
HIPS
SH731	4.5	102	82	29	50	1900	44	110	HB
SH825	7.5	100	77	24	45	2250	45	85	-
SH03	10.0	97	76	22	50	1800	37	100	HB
Speciality
SC201E	1.5	106	87	53	2.5	3000	99	18	-
SC201LV	2.5	96	78	49	2	2700	82	20	-
SH2114	2.2	105	83	30	50	1850	50	120	-
SH400M	4.0	99	79	29	20	2000	45	85	-
SH2157	4.0	98	76	20	50	1500	35	110	HB