Hong Kong Petrochemical Co. Ltd

Typical Values

Typical Values [PDF]

Products - Typical Values

HK PETRO POLYSTYRENE - TYPICAL VALUES

Property	Test Method	Unit	General Purpose Polystyrene		High Impact Polystyrene
Property	Test Method	Unit	N1841H	N1841	SR600	PDR751	SRG100
Izod Impact Strength	ASTM D256	kgcm / cm	1.3	1.3	11.6	15	13
Tensile Strength	ASTM D638	N/mm²	45	45	29	26	23
Tensile Elongation	ASTM D638	%	1.8	1.8	65	65	58
Flexural Modulus	ASTM D790	N/mm²	3200	3200	1900	2100	2100
Flexural Strength	ASTM D790	N/mm²	80	80	48	43	52
Rookwell Hardness	ASTM D785		M80	M80	L72	L72	L72
Heat Deflection Temperature	ASTM D648	oC	84	84	90	89	90
Vicat Softening Temperature	ASTM D1525	oC	95	95	103	102	103
Flame Class	UL 94	Class	HB	HB	HB	HB	HB
Food Sanitation	FDA		Suitable	Suitable	Suitable	Suitable	Suitable
Melt Flow Index	ASTM D1238	g/10 min	10	10	3.2	3.5	3.5
Gloss	ASTM D523	%	-	-	-	-	98

* Product is expected to meet HB Flame Class requirement.

The data, information and suggestions are provided for
guidance purpose only and not to be construed as
guaranteed specifications. The Company accepts no
responsibility for the results obtained therefrom, as neither
for their utilization in infringement of possible patent rights.

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