HIPS
Full English name: High Impact Polystyrene
CAS No.: 9003-53-6
General properties:
Density: 1.05g/cm3
Melt: 150~180° C
Thermal decomposition: 300° C
Tensile strength: 33MPa
Rockwell Hardness M : M50
Tensile Modulus: 2.7GPa
Heat deflection temperature 18.6kg/cm3: 75-85° C
Vicat softening emperature: 97° C
HIPS 484H
Injection grade
Usage: Carton or case of audio-visual media, toys, household appliances, food containers
Properties: High toughness, easy processing, in line with the U. S. Food and Drug Administration requirements
The following table is the technical data for injection grade 484H:

Item		Test  Conditions(Status)]	Test  Method	Test  Data	Unit
Basic  Properties	Melt  Flow  Rate	200º C, 5Kg	ASTM  D-1238	3	g/10min
Physical  Properties	Mold  Shrinkage		ASTM  D-955	0.004-0.007	cm/cm
	Specific  Density		ASTM  D-792	1.04
Mechanical  Properties	Tensile  Strength  at  Yield		ASTM  D-638	22	MPa
	Bending  Strength		ASTM  D-790	46	MPa
	Bending  Modulus		ASTM  D-790	2034	MPa
	Tensile  Strength  at  Break		ASTM  D-638	22	MPa
	Notched  Izod  Impact  Strength	23º C	ASTM  D-256	101	J/m
	Elongation  at  Break		ASTM  D-638	50	%
Heat  Properties	Heat  Deflection  Temperature	1.82MPa, Unannealing		73	º C
	Heat  Deflection  Temperature	1.82MPa, Annealing	ASTM  D-648	95	º C
	Vicat  Softening  Point		ASTM  D-1525	101	º C
	Linear  thermal  expansion  coefficient			7.6	cm/cmº C