Favourable Plastic Machinery, General Purpose Polystyrene, GPPS

Product Specifications

Prod Model:	High transparent material
Markets:	North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Name:	GPPS
Material:	General Purpose Polystyrene/GPPS
Usage:	Specialty Plastics
Color:	Colourless

Product Description

Application

1. Food packaging.
2. Electrical industrial, instrumentation, communications equipment industry and other various instruments has been widely used as a shell, lamp, optical parts, equipment parts, transparent windows mirror, transparent model, acid, chemical storage tank, acid tank transport, telecommunications components, high frequency capacitors, high frequency insulation pads, brackets, inserts and frozen insulating materials.
3. All kinds of daily necessities, such as Plastic Cutlery, Toys.


Storage
It should avoid damp, contaminated and direct sun light during transport. And should be stored in ventilated and dry place. Do not put it with flammable and corrosive substances together, and away from the fire

Item	Test conditions	Test method	Test data	unit
Density		ISO 1183:1987	1040	kg/m3
Water absorption		ISO 62:1999	<0.1	%
Melt flow rate	200°C/5kg	ISO 1133:1997	3.8	cm3/10min
Process shrinkage		ISO 294-4:1997	0.4-0.6	%
Charpy impact strength	1eU	ISO 179:1993	15	kj/m2
Tensile modulus	1mm/min	ISO 527-2:1993	3300	MPa
Elongation	50mm/min	ISO 527-2:1993	3	%
Tensile strength at break	50mm/min	ISO 527-2:1993	55	MPa
Ball indentation hardness H	358N/30s	ISO 2039-1:1993	150	N/mm2
Bending strength	2mm/min	ISO 178:1993	100	MPa
HDT	1.8MPa	ISO 75-2:1993	84	°C
Linear coefficient of thermal expansion	(23-80)°C	DIN 53 752	0.8-1.0	K-1
Heat conduction		DIN 52 612	0.16	W/mK
Vicat softening point	B50/oil	ISO 306:1994	93	°C
Flame retardance	>1.4mm	UL-Standard 94	94HB	Class