GPPS Resin, General Purpose Polystyrene

CAS No.: 9003-53-6
Material: General Purpose Polystyrene/GPPS
Usage: General Plastics
Plastic Properties After Heated: Thermoplastic Plastics
Plastic Forming Method: Film Pressure
Color: White
Samples:
US$ 2/Bag 1 Bag(Min.Order)
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Basic Info.

Molecular Formula
(C8h8)N
Expandability
90%
CAS No
9003-53-6
Bead Size
1.0
Transport Package
25kg/PP Bag and Craft Paer Bag
Origin
China
HS Code
3903199000
Production Capacity
5000ton/Month

Product Description

Introduction of GPPS:

polystyrene gpps plastic granules for free sample , is a colorless, odorless, tasteless, shiny, transparent beaded or granular solid. Density is 1.04 to 1.09, transparency is 88% to 92%, refractive index is 1.59 to 1.60. In the stress function, resulting in birefringence, the so-called stress - optical effect. Product of the melting temperature is 150 to 180 ° C, thermal decomposition temperature is 300 ° C, the heat distortion temperature is 70 to 100 ° C, long-term use temperature is 60 ~ 80 °C.

Specifications of GPPS: 
1.Good transparency 
2.Low residual monomer 
3.Mold dimension stability 
4.Good heat resistance 
5.Easy Processing 
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 7.3 g/10min
Process shrinkage   ISO 294 0.4-0.7 %
Charpy impact strength  1eU ISO 179:1993 15 kj/m2
Tensile modulus 1mm/min ISO 527 3300 MPa
Elongation  50mm/min ISO 527 3 %
Tensile strength at break 50mm/min ISO 527 55 MPa
Ball indentation hardness H 358N/30s ISO 2039 150 N/mm2
Bending strength 2mm/min ISO 178 100 MPa
HDT 1.82MPa ISO 75-2 80 °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 B10/oil ISO 306 93 °C
Flame retardance >1.4mm UL-Standard 94 94HB Class
 
Physical properties of GPPS:
GPPS is colourless, odourless, tasteless and shiny, transparent particles. Qualitative light, cheap, low waterabsorption, good color, good dimensional stability, electrical products, transparent, easy processing.
Applications of GPPS: 
1.GPPS can be used for daily necessities, electrical, instrument shell, toys, lamps, household appliances, stationery, cosmetics containers, indoor.
2.Also can be used in outdoor decoration, fruit tray, optical components, such as prism, lens) lens window glass and molding, headlights, telecom accessories, electric frequency capacitor films,
3. Food packaging.

 

 

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