GPPS POLYSTYRENE
Polystyrene (General Purpose) Gpps
General purpose polystyrene (GPPS) is one of the most widely used kinds of plastic that has excellent transparency, high stiffness and excellent moldability (injection, extrusion, foam molding, etc.).
Applications
GPPS is used for disposable cups, case for a lunch box and a household dish, confectionary tray, rigid packaging, CD cases, Toys, container for a seasoning, refrigerator trays, various films, lighting diffusers etc.
Features Of Gpps For Conventional Grades
- Moldings of excellent transparency and beautiful color and appearance
- Excellent processability with high production efficiency
- Superior electrical and mechanical properties
Physical Properties
Tensile Strength 2.30 - 3.60 N/Mm²
Notched Impact Strength 2.0 - 2.5 Kj/M²
Thermal Coefficient Of Expansion 80 X 10-6
Max Cont Use Temp 70 - 85 Oc
Density 1.05 G/Cm3
Resistance To Chemicals
Dilute Acid *** Variable
Dilute Alkalis ****
Oils And Greases *** Variable
Aliphatic Hydrocarbons ****
Aromatic Hydrocarbons *
Halogenated Hydrocarbons *
Alcohols ** Variable