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Goyenchem-GPPS21

Technical Datasheet | Supplied by Go Yen Chemical Industrial Company

Goyenchem-GPPS21 by Go Yen Chemical Industrial Company is a general purpose polystyrene (GPPS) compound with a low residual monomer. Exhibits mold dimensional stability, excellent transparency, easy processability and good heat resistance. Designed for processing by injection molding. Goyenchem-GPPS21 is used as bi-oriented polystyrene (OPS) for take out containers.

Goyenchem-GPPS21 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)

1.9 g/10 min

(200°C, 5 kg Load)

ASTM D1238

Residual SM monomer

200 ppm

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Cylinder Temperature

160 - 300 °C

Injection Pressure

500 - 1400 kgf/cm²

Mold Temperature

35 - 65 °C

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Goyenchem-GPPS21

Goyenchem-GPPS21 Properties

Physical Properties

Goyenchem-GPPS21 Processing Guidelines

Injection Molding Properties