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GPPS 25SPE

Technical Datasheet | Supplied by LG Chem

GPPS 25SPE is a general-purpose polystyrene grade by LG Chem. Exhibits excellent transparency, high heat resistance, water resistance, colorability, workability and electric characteristics. GPPS 25SPE is suitable for processing by injection molding. It can be used in food trays, PSP, electrical and electronic applications. Complies with UL 94 HB flame rating.

GPPS 25SPE Properties

Physical Properties

Value & Unit

Test Condition

Test Method

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

39 g/10 min

(At 220°C, 10 kg)

Linear Mold Shrinkage, Flow

0.4 - 0.8 %

(At 3.2 mm)

ASTM D955

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

3 g/10 min

(At 200°C, 5 kg)

ASTM D1238(G)

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Drying Temperature

80 °C

Drying Time

2 - 4 hr

Melt Temperature

190 - 220 °C

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GPPS 25SPE

GPPS 25SPE Properties

Physical Properties

GPPS 25SPE Processing Guidelines

Injection Molding Properties