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GPPS 25SP(I)

Technical Datasheet | Supplied by LG Chem

GPPS 25SP(I) is a general purpose polystyrene grade by LG Chem. Exhibits excellent transparency, high heat resistance, water resistance, colorability, workability and electric characteristics. GPPS 25SP(I) is suitable for processing by injection molding. Used in food containers, merchandises, artificial woods, cassette tape cases, PSP, sheets and films. Complies with UL 94 HB flame rating.

GPPS 25SP(I) Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Linear Mold Shrinkage, Flow

0.4 - 0.8 %

(3.2 mm)

ASTM D955

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

47 g/10 min

(220°C/10 kg)

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

4 g/10 min

(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

Processing (Melt) Temperature

190 - 220 °C

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GPPS 25SP(I)

GPPS 25SP(I) Properties

Physical Properties

GPPS 25SP(I) Processing Guidelines

Injection Molding Properties