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Plastics & Elastomers
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Plastics & Elastomers
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HI 450PG

Technical Datasheet | Supplied by Kumho Petrochemical
HI 450PG by Kumho Petrochemical is a high gloss, high impact polystyrene (HIPS) grade. Offers high impact strength, good electrical properties, good water resistance, and good dimensional stability without toxicity. Is suitable for processing by injection molding. HI 450PG is recommended for toys, PC swivel, washing machine cover, leisure table, and office equipment. It complies with the US FDA, EU food hygiene standards, RoHS and UL 94 HB flame rating.
Product Type
PS or GPPS (Polystyrene) > HIPS
Physical Form
Product Status

HI 450PG Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)
4.5 g/10 min
(200°C, 5 kg)
ASTM D1238
Water Absorption
0.03 %
( )
1.03 g/cm³
( )

HI 450PG Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Nozzle Temperature
190 - 220 °C
Front Temperature
190 - 210 °C
Middle Temperature
180 - 200 °C
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