by SpecialChem

POLYREX® PG-33

Technical Datasheet | Supplied by Chi Mei

POLYREX® PG-33 by Chi Mei is a general-purpose polystyrene (PS) grade. It is a bright and lightweight grade. It is designed for injection molding method. It is recommended for lampshades, transparent food containers, cassette tape cases and general groceries. It complies with PFOA, PFOS, RoHS and flame rating UL 94 HB.

POLYREX® PG-33 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.05 g/cm³

ISO 1183

Linear Mold Shrinkage

0.4 - 0.7 %

ISO 294-4

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

8.5 ml/10 min

ISO 1133

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Mold Temperature

40 - 70 °C

Pre-Drying Temperature

80 °C

Want to list or
update your products?

View the listing options

Want to report errors or
suggest improvements?

Send a Feedback

Products with the same brand name

View more (10)

POLYREX® PG-33

POLYREX® PG-33 Properties

Physical Properties

POLYREX® PG-33 Processing Guidelines

Injection Molding Properties