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by SpecialChem

4DUR® 9K20500

4DUR® 9K20500 by 4Plas is a heat stabilized, semi-crystalline polybutylene terephthalate (PBT) grade. Exhibits standard flow, excellent stiffness, hardness, good mechanical strength, good creep and fatigue behavior, and very good thermal stability. Offers good electrical properties, high wear resistance, low friction, good dimensional stability, very good chemical resistance, low moisture absorption, very good surface finish and good processing properties. 4DUR® 9K20500 is insoluble in water and suitable for processing by injection molding. Complies with flame rating UL 94 HB.

4DUR® 9K20500 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.31 g/cm³

(At 23°C)

ISO 1183

Water Absorption

0.2 %

(At 23°C, 24 hr - 50% RH)

ISO 62

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Drying Time

2 - 4 hr

Hold Pressure

40 - 80 MPa

Drying Temperature

120 °C

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4DUR® 9K20500

4DUR® 9K20500 Properties

Physical Properties

4DUR® 9K20500 Processing Guidelines

Injection Molding Properties