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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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4DUR® 9K20500

Technical Datasheet | Supplied by 4Plas
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.
Product Type
Polyester > PBT
Physical Form
Colors available

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

4DUR® 9K20500 Processing Guidelines

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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