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by SpecialChem

Ultradur® B 4300 G6 HR Unc.

Ultradur® B 4300 G6 HR Unc. is a medium viscosity, hydrolysis resistant, semi-crystalline, saturated, thermoplastic polyester derived from polybutylene terephthalate (PBT) reinforced with 30 % glass fiber. Exhibits good flow, toughness, high rigidity & strength, good dimensional stability under heat, good impact resistance, very high resistance to wear, thermostability, sliding friction properties, good insulation properties, good impact strength, low water absorption, good resistance to chemicals & weathering, and excellent heat ageing behavior. Can be processed using injection molding. Recommended for automotive connectors. It meets USCAR Class III requirements and is listed with TSCA, CA Prop. 65 and EPCRA 311/312.

Ultradur® B 4300 G6 HR Unc. Properties

Thermal Properties

Value & Unit

Test Condition

Test Method

Decomposition Temperature

> 300 °C

Melting Point

223 °C

ISO 3146

Injection Properties

Value & Unit

Test Condition

Test Method

Injection and Packing Pressure

35 - 125 bar

Back Pressure

< 10 bar

Drying Time

4 h

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Ultradur® B 4300 G6 HR Unc.

Ultradur® B 4300 G6 HR Unc. Properties

Thermal Properties

Ultradur® B 4300 G6 HR Unc. Processing Guidelines

Injection Properties