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by SpecialChem

Ultradur® B 4300 G4 FC

Ultradur® B 4300 G4 FC is an easy flowing, medium viscosity, semi-crystalline, saturated, thermoplastic polyester derived from polybutylene terephthalate (PBT) reinforced with 20 % glass fiber. Exhibits 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 products suitable for use in food contact applications. It is listed with TSCA and EPCRA 311/312.

Ultradur® B 4300 G4 FC Properties

Thermal Properties

Value & Unit

Test Condition

Test Method

Heat Deflection Temperature (HDT)

220 °C

(At 0.45 MPa)

ISO 75

CTE, Linear, Parallel to Flow

0.35 x 10^-4 mm/mm-°C

ISO 11359-1,-2

Decomposition Temperature

> 290 °C

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Mold Temperature

60 - 100 °C

Drying Temperature

100 - 120 °C

Melt Temperature

250 - 270 °C

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Ultradur® B 4300 G4 FC

Ultradur® B 4300 G4 FC Properties

Thermal Properties

Ultradur® B 4300 G4 FC Processing Guidelines

Injection Molding Properties