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Polymer Name: Polybutylene Terephthalate (PBT)

Fillers Included: Glass Fiber

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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Fillers Included
Plastics & Elastomers Functions
Technologies

Features & Benefits

Materials Features

Applications & Uses

Properties

Filler
Glass Fiber
Physical Properties
ValueUnitsTest Method / Conditions
Specific Gravity (Natural or representative color)1.45-ISO 1183
Melt Flow Index - MFI (250°C/5 kg)30g/10 minISO 1133
Molding Shrinkage - MD (Flow at 2mm)0.1 - 0.4%ISO 294-4
Molding Shrinkage - TD (Cross-Flow at 2mm)0.2 - 0.5%ISO 294-4
Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Strength at Yield (50 mm/min)110MPaISO 527
Tensile Strength at Break (50 mm/min)105MPaISO 527
Rockwell Hardness117Scale RASTM D 785
Tensile Modulus (50 mm/min)7000MPaISO 527
Tensile Strain at Break (50 mm/min)5%ISO 527
Flexural Strength (2 mm/min)170MPaISO 178
Flexural Modulus (2 mm/min)7800MPaISO 178
Charpy Impact Strength - V-notched (23°C, 4mm)8kJ/m2ISO 179 1eA
Notched Izod Impact Strength (23°C, 4 mm)8kJ/m2ISO 180 1A
Thermal Properties
ValueUnitsTest Method / Conditions
Heat Deflection Temperature - HDT (1.8 MPa, Unannealed, 4 mm)180°CISO 75-2
Additional Information
ValueUnitsTest Method / Conditions
Ash Content30%ASTM D4218