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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

Plastics & Elastomers End Uses

Properties

Filler
Glass Fiber
Physical Properties
ValueUnitsTest Method / Conditions
Specific Gravity (Natural or representative color)1.61-ISO 1183
Melt Flow Index - MFI (250°C/2.16 kg)10g/10 minASTM D 1238
Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Strength at Yield (50 mm/min)160MPaISO 527
Tensile Strength at Break (50 mm/min)160MPaISO 527
Rockwell Hardness115Scale RASTM D785
Tensile Modulus (50 mm/min)9000MPaISO 527
Tensile Strain at Break (50 mm/min)3.9%ISO 527
Flexural Strength (2 mm/min)220MPaISO 178
Flexural Modulus (2 mm/min)10000MPaISO 178
Charpy Impact Strength - V-notched (23°C, 4mm)11kJ/m2ISO 179 1eA
Notched Izod Impact Strength (23°C, 4 mm)12kJ/m2ISO 180 1A
Thermal Properties
ValueUnitsTest Method / Conditions
Heat Deflection Temperature - HDT (1.8 MPa, Unannealed, 4 mm)207°CISO 75-2
Heat Deflection Temperature - HDT (0.45 MPa, Unannealed, 4 mm)222°CISO 75-2
Heat Deflection Temperature - HDT (1.8 MPa, Annealed, 4 mm)207°CISO 75-2