Polymer Name: Polybutylene Terephthalate (PBT)

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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Plastics & Elastomers Functions
Technologies

Features & Benefits

Materials Features

Applications & Uses

Plastics & Elastomers End Uses

Properties

Flame Rating
Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Strength at Yield (50 mm/min)55MPaISO 527
Tensile Strength at Break (50 mm/min)47MPaISO 527
Rockwell Hardness117Scale RASTM D 785
Tensile Modulus (50 mm/min)2300MPaASTM D 638
Tensile Strain at Break (50 mm/min)15%ISO 527
Flexural Strength (2 mm/min)74MPaISO 178
Flexural Modulus (2 mm/min)2100MPaISO 178
Charpy Impact Strength - V-notched (23°C, 4mm)4.9kJ/m2ISO 179 1eA
Notched Izod Impact Strength (23°C, 4 mm)4.5kJ/m2ISO 180 1A
Physical Properties
ValueUnitsTest Method / Conditions
Specific Gravity (Natural or representative color)1.3-ISO 1183
Melt Flow Index - MFI (250°C/2.16 kg)71g/10 minISO 1133
Thermal Properties
ValueUnitsTest Method / Conditions
Heat Deflection Temperature - HDT (0.45 MPa, Unannealed, 4 mm)124°CISO 75-2
Heat Deflection Temperature - HDT (1.8 MPa, Unannealed, 4 mm)59°CISO 75-2
Vicat Softening Temperature (B/50)194°CISO 306
Vicat Softening Temperature (B/120)185°CISO 306
Flammability
ValueUnitsTest Method / Conditions
Flammability (HB)0.7mmUL94

Regulatory & Compliance

Certifications & Compliance