Extrusion Molded Products

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TPS® PBT

<Polybutyleneterephthalate>

High Toughness, High Rigidity and Superior Resistance to Heat Aging

PBT is the newest crystalline plastic among engineering plastics, and has high toughness and rigidity, as well as superior resistance to heat aging (it maintains good mechanical properties even under high temperatures).
PBT also has good electrical properties under a broad range of temperatures. It has low water absorption, excellent climate and chemical resistance, and is well-balanced.

Uses

  • Electric/electronic devices components
  • Automobile components

Characteristics

  • PBT can be used continuously at 120 to 140°C.
  • PBT has good electrical properties.
  • PBT has stable dimension changes due to low water absorption.

Grade List

Grade Characteristics
PBT(NC) Standard grade
PBT(G30NC) Fiberglass reinforced grade

* Refer to the Products Catalogue on page 42 for product specifications.

Properties Data

Category Property Unit Test Method ISO TPS® PBT
NC G30
Mechanical properties Tensile strength MPa 527-1,2 53 135
Tensile elasticity % 108.0 3.0
Bending strength MPa 178 - -
Bending elasticity GPa 2.44 -
Poisson’s ratio - - 0.35 -
Charpy impact strength (notched) KJ/m2 179/1eA 3.9 -
Rockwell hardness - - - -
Physical properties Density (23°C) g/cm3 1183 1.31 1.53
Water absorption (23°C, 24 Hrs) % - - 0.15
Linear expansion coefficient ×10-5
/°C
11359-2 - 2~3
Flammability (UL) - UL94 HB Equivarent HB Equivarent
Thermal properties Deflection temperature under load (1.82 MPa) °C 75-1,2 59 210
Continuous use temperature °C - - 110
Glass transition temperature °C - 35 60
Melting point °C - 223 225
Electrical properties Dielectric strength (3mm) kV/mm IEC60243-1 - 50.0
Surface resistance Ω IEC60093 - 1015
Volume resistance Ω・cm - -
Permittivity 106Hz - IEC60250 - 3.8
Dielectric tangent 106Hz - IEC60250 - 0.009
Certified per the Food Sanitation Act - -
  • * The values given above for the properties are representative values given by the manufacturers of the raw materials, and are not guaranteed values for the product.
  • * The cells with no values given (-) indicate that useful data is not available or cannot be obtained at this time.

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