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TKG® ET (PET) is a relatively new semi-crystalline polymer created for technical uses. It is suitable for mechanical parts that require dimensional stability and a low coefficient of friction.

Polymer Name: Polyethylene Terephthalate (PET)

Physical Form: Bars, Plates

Features: Bondability, Chemical Resistant, Excellent Stiffness, Excellent Toughness, Good Sliding Properties, High Strength, Wear Resistant, Weldable

Density: 1390.0 - 1390.0 kg/m³

Color: Opaque, White

Technical Data Sheet
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Identification & Functionality

Technologies

Features & Benefits

Product Highlights

Since it has very good dimensional stability and low moisture absorption, PET is an ideal material for the manufacture of parts that require high dimensional precision and a fine final finish. In addition to normal PET, we manufacture different grades of Polyethylene Terephthalate, either loaded with solid lubricant or with dyes.

Main Characteristics
  • Material valid for contact with food.
  • Low thermal expansion and low moisture absorption.
  • Excellent mechanical resistance and rigidity.
  • Excellent dimensional stability.
  • Great stiffness
  • Great toughness
  • Good chemical resistance, weldable and bondable
  • Good slide and wear resistance
  • High strength

Applications & Uses

Industry Applications
  • Automotive industry
  • Conveyor technology
  • Electrical and precision engineering
  • Mechanical engineering
  • Medical industry

Properties

Flame Rating
Physical Form
Mechanical Properties
ValueUnitsTest Method / Conditions
Modulus of Elasticity (1 mm/min)3300.0MPaDIN EN ISO 527-2
Tensile strength (50 mm/min)91.0MPaDIN EN ISO 527-2
Tensile Strength at Yield (50 mm/min)91.0MPaDIN EN ISO 527-2
Elongation At Yield (50 mm/min)4.0%DIN EN ISO 527-2
Elongation at Break (50 mm/min)14.0%DIN EN ISO 527-2
Flexural Strength (2 mm/min , 10 N)134.0MPaDIN EN ISO 178
Modulus Of Elasticity (Flex Test, 2 mm/min , 10 N)3400.0MPaDIN EN ISO 178
Compression Strength (1%, 5 mm/min , 10 N)21.0MPaEN ISO 604
Compression Strength (2%, 5 mm/min , 10 N)38.0MPaEN ISO 604
Compression Modulus (5 mm/min , 10 N)2800.0MPaEN ISO 604
Impact Strength (Charpy, max. 7.5j)150.0Kj/m²DIN EN ISO 179-1EU
Ball Indentation Hardness194.0MPaISO 2039-1
Thermal Properties
ValueUnitsTest Method / Conditions
Glass Transition Temperature81.0ºCDIN 53765
Melting Temperature244.0ºCDIN 53765
Service Temperature (Short term)170.0ºC-
Service Temperature (Long term)110.0ºC-
Thermal Expansion (23 - 60 ºC long)8.010⁻⁵ K⁻¹DIN EN ISO 11359-1;2
Thermal Expansion (23 - 100ºC long)10.010⁻⁵ K⁻¹DIN EN ISO 11359-1;2
Typical Properties
ValueUnitsTest Method / Conditions
Density1.39g/cm³-
Electrical Properties
ValueUnitsTest Method / Conditions
Surface Resistance10¹⁴DIN IEC 60093
Miscellaneous Properties
ValueUnitsTest Method / Conditions
Water Absorption (24h, 23ºC)0.02%DIN EN ISO 62
Water Absorption (96h, 23ºC)0.03%DIN EN ISO 62
Flammability (UL94)HB-DIN IEC 60995-11-10

Regulatory & Compliance

Certifications & Compliance

Packaging & Availability

Availability

Bars and plates.