Tetron HG & High Glass Filled PTFE


Tetron HG Product Description

TETRON HG is the trade name for high percentage glass-filled polytetrafluoroethylene (PTFE). Glass fibre is the most commonly used filler, resulting in a lowered deformation under load at both high and low temperatures. Wear behaviour is also improved.



  • Avoid use with Hydrofluoric Acid (HF) and strong alkalis.
  • The glass fibre used is E-glass milled fibre, nominal diameter 13 microns to ensure even dispersion and optimum properties.
  • TETRON HG mouldings have a homogeneous and dense structure. The surface is smooth with a white to light grey appearance.

 

Tetron HG Applications:

  • Piston rings
  • Valve seats
  • Shaft seals
  • Electrical insulators
  • Bearing pads


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Tetron HG & High Glass Filled PTFE


Physical Properties:

Specific Gravity: g/cm³ 2.27
Max Continuous Operating Temp: °C 260
Max Short Term Operating Temp (3-4hrs): °C 310
Tensile Strength: Mpa 11.7
Hardness: Rockwell M 65
Co-efficient of thermal expansion: m/(m.k) x 10¯6 136
Flammability Oxygen Index: % 530
Food Grade: FDA Yes