PolyTetraFluoroEthylene (PTFE) - Teflon Felt
PolyTetraFluoroEthylene (PTFE) felt is an inert felt with excellent hydrophobic properties and resistance to chemical attacks with a 260°C maximum service temperature.
PTFE felt is designed to easily handle extreme conditions like high acid gas concentrations (HCL, H2SO4), high humidity, and chemically operative conditions.
However PTFE is very expensive material, should only be used when everything else fails.
It has very poor abrasion resistance hence a minimum of 20-vertical wire supported cage is recommended.
PTFE Felt with PTFE membrane lamination is also available to enhance filtration efficiency and to reduce differential pressure.
Mechanical and Textile Properties-
Tensile Strength- Good
Abrasion Resistance- Good
Acid Resistance- Excellent
Alkali Resistance- Excellent
Hydrolysis- Excellent
Max Continuous Temperature- 260 Deg C
Applications
Medical, municipal, industrial, sewage sludge, biomass, and hospital waste incineration
Chemicals Processing: Dryer gas filtration under chemically or thermally demanding conditions.
Titanium Oxide Production
Slica Production
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