Properties & Grades of Filled PTFE

Hindustan Nylons

PTFE is available in many different Grades as Virgin PTFE, Chemically Modified PTFE, Carbon Filled PTFE, Glass Filed PTFE, Carbon / Coke Filled PTFE, Graphite Filled PTFE, Bronze Filled PTFE, Bronze + Molybdenum Disulphide Filled PTFE, Aluminum Oxide Filled PTFE, Calcium Fluoride Filled PTFE, Stainless Steel Filled PTFE, Mica Filled PTFE, Glass + MoS2 Filled PTFE, MoS2 Filled PTFE, Chemically Modified PTFE etc.

The Filled grades of PTFE can be compounded & customized for specific service conditions & applications. Filled PTFE grades have specific properties improvement based on filler, type of filler & percentage of filler.

Sr.No. Grade Filler Content by Weight(%) Standard Series Properties
1 Virgin PTFE - Yes
  • Hygienic
  • Excellent Chemical Resistance
  • Outstanding electrical properties
2 Chemically Modified PTFE - Yes
  • Less Creep.
  • Improved Permeation Resistance
  • Smoother Surface
  • Less Porous
  • Better High Voltage Insulation
  • New Fabricating Versatility with welding
3 Pigmented PTFE - No
  • Improved Visibility
4 Glass filled PTFE 15 - 25 Yes
  • High compressive strength
  • Excellent chemical resistance
  • Improved wear resistance under load & permanent deformation
5 Carbon / Coke filled PTFE (soft amorphous carbon hard fiber) 25 - 35 Yes
  • High compressive strength
  • Improved wear resistance under load & permanent deformation
  • Better thermal / electrical conductivity
6 Graphite filled PTFE(pure crystalline carbon) 15 Yes
  • High compressive strength
  • Improved wear resistance under load & permanent deformation
  • Better thermal / electrical conductivity.
  • Good chemical resistance
  • Improved frictional properties
7 Carbon + Graphite + Glass Filled 12 + 3 + 10 Yes
  • High compressive strength
  • Improved wear resistance under load & permanent deformation
  • Better thermal / electrical conductivity.
8 Bronze filled PTFE(oxidising /Non oxidising) 40 - 60 Yes
  • High compressive strength
  • Excellent wear resistance improved under load & permanent deformation
  • Better thermal / electrical conductivity.
  • Good chemical resistance
  • Very low cold flow
9 Bronze plus, Molybdenum Disulphide filled PTFE 55 + 5 Yes
  • Improved fictional properties
  • High compressive strength
  • Excellent wear resistance improved under load & permanent deformation
  • Good thermal / electrical conductivity.
  • Very low cold flow
10 Aluminum Oxide filled PTFE 5 - 10 Yes
  • Excellent electrical properties
  • Excellent compressive strength
  • Excellent wear resistance improved under load & permanent deformation
11 Calcium Fluoride filled PTFE 5 - 10 No
  • Excellent chemical resistance
  • Excellent wear resistance improved under load & permanent deformation
  • Excellent compressive strength
  • Good with chemicals that attack glass
12 Stainless Steel filled PTFE 5 - 10 No
  • Excellent chemical resistance
  • Outstanding mechanical properties
  • Good wear resistance
13 Mica filled PTFE 5 - 10 No
  • Excellent compressive strength
  • Very low coefficient of thermal expansion
  • Poor tensile properties
14 Glass + MoS2 filled PTFE 5 + 10 Yes
  • High compressive strength
  • Excellent chemical resistance
  • Improved wear resistance under load & permanent deformation
  • Improved frictional properties
15 MoS2 Filled PTFE 0.1 - 0.2 No
  • Self-lubrication in presence of a Polar gas
  • Low friction coefficient
  • Retained high dielectric performance even in presence of improved thermal and electrical conductivity due to the filler
  • Good dimensional stability and not fragile like ceramic
  • Service temperature range from -272 up to +260℃
16 Peek Filled PTFE 15 Yes
  • High compressive strength
  • Excellent chemical resistance
  • Outstanding mechanical properties at elevated temp.
  • Good wear resistance
17 Borum Nitrite Filled PTFE 10 No
  • Self-lubrication in presence of a Polar gas
  • Low friction coefficient
  • Retained high dielectric performance even in presence of improved thermal and electrical conductivity due to the filler
  • Excellent compressive strength
  • Service temperature range from -272 up to +260℃
18 Cobalt Aluminate Filled PTFE 0.3 No
  • Self-lubrication in presence of a Polar gas
  • Low friction coefficient
  • Retained high dielectric performance even in presence of improved thermal and electrical conductivity due to the filler
  • Very high compressive strength
  • Service temperature range from -272 up to +260℃

  • There are many popular filled grades PTFE Products brand named as Trexonn, Turcite B, Rulon AR, Rulon AJ Gold having specific properties, designed for specific service and applications.
  • Hindustan Nylons manufactures similar grades of PTFE Products branded as Trexonn, Turcite B, Rulon AR, Rulon AJ Gold.
  • Nonstandard Series can be made available on request subject to minimum quantity