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General Characteristics 100% Pure Ptfe
Granular Powder
General Characteristics Standards Units Pure PTFE
POWDER
Bulk density D-1457 g/1 700 ± 100
Compression ratio ------ ------ 2.5 – 3
Particle size D-1457 ------ ~ 400
Pourability D-1895 s 30 – 50
Moulding pressure ------ kg/cm 2 , Psi , MPa 250 – 350 , 3500 - 5000 , 25 - 35
SINTERED PARTS
Specific gravity D-1457 ------ 2.14 – 2.16
Shrinkage D-1457 % -3.5/-4.5
Tensile strength D-1457 kg/cm , Psi , MPa 250 – 310 , 3500 – 4400 , 25 – 30
Elongation D-1457 % 280 – 380
Thermal stability D-1457 ------ 10
Dielectric strength D-1457 , 0.1 mm kv/mm , v/mil ~ 32 , ~ 800
Harness D-2240 Shore D 55 – 58
Water absorption      0%
Granular Powder
Compounds, properties and Application
A = properties
B = Examples of Application


Carbon A - Good Thermal Conductivity
  B - Dynamic applications at high Speed
Graphite A - Good resistance to Wear, improved thermal Conductivity
  B - Creeping bearings at high speed contact with medium hardness
Glass A - High resistance to wear, improved under load and permanent deformation
  B - Bearings with high resistance to wear, Valve seats
MOS2 A - Low static coefficient of friction
  B - Creeping slides used at high stresses
Bronze A - High resistance to compression, High thermal conductivity
  B - Support Slides for heavy loads
Alumina Al A - Improved under load and permanent deformation Good dielectric properties
  B - Electrical applications