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4mm (0.157'') White PTFE Rod Teflon Round Bar

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inch
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Product Details

Form Type
Rod
Material
PTFE
Opacity
Opaque
Color
White
Diameter
4mm (5/32 in)
Machining Precision
Normal (±2mm)
Density
2.3

Features

  • Outstanding chemical resistance
  • Continuous use temperature of 500°F
  • Non-stick surface
  • Consistent performance in extreme environments
  • Extremely low coefficient of friction
  • Exceptional electrical insulating properties
  • Available in various grades, including FDA-compliant options

Applications

  • Seals and gaskets
  • Insulators and spacers
  • Liners and wear strips
  • Valve seats and bearings
  • Pump components
  • Laboratory equipment
  • Electrical insulators
  • Components used in cryogenic applications

Processing Options

Comprehensive CNC machining and sawing services for solid PTFE rods, ideal for complex industrial components, valve seats, and custom manifolds.

Specifications

PROPERTIESVALUEUNITPARAMETERNORM
Mechanical Properties
Specific gravity2.2g/cm3ASTM D792
Tensile yield strength18MpaASTM D638
Breaking elongation220%ASTM D638
Bending strength20MpaASTM 790
Flexural modulus700MpaASTM 790
Shore hardness50DASTM D2240
Impact strength26J/MASTM D256
Thermal Properties
Melting point327DSC
Heat distortion temperature55ASTM D648
Operating temperature220
Maximum operating temperature260
Thermal conductivity0.26W/(m⋅K)DIN 52612- 1
Coefficient of linear thermal10.310⁻⁴/KASTM D696
Electrical Properties
Dielectric strength10kV/mmASTM D150
Dielectric loss factor0.0001ASTM D150
Volume resistivity10¹⁵Ω·cmASTM D257
Surface resistivity10¹⁵ΩASTM D257
Dielectric constant2.1ASTM D149
Chemical Properties
Water absorption0.01%23℃ 60%RH
Acid resistance+23℃ 60%RH
Alkali resistance+
Acid and alkali resistance+
Resistance to sodium chlorate+
Resistance to aromatic compounds+
Resistance to keton+23℃ 60%RH
Resistance to hot water+23℃ 60%RH
Other Properties
FlammabilityV-0UL 94
Viscosity+
Non toxic+EEC 90/128 FDA
Coefficient of friction0.13DIN 53375

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