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Filled PTFE Rods

Filled PTFE Rods

Filled PTFE Rods Filled PTFE products has more outstanding performance by adding filler such as carbon, graphite, bronze, glass fiber, carbon fiber, MOS2, PEEK, PI, POB BaSO4, SiO2, glass bead, polyamide. Filled PTFE Rods material Testing Data Contrast of Some Typical Filled Products More...

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Filled PTFE Rods

Filled PTFE products has more outstanding performance by adding filler such as carbon, graphite, bronze, glass fiber, carbon fiber, MOS2, PEEK, PI, POB BaSO4, SiO2,  glass bead, polyamide. 

Filled PTFE Rods material 

Filled materials

Common filled ratio

( Quantity %)

Main performances 

Bronze

40, 60

Increases hardness and wear   resistance; 
  Increases dimensional stability and compressive   strength;
  Not suitable for corrosive or electrical applications

Carbon

5,  10, 15

Increases compressive strength,   hardness, wear, and load properties. 
  Good chemical resistance; Improves electrical   properties.

Graphite

5,  10,  15

Improves the deformation under   load; Reduces initial wear; 
  Improves thermal and electrical conductivity

Glass Fiber

10,  15,  25

Increases compressive strength,   rigidity and wear. 
  Reduces creep and cold flow; Improve Dimensional   Stability.

Carbon Fiber

10 ,  15,  25

Increases compressive strength,   hardness, wear, and load properties. 
  Reduces creep and cold flow

POB 
  (polyphenyl ester)

5,  10,  15

Improve the lubrication   performance; Enhance the mechanical strength;

Increase using temperature 

BaSO4

5,  10,  15

Increases compressive strength,   hardness and wear resistance
  Reduces creep

SiO2

5,  10,  15

Increases hardness and wear   resistance; Improve Dimensional Stability.

Glass beads

5,  10,  15

Reduces creep and cold flow; Lower   density
  Increases hardness and wear resistance; 

Others materials

PEEK(polyetheretherketone),   PI(Polyimide), MoS2 are   also ok

Testing Data Contrast of Some Typical Filled Products 

Item

Pure PTFE

60% Bronze

20% Glass   Fiber

15% Glass   Fiber 5% graphite

20%    Carbon fiber

Unit

Density

2.18

3.9

2.26

2.22

2.01

g/m3

Tensile   strength

276

127

175

158

189

MPa

Elongation at   break

238

101

207

205

92

%

ROCKWELL   Hardness

3.2

33.8

6.4

11.3

32.1

-

Friction   coefficient   

0.13

0.18-0.2

0.20-0.24

0.15-0.17

0.16-0.18

-

Bending   strength

207

280

210

225

320

°C 

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