PB10000 SERIES

Bronze-Filled PTFE

Bronze is the most popular metallic PTFE filler. Bronze is an alloy of copper and tin, so it is attacked by acids and bases. Also, bronze oxidizes during the sintering process, but this has no influence on the quality of the compound.

Bronze is used in high amounts to increase the thermal conductivity and reduce the deformation under load when bronze-filled PTFE materials are subjected to load at extreme temperatures. Bronze-filled PTFE materials have the very good abrasion resistance and compressive strength. Bronze-filled PTFE materials are typically used for bearing and wear ring applications.

PBY Material Codes:

PB10800T - 40% Bronze Filled PTFE

PB10800T - 5% Moly 55% Bronze Filled PTFE

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Bronze Filled PTFE Properties:

  • Extremely hard-wearing material

  • Electrically conductive

  • Great deformation strengths

  • Good thermal conductivity

  • Extremely good wear properties of any filled PTFE

Typical Applications

  • Bearing and wear rings
  • Often used in hydraulic systems, particularly superb as linear bearings, e.g. slides, gibs, guide ways

Requirements

PB10800T meets ASTM D4745 Type I Grade 10 and AMS 3678/14 requirements.

PB10801T meets ASTM D4745 Type I Grade 12.

Downloads

PB10800T - Material Data Sheet

40% Bronze Filled PTFE

PB10801T - Material Data Sheet

5% Moly 55% Bronze
Spec. Summary
Property Test Method Units 40 Bronze 5 Moly 55 Bronze
Color - - Brown Dark Brown
Specific Gravity ASTM D792 - 2.950 - 3.350 3.500 - 4.000
Hardness Shore - D ASTM D2240 - 62 - 72 65 - 75
Tensile Strength, min. ASTM D4745 PSI [MPa] 2,400 [16.5] 1,500 [10.3]
Elongation at Break, min. ASTM D4745 % 100 80
Second Melt Peak Temp. ASTM D3418 °F [°C] 621 [327] 621 [327]
Glass Transition Temp. ASTM D3418 °F [°C] -143 [-97]; 246 [119] -143 [-97]; 246 [119]

Spec. Compliance

REFERENCES

  • Wypych, George. Handbook of Polymers. 2nd Ed., ChemTec/Publishing, 2016.
  • Ebnesjjad, Sina. Fluoroplastics Vol1 & Vol2. 2nd Ed., Elsevier Inc., 2015.
  • Aerospace Materials Specifications for PTFE materials (AMS3678)
  • American Society for Testing and Materials (ASTM) Standards

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