Rulon® Fluoropolymers

Rulon® 488 powder
Rulon®
488 PTFE

Rulon® 488 is a dull turquoise material originally developed for use with painted surfaces. It has been used in veneer dryer bearings in the plywood industry.

Its almost universal chemical resistance enables it to withstand corrosives and acids sometimes present in trace amounts in these environments.

Rulon® 488 also has a higher load capacity than Rulon® J and better abrasion resistance than both Rulon® J and Rulon® 142.

 

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The material is molded and precision machined from high performance polymers as PTFE and filled PTFE composites. Its excellent wear resistance, especially in extremely dry environments, make it a material of choice in hydrogen and natural gas compressors.

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Standard Specifications
Materials

Dull turquoise fluoropolymer
Engineered organic filled

Service conditions

Temperature: -240°C to +288°C
Max load (dry): 6.9 MPa
Max Speed: 2m/s

Features

Friction coefficient: 0.10 - 0.30
Max PV (dry/lub): 0.35 MPa.m/s

Dimension

Rods and Tubes: (ϕ) 1.2m x (L) 3m
Sheets: (L,W) 610 mm x (ϕ) 80mm
Tapes: (W) 1m x (T) = [0.08;6] mm

  • Superior dry friction
  • Stick/slip elimination
  • Hardware abrasion reduction
  • Minimal moisture absorption
  • Dimensional stability in all chemicals

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In addition to the more tailor-made solutions offerings, for example the Omniseal Solutions™ piston rings, typical offerings of Rulon® 488 include automatically molded bearings and components, sleeve, flanged and thrust bearings, stamped and formed seals, extruded shapes, machined parts, and molded shapes.

Applications include pumps, mixers, compressors, appliances, insulators, linear slides, pipe support, and wear bands. This material can be used in a variety of different environments, including, steam, wet, dry and vacuum.

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