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Rulon® J

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Rulon® J is an all-polymeric reinforced, dull gold colored PTFE compound that operates exceptionally well against soft mating surfaces such as 316 stainless steel, aluminum, mild steel, brass and other plastics. The unique "shaft friendly" material is also low in friction and wear and self-lubricating.

Rulon® J has one of the lowest coefficients of friction of most reinforced PTFE materials. This makes it ideally suited for start/stop applications where stick-slip must be eliminated. The tribological properties of this material also make it suit-able for both bearing and wear component applications.

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DESIGN CRITERIA RULON® J
Temperature - Typical Range °F (°C) -400/+550 (-240/+288)*
Maximum PV (continuous) (MPa.m/s) 7,500 (0.26)*
Maximum P - psi (static) (MPa) 750 (5.2)*
Maximum V - SFM (no load) (m/s) 400 (2)*
Shaft Hardness - Minimum Rb25
Shaft Finish Recommended Ra (µ"/µm) 8-16 (0.2-0.4)*
Shaft Material 316 Stainless Steel and Non-Ferrous

ENGINEERING INFORMATION
Friction - Static & Dynamic 0.12-0.20
Water Absorption ASTM D570 0%
Flammability ASTM D635 Non-flammable
Chemical Resistance Chart Available
Thermal Conductivity
BTU/hr/sq. ft./°F/in.
2.0
Linear Coefficient of Thermal Expansion
78º - 200ºF Diameter 4.9x10-5 (8.8)*
(26º - 93ºC) Length 6.5x10-5 (11.7)*
78º - 300ºF Diameter 5.2x10-5 (9.4)*
(26º - 149ºC) Length 6.8x10-5 (12.2)*

PHYSICAL DATA
Elongation ASTM D638 180%
Tensile Strength ASTM D638 (MPa) 2000 psi (13.8)*
Deformation ASTM D621 nowrap="nowrap"3% (1500 psi - 24 hr. RT)
Specific Gravity ASTM D792 1.95

A more complete data sheet is available upon request.
*Metric data in parentheses

NOTE: The information contained herein are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers' complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.
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spacer TYPICAL PRODUCT AND APPLICATION DESCRIPTION
 
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  • Automatically molded bearings and components
  • Sleeve, flanged and thrust bearings
  • Piston rings
  • Stamped and formed seals
  • Extruded Shapes
  • Machined Parts
  • Molded Shapes
  • Printers
  • Copiers
  • Air Compressors
  • Appliances
  • Automotive
  • Insulators
  • Linear Slides
  • Anemometers
  • Wear bands
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Rulon® LR Rulon® AR Rulon® 641

Rulon® is a registered trademark of Saint Gobain

 

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