RULON® 488

RULON® 488

Rulon Product

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 excellent wear resistance, especially in extremely dry environments, make it a material of choice in hydrogen and natural gas compressors. Its almost universal chemical resistance enables it to withstand corrosives and acids sometimes present in trace amounts in these environments.

It has a higher load capacity than Rulon® J and better abrasion resistance than both Rulon® J and Rulon® 123.

Typical Product And Application Description

Products Applications
• Automatically molded bearings & components• Pumps
• Sleeve, flanged and thrust bearings• Mixers
• Piston rings• Compressors
• Stamped and formed seals• Appliances
• Extruded shapes• Automotive
• Machined parts• Insulators
• Molded shapes• Linear slides
• Pipe support
• Wear bands

Design Criteria RULON® 488

Temperature - Typical Range ˚F (˚C)-400/+550 (-240/+288)
Maximum PV (continuous)(MPa•m/s)10,000 (0.35)*
Maximum P - psi (static)(MPa)1,000 (6.9)*
Maximum V -SFM (no load)(m/s)400 (2)*
Shaft Hardness - MinimumRb25
Shaft finish recommended Ra µin(µm)8 - 16 (0.2-0.4)*
Shaft MaterialHard, mild and stainless steels
Engineering Information
Friction - static & dynamic0.10 - 0.30
Water Absorption ASTM D5700
Flammability ASTM D635Non-Flammable
Chemical ResistanceInert
Thermal Conductivity BTU/hr/sq. ft./˚F/in. (W/m•K)2.6 (0.37)*
Linear Coefficient of 78˚ to 300˚F Thermal Expansion (26˚ to 149˚C) x 10 -5 in/in °F (x 10 -5 m/m °C)Diameter 4.2 (7.5)* Length 5.7 (10.2)*
Physical Data
Elongation ASTM D48941.75
Tensile Strength ASTM D4894 (MPa)2000 psi (13.8)*
Deformation ASTM D6214% (1500 psi - 24 hr. RT)
Specific Gravity ASTM D7922.25
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