Rod PTFE Rulon® 1439

sheettubeaeronautical

Overview
Rulon® 1439 is a white, FDA- and USDA-compliant PTFE material formulated for immersed/submerged service. It offers improved wear characteristics compared with many standard PTFE compounds, low moisture uptake and compatibility with most commercial lubricants. Designed for use as bearings and sliding surfaces in food, pharmaceutical and industrial equipment.

Applications and typical offerings

• Automatically molded bearings and components
• Sleeve, flanged and thrust bearings
• Stamped and formed seals
• Extruded shapes
• Machined parts
• Molded shapes

Typical applications

• Compressors
• Appliances
• Pillow blocks
• Linear slides
• Fluid transfer systems
• Vacuum pumps
• Valves
• Food processing equipment

Service environments

• FDA-compliant environments
• Steam, wet and dry conditions
• Vacuum service

Standard Specifications
Materials: White fluoropolymer engineered for bearing applications
Service conditions: Temperature: -240°C to +288°C
Mechanical strength: 6.9 MPa
Manufacturing process: Compression molding
Features: Friction coefficient: 0.15–0.25
Max PV (dry/lub): 0.35 MPa·m/s
Dimensions: Rods and tubes: (ϕ) 1.2 m × (L) 3 m
Sheets: (L,W) 610 mm × (ϕ) 80 mm
Tapes: (W) 1 m × (T) = [0.086; 6] mm

Performance highlights

• Superior dry friction performance
• Eliminates stick/slip
• Reduces hardware abrasion
• Minimal moisture absorption
• Dimensional stability in aggressive chemicals

Technical specifications

• Temperature range: -240°C to +288°C
• Mechanical strength: 6.9 MPa
• Friction coefficient: 0.15–0.25
• Maximum PV (dry/lubricated): 0.35 MPa·m/s
• Manufacturing process: Compression molding
• Available forms: rods and tubes; sheets; tapes (thickness range: 0.086–6 mm)
• Compliance: FDA and USDA compatible for applicable grades