Rulon LR

Rulon LR


What is the Material: Rulon LR is a semi-crystalline material. It is a modified PTFE (Teflon) filled with a proprietary ceramic additive.

Key Material Features: This material is beneficial in wear and bearing applications requiring chemical resistance.

Other Considerations: It is designed to reduce deformation under load. It does not perform well in tight tolerance applications.


Property Value Typical ASTM Test
Chemical Designation (PTFE) Polytetrafluoroethylene
Trade Names (®, ™) Rulon LR
Filler Proprietary Additives
Color Maroon
Density (g/cm^3) 2.25 D 792


Property Value Typical ASTM Test
Modulus of Elasticity (Tensile Test) (psi) 50000 D 638
Tensile Strength at Yield (psi) 2700 D 638
Elongation at Break (%) 235 D 638
Modulus of Elasticity (Flexural Test) (psi) 60000 D 790
Compression Strength: 1% Strain (psi) 750 D 695
Compression Modulus (psi) 80000 D 695
Hardness (D) 65 D 785
Coefficient of Friction (Kinetic, 40 psi, 50 fpm) 0.20 D 3702


Property Value Typical ASTM Test
Service Temperature Continuous (°F) 550
Thermal Conductivity (BTU-in/hr-ft^2-°F) 2.30


Property Value Typical ASTM Test
Specific Surface Resistance (Ω/square) 2.00E13 D 257
Volume Resistivity (Ω*cm) 1.00E5 D 257
Dielectric Strength (V/mil) 900 D 149
Dissipation Factor (1MHz) 0.0025 D 150
Dielectric Constant (1MHz) 2.5 D 150


Property Value Typical ASTM Test
Moisture Absorption (%) (24 Hours) 0.0 D 570
The data stated are typical values intended for reference and comparison purposes only. The data should not be used as a basis for design specifications or quality control. The information is provided as a guide to the best of our knowledge and given without obligation or liability. Testing under individual application circumstances is recommended.