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Saint-Gobain Rulon® 945 Grade Bearing/Seal PTFE

Category Polymer , Thermoplastic , Fluoropolymer , PTFE
Manufacturer Saint-Gobain Perfomance Plastics
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Saint-Gobain Rulon® 945 Grade Bearing/Seal PTFE.pdf
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Material Notes:
Description: Rulon® is the Saint-Gobain trade name for their family of proprietary PTFE compounds. This family of materials offers the combination of high compressive strength, low coefficient of friction, and excellent abrasion and corrosion resistance while running without lubrication. They are used in bearing and seal applications from temperature extremes of 400°F to over 500°F with and without additional lubricants. A unique property of Rulon® is the absence of stick slip, that is, erratic low-speed motion. PTFE = polytetrafluoroethylene945 Grade Bearing/Seal PTFE: Extremely low deformation under load, and High impact resistance. Black in color. Material does not have thermal and electrical insulating properties. Suitable for use in steam, wet, dry, or vacuum environments. Rc 35 or higher steel mating surface.Information provided by Saint Gobain Performance Products.
Physical Properties Metric English Comments
Density 1.90 g/cc
0.0686 lb/in³
ASTM D792
Mechanical Properties Metric English Comments
Tensile Strength 20.7 MPa
3000 psi
ASTM D638
Elongation at Break 20 %
20 %
ASTM D638
Compressive Yield Strength 6.89 MPa
1000 psi
Max load under tribological use
Coefficient of Friction, Dynamic 0.20 - 0.35
0.20 - 0.35
Dry vs. Steel
Coefficient of Friction, Static 0.20 - 0.35
0.20 - 0.35
Dry vs. Steel
Limiting Pressure Velocity 0.350 MPa-m/sec
10000 psi-ft/min
Thermal Properties Metric English Comments
CTE, linear, Parallel to Flow 50.4 µm/m-°C

@Temperature 25.6 - 93.3 °C
28.0 µin/in-°F

@Temperature 78.0 - 200 °F
Length
CTE, linear, Transverse to Flow 128 µm/m-°C

@Temperature 25.6 - 93.3 °C
71.0 µin/in-°F

@Temperature 78.0 - 200 °F
Diameter
Thermal Conductivity 0.692 W/m-K
4.80 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 288 °C
550 °F
Minimum Service Temperature, Air -240 °C
-400 °F
Descriptive Properties Value Comments
Color Black
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