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Saint-Gobain Rulon® 957 Grade Bearing/Seal PTFE

Category Polymer , Thermoplastic , Fluoropolymer , PTFE
Manufacturer Saint-Gobain Perfomance Plastics
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Saint-Gobain Rulon® 957 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 = polytetrafluoroethylene957 Grade Bearing/Seal PTFE: Low friction/wear against coated metal or porcelain surfaces. Appropriate mating surfaces are steel, Rc 25 or higher, or painted metal/porcelain. Suitable for use in environments of steam, wet, dry, or vacuum type. Green in color. Material has electrical and thermal insulation properties.Information provided by Saint Gobain Performance Products.
Physical Properties Metric English Comments
Density 2.25 g/cc
0.0813 lb/in³
ASTM D792
Water Absorption 0.00 %

@Time 86400 sec
0.00 %

@Time 24.0 hour
Immersion
Water Absorption at Saturation 0.00 %
0.00 %
Mechanical Properties Metric English Comments
Tensile Strength 15.2 MPa
2200 psi
ASTM D638
Elongation at Break 200 %
200 %
ASTM D638
Compressive Yield Strength 6.89 MPa
1000 psi
Max load under tribological use
Coefficient of Friction, Dynamic 0.15 - 0.25
0.15 - 0.25
Dry vs. Steel
Coefficient of Friction, Static 0.15 - 0.25
0.15 - 0.25
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 112 µm/m-°C

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

@Temperature 78.0 - 200 °F
Length
CTE, linear, Transverse to Flow 63.0 µm/m-°C

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

@Temperature 78.0 - 200 °F
Diameter
Maximum Service Temperature, Air 288 °C
550 °F
Minimum Service Temperature, Air -240 °C
-400 °F
Descriptive Properties Value Comments
Color Green
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