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COMPRESSED FIBER SHEET

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PRODUCT PROFILE

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SF 3500 is a superior performance compressed non-asbestos gasket material ideal for use in

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pumps (including split case). It is constructed with glass and aramid fiber reinforcement, and it uses

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a NBR binder. The data given below is based on a 1/64" sheet, except as otherwise noted.

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SERVICE

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Max T (at min. thickness) 824°F (440°C)

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MaxP (at min. thickness) 3000 psi (20.7 MPa)

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pH Range 3-11

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PHYSICAL PROPERTIES

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Color Red

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Density 100 lb/ft3 (1.60 g/cm3 )

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Sheet Thickness 1/64" - 0.020" (0.40 mm - 0.50 mm)

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Sheet Size (also available in full rolls) 60" x 60", 60" x 120" (1.50 m x 1.50 m, 1.50 m x 3.00 m)

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MECHANICAL PROPERTIES (ASTM F152)

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Cross Grain Tensile 3335 psi (23.0 MPa)

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With Grain Tensile 6670 psi (46.0 MPa)

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IMMERSION PROPERTIES (ASTM F 1 46)

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Thickness Increase Oil #3 @ 300°F 4%

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Fuel B @ 70 - 85°F 7%

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Weight Increase Oil #3 @ 300°F N/A

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Fuel B @ 70 - 85°F N/A

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SEALING PROPERTIES

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ASTM F36J Compressibility 10%

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Recovery 62%

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ASTM F37A Fuel A @ 50 psi & 1000 psi Gasket Stress N/A

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ASTM F38 Creep Relaxation N/A

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BS 7531 Nitrogen Gas Permeability 0.01 mL/min

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Member of The Flexitallic Group

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