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FP-96 English Version - Eastern Federal Lands Highway Division

FP-96 English Version - Eastern Federal Lands Highway Division

FP-96 English Version - Eastern Federal Lands Highway Division

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Section 717Table 717-1Filled Tetrafluoroethylene SheetingPropertyASTMMethod 15% Glass Fibers 25% CarbonMechanical:Min. tensile strengthD 14572,000 psi1,300 psiMin. elongationD 1457150%75%Physical:Min. specific gravityD 7922.202.10Melting pointD 1457620±18 bF620±18 bF(g) Interlocked bronze and filled TFE components. Furnish a phosphorbronze plate conforming to ASTM B 100 with an 0.010 inch thick porousbronze surface layer conforming to ASTM B 103M into which is impregnateda TFE compound. Overlay the surface with compounded TFE not lessthan 0.001 inches thick.(h) TFE metal composite. Furnish virgin TFE molded on each side andcompletely through a 1.32-inch perforated stainless steel sheet conformingto ASTM A 240 type 304.(i) Surface treatment. For epoxy bonding, factory treat one side of the TFEsheet with a sodium napthalene or sodium ammonia process.(j) Stainless steel mating surface. Conform to ASTM A 240 type 304 andthe following:(1) Thickness 0.0359 inches min.(2) Surface finish 20 µ inches root meansquare max.Polish or roll stainless steel mating surfaces as necessary to meet the specifiedfriction properties.717.12 Structural Aluminum Alloy. Conform to the Specifications for AluminumStructures published by the Aluminum Association, Inc. For aluminumexpansion joint material, furnish aluminum extrusion alloy 6061-T6.746

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