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High Temp Compressed Graphite or Carbon Fiber Gasketing Typical Physical Properties* G-99004 98004 98504 Color Mahogany Black Black Composition Graphite with nitrile Carbon with SBR Carbon with nitrile Temperature1 Maximum +1,000�F (+540�C) +900�F (+480�C) +900�F (+480�C) Minimum -100�F (-75�C) -100�F (-75�C) -100�F (-75�C) Continuous max. +650�F (+340�C) +650�F (+340�C) +650�F (+340�C) Pressure1 psig 2,000 2,000 2,000 (bar) (138) (138) (138) PxT,max.1 (psig x �F) 1/32", 1/16" 700,000 700,000 700,000 (bar x �C) (0.8 mm, 1.6 mm) (25,000) (25,000) (25,000) 1/8" 350,000 350,000 350,000 (3.2 mm) (12,000) (12,000) (12,000) Sealability 2 (ASTM F37B) ASTMFuelA ml/hr 0.1 0.1 0.1 Nitrogen ml/hr 0.1 0.1 0.1 CreepRelaxation (ASTM F38) % 9 15 15 CompressibilityRange (ASTM F36) % 7-17 7-17 7-17 Recovery (ASTM F36) % > 65 > 55 > 56 FluidResistance (ASTM F146 @ 5 hours) ASTM#1Oil at +300�F (+150�C) Thickness increase % 0-5 0-10 0-5 Weight increase % < 10 < 20 < 10 ASTMIRM#903Oil at +300�F (+150�C) Thickness increase % 0-10 15-40 0-10 Tensile loss % < 35 < 65 < 35 ASTMFuelAat +70-85�F (+20-30�C) Thickness increase % 0-5 0-10 0-5 Weight increase % < 7 < 20 < 7 ASTMFuelB +70-85�F (+20-30�C) Thickness increase % 0-10 5-20 0-10 Weight increase % < 15 < 20 < 15 TensileStrengthacross grain psi 1,800 1,500 1,800 2 (ASTM F152) (N/mm ) (12) (10) (12) Density 3 lbs/ft 110 105 105 3 (g/cm ) (1.76) (1.68) (1.68) GasPermeability 3 (DIN 3535 Part 4) cc/min. 0.015 0.015 0.015 This is a general guide and should not be the sole means of selecting*Valuesdonotconstitutespecificationlimits or rejecting this material. ASTM test results in accordance with ASTMAll styles are furnished with an anti-stick parting agent as standard. F-104; properties based on 1/32" (0.8mm) sheet thickness. Notes: Nitrogen: 1 Based on ANSI RF flanges at our preferred torque. When approach- Gasket load = 4,640 psi (32 N/mm2), Int. pressure = 580 psig (40 bar) ing maximum pressure, continuous operating temperature, minimum 4 Saturated steam service guidelines: temperature or 50% of maximum PxT, consult Garlock Engineering. � For optimal performance, use thinner gaskets when possible. 2 ASTM F37B Sealability � Minimum recommended assembly stress = 4,800 psi. ASTM Fuel A (isooctane): � Preferred assembly stress = 6,000 psi to 10,000 psi. 2 Gasket load = 500 psi (3.5 N/mm ), Int. pressure = 9.8 psig (0.7 bar)� Retorque the bolts/studs prior to pressurizing the assembly. Nitrogen: � If the service is superheated steam, contact Applications Engineering. 2 Gasket load = 3,000 psi (20.7 N/mm ), Int. pressure = 30 psig (2 bar) 3 DIN 3535 Part 4 Gas Permeability, cc/min. (1/16" thick) C-6
Goodyear Rubber Products
