GTB Flexible Graphite Technical Data Sheet 436 Product Overview GRAFOIL ® GTB flexible graphite is inhibited against oxidation and corrosion for use in most industrial fluid sealing applications. Applications Most standard industrial fluid sealing applications, including: Chemical Petrochemical While maintaining an effective seal, GRAFOIL ® material exhibits virtually no creep relaxation. As a result, the need for periodic bolt tightening is greatly reduced. Load Bearing Ability High Temperature Creep Relaxation (BS1-F125) -10 -5 0 0 50 100 150 200 250 300 350 400 Temperature (°C) Creep (%) 1.5 mm GRAFOIL GTB 1.5 mm Compressed nonasbestos NBR/Aramid fibers 1.5 mm Compressed nonasbestos SBR/Aramid fibers 1.5 mm Compressed nonasbestos NBR/synthetic fibers Sealability (Modified DIN3535) 0 20 40 60 80 100 1000 1500 2000 2500 4640 Gasket Load (psi) Leak Rate (ml/min) 1.5 mm GRAFOIL GTB 1.5 mm Compressed nonasbestos NBR/Aramid fibers 1.5 mm Compressed nonasbestos SBR/Aramid fibers 1.5 mm Compressed nonasbestos NBR/synthetic fibers Product Family - Single Layer Materials - Inhibited (Service to 525 o C) GTJ - Nuclear 99.8% Graphite, D50YP12 or SHELL MESC SPE 85/203 GTB - 98% Graphite, FSA G-604-07 Method A SUPER GTO TM - 97% Graphite, FSA G-604-07 Method A
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GTB Flexible GraphiteTechnical Data Sheet 436
Product OverviewGRAFOIL® GTB flexible graphite is inhibited against oxidation and corrosion for use in most industrial fluid sealing applications.
ApplicationsMost standard industrial fluid sealing applications, including: Chemical Petrochemical
While maintaining an effective seal, GRAFOIL® material exhibits virtually no creep relaxation.As a result, the need for periodic bolt tightening is greatly reduced.
Load Bearing AbilityHigh Temperature Creep Relaxation (BS1-F125)
-10
-5
0
0 50 100 150 200 250 300 350 400
Temperature (°C)
Cre
ep (%
)
1.5 mm GRAFOIL GTB 1.5 mm Compressed nonasbestos NBR/Aramid fibers
1.5 mm Compressed nonasbestos SBR/Aramid fibers1.5 mm Compressed nonasbestos NBR/synthetic fibers
Sealability (Modified DIN3535)
0
20
40
60
80
100
1000 1500 2000 2500 4640Gasket Load (psi)
Leak
Rat
e (m
l/min
)
1.5 mm GRAFOIL GTB1.5 mm Compressed nonasbestos NBR/Aramid fibers 1.5 mm Compressed nonasbestos SBR/Aramid fibers1.5 mm Compressed nonasbestos NBR/synthetic fibers
Product Family - Single Layer Materials - Inhibited (Service to 525oC) GTJ - Nuclear 99.8% Graphite, D50YP12 or SHELL MESC SPE 85/203 GTB - 98% Graphite, FSA G-604-07 Method A SUPER GTOTM - 97% Graphite, FSA G-604-07 Method A
Notes:* Properties listed are typical and cannot be used as accept/reject specifications.