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GrafTech GRAFOIL® GRAFKOTE® Laminates, Non-Metal Reinforced

Category Carbon , Graphite
Manufacturer GrafTech International
Trade Name GRAFOIL®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF GrafTech GRAFOIL® GRAFKOTE® Laminates, Non-Metal Reinforced.pdf
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Material Notes:
GRAFOIL® GRAFKOTE® laminates are made with GRAFOIL® Grade GTB flexible graphite thermally bonded to a 0.0005" thick polymer facing on one ("Single-Sided") or both ("Double-Sided") sides. The polymer facing enhances product handleability and durability, making GRAFKOTE® laminates an excellent gasketing material. Each laminate is surface identifiable, branded with the GRAFOIL® grade. Its applications include: valves, pumps, pipe/ASME/API/DIN flanges, glass-lined or low load flange equipment, steam traps, heat exchangers, and compressors. The advantages of GRAFKOTE® products are: compatible with many chemicals; maximum continuous use temperature 400°C (750°F); no shelf life; material availability in rolls allows for maximum material utilization; easily cut; contains no hazardous materials; improved handleability and durability; superior to non-asbestos fiber sheet in every characteristic (Creep, Recovery, and Sealability). Single-Sided Laminate Construction: 0.0005" thick polymer ? GRAFOIL® Grade GTB. Double-Sided Laminate Construction: 0.0005" thick polymer ? GRAFOIL® Grade GTB ? 0.0005" thick polymer.
Physical Properties Metric English Comments
Bulk Density 1.12 g/cc
0.0405 lb/in³
Standard; Graphite
Thickness 760 microns
29.9 mil
Standard for Single-Sided Laminate
1520 microns
59.8 mil
Standard for Single-Sided Laminate
1570 microns
61.8 mil
Standard for Double-Sided Laminate
Mechanical Properties Metric English Comments
Tensile Strength at Break 5.52 MPa
800 psi
>= 0.030" Thick
6.55 MPa
950 psi
0.010" Thick
Compression Set 80 %

@Pressure 34.5 MPa
80 %

@Pressure 5000 psi
after 5000 psi load
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 200 °C
392 °F
0.010", 0.017" thick
400 °C
752 °F
0.030", 0.060", 0.062", 0.082" thick
Descriptive Properties Value Comments
"m" Factor 2
ASME Gasket Factor
"y" Stress (psi) 900
ASME Gasket Factor
Compressibility (%) 43
at 5000 psi load
Max Gasket Unit Load (psi) 6526
ASME Gasket Factor
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