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Graphoil ribbon is slit and corrugated (crinkled) from industrial grade 2010‒B graphite material. Most flexible graphites have a carbon content of 95%–98%. We provide a high purity content of 99% carbon. This allows for better chemical resistance, thermal conductivity, and sealing. Graphoil ribbon can be used as a valve stem package, gasket, or seal. It can also be used to make die‒formed rings. Standard tapes are supplied without special treatments.

Hi-Tech Seals offers graphite crinkle ribbon in standard thicknesses of 0.015" by 50' lengths. The available widths are 1/2" and 3/4".



 Working Temperature Range
 Oxidizing Atmosphere
 (such as air)
-240°C/-400°F
to
510°C/950°F
 Mild Oxidizing Atmosphere of
 most gasket applications
-240°C/-400°F
to
850°C/1500°F
 Non-Oxidizing Atmosphere
-240°C/-400°F
to
3000°C/5400°F
Applications

Graphoil ribbon can be used as a valve stem packing, gasket or seal. Can also be used to make die-formed rings.
Standard tapes are supplied without special treatments.


Cross Reference

Minseal
GraphTech(UCAR)
SGLPolycarbon
Garlock
Klinger
2010-BHomogeneous Roll
GTB
B
3123
HL


Other Properties
 Thermal Conductivity
 Parallel to Sheet Surface960 BTU-in/ft
 Through Thickness36 BTU.in/ ft
 Coefficient of Friction (Against Steel)0.018 @ 4 psi (0.03Mpa),
0.157 @ 12 psi (0.08 Mpa)
 Compressibility (ASTM F-36)44%
 Recovery (ASTM F36)15%
 Creep Relaxation (ASTM F-38)Less than 5%
 Sealability (ASTM F-37)0.017 fluid ounce/hr (0.5ml/hr)


Technical Data
 Bulk Density
70 lb/cu.ft. (1.1 g/cc)
 Tensile Strength
650 psi (4.4 Mpa)
 Carbon Content
99% Min.
 Ash Content
1% Max.
 Sulfur Content
900 ppm Max.
 Leachable Chloride Content
50 ppm Max