Plain Graphite Sheet

Main Characteristics and Properties

Chemical Compositions of Flexible Graphite
Carbon: 99% Min.;  Ash: 0.8% Max;  Leachable Chloride: 30ppm Max

Typical Physical Properties
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)
Working Temperature Range:
Oxidizing Environment, such as air: -400º F to 950º F (-240º C to 510º C)
Mild Oxidizing Environment of most gasket applications: -400º F to 1500º F(-240º C to 850º C)
Non-Oxidizing Environment: -400º F to 5400º F (-240º C to 3000º C)
Thermal Conductivity:
Parallel to Sheet Surface: 960 BTU-in/ft2.h.F (140 W/m.K)
Through Thickness: 36 BTU.in/ ft2.h.F (5W/m.K)
Coefficient of Friction (Against Steel):  0.018 @ 4 psi (0.03Mpa),  0.157 @ 12 psi (0.08 Mpa)

Product Applications

2030-L  Plain Graphite Sheet can be used for flange gasket in relatively low pressure sealing condition. Attributing to good thermal conductivity of graphite, 2030-L is an ideal filler material for metal jacketed gaskets (corrugated metal gaskets, heat exchanger gaskets).

Product Sizes and Options

Standard Thickness: 1/32”(030”), 1/16”, 1/8”  (Available .005″ – 1″)
Sheet Size: 39.4” x 39.4”(Meter Size) and 60” x 60”

Cross-references: 2030-L Equivalent: Graftech GTB/GHL; Garlock 3123/3125; SGL Polycarbon B