GT-01: Density 0.25g/ cc GT Grade Graphite Rigid board / Felt Density 0.25g/ cc Economic For general heat treatment furnace. The GT grate of graphite Felt is one kind of the economical-type insulation material in our company. He can be widely used in any kind of the General Heat Treatment Furnace, whose temperature is lower than 1600 . TYPE AND CODE GT-0101 RIGID GRAPHITE FELT WITH ONE SIDE FOIL AND WITHOUT OTHER SIDE Ub4¸ GT-0102 RIGID GRAPHITE FELT WITH BOTH SIDE FOIL à b4¸ GT-0103 RIGID GRAPHITE FELT WITH ONE SIDE CFC AND WITHOUT OTHER SIDE Ub GT-0104 RIGID GRAPHITE FELT WITH BOTH SIDE CFC à b GT-0105 RIGID GRAPHITE FELT WITH ONE SIDE CFC AND OTHER SIDE FOIL b4¸ + æ b GT-0106 RIGID GRAPHITE FELT WITHOUT SURFACE GT-0107 â SANDWICHâ STYLE â » â à â Avalilable Sizes & Dimensions Thickness Width Length 300mm( max) 1200mm( max) 1520mm( max) Chemic al Composition Bulk density g/ cm³ d0.28 Bending strength MPa 2.5-3.2 Thermal Conductivity at 20 w/ mk 0.32 Thermal Conductivity at 1000 w/ mk 0.46 Tensile strength MPa 2.8-6.8 Carbon content % e98 Plainness mm/ meter + 4.0