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Product Description HT Grade Graphite Rigid board / Felt Density: 0.*8g/ccHi temp processed, Hi performance for Hi temp & Hi tech. furnace. The HT grate of graphite Felt is one kind of high performance graphite felt under the progress of the high temperature. With our special technologies as the high temperature, the density is only 0.*8g/cc, and the carbon content is more than *9%. The HT grate of graphite Felt can be widely used in any kind of Vacuum Furnace, such as High Temperature Vacuum Furnace, Sintering Furnace, Silicon Furnace, Polysilicon Furnace, Synthetic diamond Furnace and so on. It is woven of PAN based carbon fiber, have heating element carbon cloth and insulating carbon cloth .Also, used to reinforce carbon/carbon composites materials.Applied to generate heat unit in vacuum furnaces , and it is a excellent heat insulation. TYPE AND CODE HT****1 RIGID GRAPHITE FELT WITH ONE SIDE FOIL AND WITHOUT OTHER SIDE 单面贴纸 HT****2 RIGID GRAPHITE FELT WITH BOTH SIDE FOIL 双面贴纸 HT****3 RIGID GRAPHITE FELT WITH ONE SIDE CFC AND WITHOUT OTHER SIDE 单面帖布 HT****4 RIGID GRAPHITE FELT WITH BOTH SIDE CFC 双面帖布 HT****5 RIGID GRAPHITE FELT WITH ONE SIDE CFC AND OTHER SIDE FOIL 一面贴纸+另一面帖布 HT****6 RIGID GRAPHITE FELT WITHOUT SURFACE HT****7 “SANDWICH” STYLE “三明治”结构 Avalilable Sizes & Dimensions Thickness Width Length **0mm(max) ***0mm(max) ***0mm(max) Chemical Composition Bulk density <= 0.*8 g/cm? Bending strength 2.**3.2 MPa Thermal Conductivity at *0℃ w/mk 0.*5 Thermal Conductivity at ***0℃ 0.*6 w/mk Tensile strength 2.**6.8 MPa Carbon content >=*9.9 % Plainness *1.5mm/meter