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ITEM Rigid Insulation boardHigh Temperature productsRigid Insulation boardHigh Purity productsProductsCarbon Felt(cover with graphitefoil)Carbon Felt (cover with CFC)Graphite Felt(cover with graphitefoil)Graphite Felt(cover with CFC)TrademarkLTZ-124-9-1LTZ-124-9-2MaterialPAN-CFPAN-CFPAN-CFPAN-CFBulk density ( g/cm3)0.25--0.300.25--0.300.25--0.280.25--0.28Carbon (%)≥98≥98≥99≥99Fhermal conductivity1150oC W/mk0.25--0.350.25--0.350.20--0.300.20--0.30Folding Strength (MPa)1.5--3.21.8--3.41.3--3.01.75--3.2flexural strength (MPa)1.0--2.51.5--3.01.0--2.51.5--3.0Crushing stress at 5% compression (MPa)0.60.80.40.7Ash (PPm)≤500≤500≤200≤200Processing temperature1800oC2500oCOperating Conditionin the air≤400oC≤400oCin the vacuum≥1800oC≥2200oCin the inert atmosphere≥3200oC≥3200oCBoard SpecLength (mm)1500,1800Wide (mm)1000,1300Thickness (mm)20--350Cylinder/tube materials Specdiam (mm)Φ200-Φ1500WallThickness(mm)30-120High (mm)300-2000Producing graphite felt, rigid graphite board and CFC, Heat Insulation Materials Using in Vacuum Furnace, inert atmosphere furnaces, crystal growth furnace, multicrystalline DSS, single crystal furnace, High Temperature Sintering Furnace, and much more Thermal Insulation Products for heat insulating. From our five modern production plants in Central GANSU Province, CHINA, there have the China's largest high-temperature Vacuum Furnaces and entire process of production using computer-controlled temperature. The main products include premium high purity Carbon Fiber based of Carbon fiber board, rigid graphite board, graphite felt, rigidized graphite felt cylinders, and carbon-carbon composites (CFC).Mainly used as insulation in high-vacuum and inert atmosphere furnaces. This kind of high-vacuum is widely used for metal heat treatment, meticulous and ceramic sintering, different kinds of crystallization production, sintering monocrystalline silicon for semiconductors.HSCF supplied to the following industries for various applications, Vacuum and High Pressure Sintering Industry: Heat Insulation for Hard Metal Sintering, Non Oxide Ceramics, Tungsten Carbide manufacturing Vacuum Treatment Industry: Heat Insulation for Commercial Heat Treat Furnaces, Hardening, Tempering, etc. Crystal Growing Industry: Heat Insulation for Silicon, SiC, Indium Phosphide, Gallium Arsenide, Sapphire, Optical Crystals, Solar Ingots Special Castings Industry: Heat Insulation for precision casting of DS/SC turbine engine components and Metal Matrix Composites Graphitising/CVD Applications: Heat Insulation for High Modulus Carbon Fiber Production, Halogen Purification Furnaces Electronic/Semiconductor Industry: Heat Insulation for Materials for various precursor applications Aerospace Industry: System accredited to BS EN ISO 9002 Solar cells: PAN-graphite felt electrode in the vanadium redox flow batteryContact Us:Mr. XiangGuo Hao (vice-president)Mr. Andrew Yan (Marketing and Sales Director)Gansu HaoShi Carbon Fiber Co., Ltd. (HSCF) Add: NO 66,ANNING EAST ROAD,LANZHOU CITY ,GANSU PROVINCE,CHINA Tel: 86-931-7753206 , 86-931-7751403 Fax: 86-931-7753151 Cell: 86-138-936-00-178 (Mr. XiangGuo Hao) --- speaking Chinese Cell: 86-139-1940-5375 (Mr. Andrew Yan) --- speaking Chinese & English