Polycrystalline Mulite (refractory) Fiber Board

Price: 3.56~8.53 USD
Payment Terms: TT,LC
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Basic Info.
  • Model No.: CF0706 
  • Place of Origin: Henan  
  • Min.Order: 1 Kilogram
  • Means of Transport: by sea, by air
Supply Capacity
  • Production Capacity: 100000kg
  • Packing:in wooden box
  • Delivery Date: 5-25days
Polycrystalline Mullite Fiber (PMF) is a novel super-light high-temperature refractory fiber in the world, one of the whole Al2O2siO2 system ceramic fibers, with use temperature of 1800 degrees to 1700 degrees, 200 degrees to 300 degrees higher that that of fiber glass. Polycrystalline mullite fiber (PMF), polycrystalline alumina fiber is currently at home and abroad the latest ultra-lightweight high-temperature fire-resistant fiber, the whole system Al2O3-SiO2 ceramic fibers in two different products, It can be widely used in metallurgy, machinery, electronics, ceramics, chemicals, aerospace and other high-temperature industrial furnaces and other thermal equipment, lined with insulation. In order to achieve energy efficiency increase, extend furnace life, the purpose of improving the working environment. Appearance white, smooth, soft, flexible, just like cotton.
  • High temperature stability to 1600-1800C
  • Ideal for use as furnace insulation in sintering, heat treating and chemical thermal process systems
  • Non-Flammable
  • Excellent thermal shock resistance
  • Resistance to most chemical attack; it has excellent stability in acid metal slags and is insoluble in most acids
  • Resistance to oxidation and attack by furnace atmospheres
  • Resistance to abrasion
  • Good electrical resistivity
  • Excellent thermal stability
  • Can be used as insulation packing in furnace spaces and around furnace sight tubes & ports
  • Fill in expansion joints and masonry cracks inside of furnaces.
Technical Parameter:
Classification Temperature(oC)
Density(volume weight)(kg/m3)
Linear Contraction(%)
Chemical Composition
Length×Width: 600×400, 1000×500, 1000×600(mm)
Thickness: 20-150(mm)
1. Data are average results of standard tests which are subject to variation, don't show the guarantee datas of product quality because of fluctuating within certain range.
2. The size is also can be designed according to the clients' requirement.
1. saving the energy
2. increasing the production
3. prolonging the life-span of the stove
4. improving the working atmosphere.
It is widely applied to the lining insulation of high-temperature industrial kilns and other heat engineering equipment such as metallurgy, machinery, electron, ceramic, chemical, glass, and aerospace.
At present, only few advanced countries are able to produce the product. PMF is extracted by chemical colloid method, and formulated according to crystalling phase---mullite (Al2O3\SiO2). Chemical component is Al2O3-72%,SiO2-28%. Its principle is: the soluble aluminum and silicon salt are made into a colloidal solution, blow the solution and draw the wire by conventional methods, and complete the change of the crystalling phase through high-temperature treatment to obtain mullite fiber. The mullite fiber (loose) wool can be used as the feedstuff of the interlayer of high-temperature position. The loose wool can be made, through wet vacuum mould, into PMF fiber products, such as plate, felt, brick, preformed unit, module and combination part.
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Mr. JarryWu
Tel: 86-371-63355891
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Zhengzhou Dengfeng JINYU Thermoelectric Material Co., Ltd
China (Mainland)
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