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PRODUCT INTRODUCTION
Polycrystalline Alumina fiber bulk is the latest super light-weight high temperature refractory fiber with 1700℃ classification temperature and 1840℃melting point, UNITECO Polycrystalline Alumina crystal fiber in the form of corundum as main phase with complex manufacture process as well as high scientific and technological content, UNITECO polycrystalline Alumina fiber bulk with white appearance, smooth surface, soft, flexible and seems to be cotton.
UNITECO polycrystalline Alumina fiber is produced through the colloid method, the Aluminium and silicon is produced into colloidal solution with certain viscosity, spun into fiber embryo body to be Al - Si polycrystalline Alumina fiber with the main crystal phase of corundum phase and a bit mullite phase through high temperature heat treatment and crystallization process
PRODUCT FEATURE
❄ Low thermal conductivity, low heat shrinkage as well as low heat capacity
❄ Excellent corrosion resistance to alkaline environment but susceptible to lead Erosion of steam and vanadium pentoxide
❄ Good chemical stability and available of acidic environment, oxidizing atmosphere, reducing atmosphere and vacuum condition
TYPICAL APPLICATION
❄ Alumina catalyst substrate in the field of chemical industry
❄ Insulation materials for nuclear reactors and space shuttles, light alloy reinforcements etc.
❄ Heat-insulating furnace lining of pyrolysis furnace and combustion furnace in petrochemical industry
❄ Heat insulation furnace lining of various heat treatment furnaces and ceramic firing kiln in steel industry
❄ Remarkable energy-saving effect to increase the output of the production substantially
CHEMICAL COMPOSITIONS
Chemical CompositionUNITECO WOOL PCW-80 1700℃
Polycrystalline Alumina Fiber BulkUNITECO WOOL PCW-95 1700℃
Polycrystalline Alumina Fiber Bulk
Al2O380%95%
SiO220%5%
ZrO2--
Cr2O3--
Fe2O3< 0.1%< 0.1%
PHYSICAL PROPERTIES
ItemsUNITECO WOOL PCW-80
1700℃ Alumina Fiber BulkUNITECO WOOL PCW-95
1700℃ Alumina Fiber Bulk
Classification Temperature1700℃1700℃
Melting Point1840℃1840℃
Density100kg/m³100kg/m³
ColorWhiteWhite
Average Fiber Diameter3-5μm3-5μm
Average Fiber Length100μm100μm
Slag-ball contentTraceTrace
Reheating linear shrinkage<1%<1%
1500×6H1500×6H
GENERAL PACKAGE
Item No.ContainerCarton SizePallet Size
mmmmmmmmmmmm
120'500500620110011002100
240'500500620110011002100
340HQ500500620110011002100
GENERAL CONTAINER LOADING
Item No.ContainerKgs/CartonPallets/ContainerCartons/ContainerKgs/Container
120'12101201440
240'12202402880
340HQ12202402880Polycrystalline Alumina Fiber factory
website:http://www.sinouniteco.com/polycrystalline-alumina-fiber/

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