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Aluminum Silicate Felt
Production Technique

Aluminum silicate fiber felt is manufactured with flint clay as main ingredient through melting , fiberizing (an adequate amount of cementing agent is added in the process of fiberizing),solidification in solidification chamber and cutting .The whole process is fully PLC controlled and the product is formed in one continuous process.


Product Characteristics
1¡¢Low thermal conductivity ,low thermal capacity.
2¡¢Excellent thermal insulation and deadening performances.
3¡¢Excellent thermal and chemical stabiliy

Main Specifications
Density£º80-130kg/m3 ¡¡
Thickness£º15-50mm¡¡
Width£º400¡¢600¡¢1200mm
Can be custom-made
Can be classified into aluminum silicate fiber roll felt and aluminum silicate fiber flat felt according to application.

Application
1¡¢Wall lining for industrial kilns ,heating equipment and high temperature pipes.
2¡¢Wall lining for chemical high temperature reactors and heaters.
3¡¢Fireproof and thermal insulation for high rise buildings.
4¡¢Thermal insulation for eliminating stress in welded work pieces and rregular metal castings.
5¡¢Thermal insulation for top cover of kiln doors and thermal insulation for glass melting furnace.

Technical Indexes

ltem
Aluminum silicate fiber roll felt
Aluminum silicate fiber flat felt
Bulk density(kg/m3)
120¡À5
130¡À5
Fiber diameter(¦Ìm)
3-5
3-5
Permanent linear shrinkage rate£¨%£©
-4
-3.9
Constant temperature for 24 hours
£¨1000¡æ£©
£¨1000¡æ£©
Slag nodule content£¨%£©¦µ£¾0.21mm
14.2
15
Heat conductivity under different hot surfaces(w/m.k)
0.034(20¡æ)
0.096(400¡æ)
0.132(600¡æ)
0.034(20¡æ)
0.095(400¡æ)
0.132(600¡æ)