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Aluminum Silicate Needle Punched Blanket Kiln Aluminum Silicate Needled Blanket High Temperature Aluminum Silicate Needled Blanket

  • Needle Punched Blanket

  • Tingertech

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Product Description

Aluminum silicate felt is made of coke gemstone as the main raw material, which is made in the processes of melting, spinning (adding an appropriate amount of binder during the spinning process), curing in the curing chamber, and cutting. The whole process is automatically controlled by PLC, and the product is a thermal insulation material formed at one time. According to different uses, it is divided into aluminum silicate fiber roll felt and aluminum silicate fiber flat felt.


Standard Type High Purity Type Needle Punch Type High Purity Type Needle Punch Type
Classification temperature(℃) 1260 1260 1360
Operating temperature(℃) 1050 1100 1200
color white white white
Bulk density(kg/m3) 260
320
260
320
260
320

Line shrinkage (%) (body temperature 24 hours, bulk density 320kg/m3) -3
(1000℃)
-3
(1100℃)
-3
(1200℃)

Thermal conductivity at each hot surface temperature (w/m.k) Bulk density 285kg/m3) 0.085(400℃)
0.132(800℃)
0.180(1000℃)
0.085(400℃)
0.132(800℃)
0.180(1000℃)
0.085(400℃)
0.132(800℃)
0.180(1000℃)

Compressive strength (Mpa) (10% shrinkage in thickness direction) 0.5 0.5 0.5
Chemical composition (%) AL2O3 46 47-49 52-55
AL2O3+SIO2 97 99 99
AL2O3+SIO2+Zro2 - - -
Zro2 - - -
Fe2O3 <1.0 0.2 0.2
Na2O+K2O ≤0.5 0.2 0.2
Product size (mm)

Common specifications: 600*400*10-5; 900*600*20-50

Other specifications are made according to user requirements


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