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Ceramic Fiber Bulks

Main Composition: SiO2 + Al2O3 Application: Filling material

Capacity:3000 MT per month

Color:White/even

Package:Plastic bag inside,woven bag outside

Product Introduction

Ceramic fiber bulks are manufactured to be used as feed stock in manufacturing processes or other applications made of high purity composite raw materials, melted in the resistance furnaces and processed by blowing or spinning technology.

Features

1.Low thermal capacity.
2.Low thermal conductivity.
3.Excellent thermal stability.
4.Heat resistance.
5.Excellent sound absorption.

Application

It can be used for kiln car filling ,chimney filling ,kiln roller filling ,expansion joint filling.It can also be used as feed stock of ceramic fiber blanket, board, paper and textile.

Technical Data

Items
STD RCF Bulk
HP RCF Bulk
TEXTILE Bulk
CHOPPED Bulk
HZ RCF Bulk
Fiber Diameter(um)
3~5
Shot content(Φ≥0.212mm)(%)
≤15
≤15 
≤12
(Φ≥100mesh)≤10
≤12 
Chopped Length mm(inch)
203(8) 
203(8) 
203(8) 
203(8) 
203(8) 
Al2O3
≥44
≥45
≥45
≥45
≥34
Al2O3+SiO2
≥96
≥99
≥99
≥99
≥84
ZrO2
 
 
 
 
≥15
Fe2O3
<0.5
<0.5
≤0.3
 
≤0.3
Na2O+K2O+Fe2O3
<0.9
<0.9
<0.9
<0.9
<0.9
Classification Temperature(℃)
1260
1260
1260
1260
1260
Melting Temperature(℃)
1425
1575
1575
1575
1750
Thermal conductivity(W/m.k)
 
 
 
 
 
200℃
0.06
0.07
0.06
0.06
0.075
400℃
0.09
0.10
0.10
0.10
0.11
500℃
0.118
0.118
0.118
0.118
0.14
600℃
0.150
0.150
0.150
0.150
0.168

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