• High Quality Mullite Insulating Bricks (wam 26) , Firebrick

High Quality Mullite Insulating Bricks (wam 26) , Firebrick

Refractoriness (℃): 1580< Refractoriness< 1770
Feature: Long Time Materials
Type: Refractory Material
Shape: Brick
Material: Mullite
Size: According to The Drawings
Samples:
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Basic Info.

Model NO.
wam28
Transport Package
Wooden Pallet
Specification
ASTM &JIS
Trademark
WAM
Origin
China
HS Code
6902200000
Production Capacity
8, 000, 000PCS/Year

Product Description

Insulating bricks characteristics and advantages:

1. Insulating bricks has Lower content of iron, alkaline and impurities, good high temperature properties.

2. Insulating bricks has Homogeneous structure, light weight, energy saving because lower heat storage in the furnace during cooling cycles.

3. Insulating bricks has High strength, good thermal shock resistance under high temperature.

4. Insulating bricks has Precise sizes due to grinding and shaping after firing, which meets the requirement of construction.
 

Physical and Chemical Properties of insulating  brick
           
Index /brand WAM-20 WAM-23 WAM-25 WAM-26 WAM-28 WAM-30 WAM-32
Classification temperature      o C                                    1230 1260 1350 1430 1540 1650 1760
F                  2246 2300 2462 2606 2804 3002 3200
Bulk density    kg/m 3 520 580 800 800 890 1030 1250
Ib/ft 3 32 36 50 50 55.5 64 78
Modulus of rupture  MPa                                0.7 0.9 1.4 1.5 1.6 1.7 2
Ib/in 2 102 131 203 218 232 247 290
Cold crushing strength     MPa                      1.2 1.2 2.0 2.0 2.6 2.8 3.4
Ib/in 2           174 174 363 348 377 406 493
Permanent Liner Change  %          -0.1 -0.1 -0.5 -0.5 -0.8 -0.9 -0.9
o C x hour 1230X24 1230X24 1350X24 1400x24 1510x24 1620x24 1730x24
    400 o C 0.17 0.17 0.24 0.24 0.30 0.40 0.49
Thermal conductivity 600 o C 0.19 0.19 0.28 0.27 0.32 0.42 0.50
(W/m. k) 800 o C 0.22 0.22 0.32 0.30 0.35 0.44 0.51
1000 o C 0.24 0.25 0.37 0.32 0.38 0.45 0.53
1200 o C   --   --   -- 0.35 0.39 0.47 0.55
Al2O3     % 45 45 45 55 65 72 76
Fe2O3   % 0.7 0.7 0.65 0.6 0.3 0.3 0.3
SiO2     % 50 50 50 42 33 26 22
TiO2    % 1.3 1.2 1.3 1.1 0.9 0.5 0.3
CaO+ MgO  % 0.5 0.7 0.6 0.3 0.2 0.3 0.2
K2O+ Na2O   % 1.0 1.3 1.1 1.1 0.8 0.2 0.1
The above datas are subject to normal manufacturing variations and change without notice. Results should not be used for specification purpose.

High Quality Mullite Insulating Bricks (wam 26) , Firebrick
High Quality Mullite Insulating Bricks (wam 26) , Firebrick
High Quality Mullite Insulating Bricks (wam 26) , Firebrick
 

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