The Mullite Insulating Fire Brick (WAM-28) , Refractory Brick

Refractoriness (℃): 1580< Refractoriness< 1770
Feature: Long Time Materials
Type: Refractory Material
Shape: Brick
Material: Mullite
Size: According to The Drawing
Samples:
US$ 0/Piece 1 Piece(Min.Order)
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Basic Info.

Model NO.
WAM-28
Transport Package
Carton, Wooden Pallet
Specification
SGS&ISO
Trademark
WAM
Origin
China
HS Code
69022000
Production Capacity
8, 000, 000 PCS/Year

Product Description

Mullite insulating bricks characteristics and advantages:
1. Lower content of iron, alkaline and impurities, good high temperature properties.
2. Homogeneous structure, light weight, energy saving because lower heat storage in the furnace during cooling cycles.
3. High strength, good thermal shock resistance under high temperature.
4. Precise sizes due to grinding and shaping after sintering, which meets the requirement of construction.
5. Max service temp: Up to 1730C (3160F)
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.


The Mullite Insulating Fire Brick (WAM-28) , Refractory Brick

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