Fire bricks, Usage : In kilns and furnaces

We are offering cheap high aluminum refractory arch sk32 sk34 sk36 sk38 brick fire clay brick
product description
specification
item fire clay brick
shape brick
material clay
sio2 content (%) 10%~60%
al2o3 content (%) 30%~80%
mgo content (%) 0.22%
cao content (%) 0.28%
refractoriness (degree) common (1580°
cro content (%) 0.1%
sic content (%) 0.2%
colour cream yellow
standard size 230*114*65,others as your request
density 2.0gcm3~2.2gcm3
porosity 16%~26%
ccs
30mpa~70mpa
item
index
sk-30
sk-32
sk-34
sk-35
al2o3 %
30
35
38
45
fe2o3 %
2.5
2.5
2
2
refractoriness(sk)
30
32
34
35
refractoriness under load, 0.2mpa, (°c )
1250
1300
1350
1400
apparent porosity (%)
22-26
22-26
20-24
20-22
bulk density (gcm³)
1.9-2.0
1.95-2.1
2.1-2.2
2.15-2.22
cold crushing strength (mpa)
20
25
25
30
thermal expansion at 1000°c (%)
0.8
0.6
0.6
0.5
feature
low thermal conductivity, good thermal insulation performance.
Long service life, easy operation, could be shaped freely
product specification: standard form, normal standard, shaped and special shaped bricks.
Can be used in various kilns because of its cheapness and general tray package. Among all of the refractory materials, it is the most widely used.
Applications
carbon bake furnaces in the aluminum industry
preheat zones and cyclones of rotary cement kilns
insulation for glass tanks
fireplace and pizza ovens
coke ovens
blast furnaces
reheating furnaces
suspended roofs
lime kilns
chimney