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General refractory
产品描述
physical and chemical of fireclay brick
|
ltem
|
Index
|
||||||||
| N-1 | N-2a | N-2b |
N-3a
|
N-3b
|
N-4
|
N-5
|
N-6 | ||
|
Refractoriness
|
≥1750
|
≥1730
|
≥1730
|
≥1710
|
≥1710
|
≥1690
|
≥1670
|
≥1580 | |
|
oC Refractoriness
under load |
≥1400
|
≥1350
|
≥1320
|
|
≥1300
|
|
|||
|
%
Reheating Linear chang |
1400oC,
2h |
+0.1 -0.5 |
+0.1 -0.5 |
+0.2 -0.5 |
|
|
|
|
|
|
1350 oC,2h
|
+0.2
-0.5 |
+0.2
-0.5 |
+0.2
-0.5 |
+0.2
-0.5 |
|||||
|
%Apparent porosity
|
≥22
|
≥24
|
≥26
|
≥24
|
≥26
|
≥24
|
≥26
|
≥28
|
|
|
kgf/cm2 ccs
|
≥300
|
≥250
|
≥200
|
≥200
|
≥150
|
≥200
|
≥150
|
≥150
|
|
Physical and chemical of high alumina brick
|
Item
|
Index
|
|||
|
LZ-80
|
LZ-75
|
LZ-65
|
LZ-48
|
|
|
AI2O3，%
|
≥80
|
≥75
|
≥65
|
≥48
|
|
Mpa ccs
|
≥60
|
≥54
|
≥49
|
≥40
|
|
%Apparent porosity
|
≤22
|
≤23
|
≤23
|
≤22
|
|
oC Refractoriness under load
|
≥1520
|
≥1520
|
≥1500
|
≥1420
|
|
(1500 oC,2h)% Reheating Linear chang |
+0.1-0.4
|
+0.1-0.4
|
+0.1-0.4
|
(1450
oC,2h)+0.1-0.7 |
|
oC Refractoriness
|
﹥1790
|
﹥1790
|
﹥1790
|
﹥1790
|
Corundum proucts
|
properties
|
Brands
|
GY-85
|
GY-95
|
|
Chemiacl composition
|
Al2O3%
|
≥85
|
≥95
|
|
Fe2O3%
|
≤0.5
|
≤0.3
|
|
|
Apparent porosity,%
|
≤21
|
≤20
|
|
|
BD,g/cm3
|
3.0
|
3.2
|
|
|
Refractoriness, ℃
|
1790
|
1790
|
|
|
CCS,Mpa
|
≥80
|
80-90
|
|
|
RUL,℃
|
≥1530
|
≥1550
|
|
|
%
Variation of re-burning line （1550℃× 3h） |
0.3
|
0.2
|
|
Supert Millite-corundum brick
|
Properties
|
Specification
|
|
|
BD,g/cm3 , ≥
|
2.65
|
|
|
Chemiacl composition,%
|
Al2O3%
|
75-80
|
|
Fe2O3%
|
1.5
|
|
|
Refractoriness,≥ ℃
|
1790
|
|
|
RUL,≥℃
|
1600
|
|
|
CCS,Mpa
|
95-100
|
|
|
Apparent porosity,≤,%
|
18
|
|
|
Thermal shock Resistance cycles,≥
|
15
|
|
|
PLC（1600℃×3h），≤，%
|
1.0
|
|
Refractory for cement
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