products
YANGQUANMETALS & MINERALS
Refractory Mortars
basic information
Detailed parameters
Product profile:Fireclay Refractory Mortars
FIRECLAY REFRACTORY MORTARS |
||||||
Goods Brand |
NN-30 |
NN-38 |
NN-42 |
NN-45A |
NN-45B |
|
Refractoriness ( ℃) |
1630 |
1690 |
1710 |
1730 |
1730 |
|
Al2O3(%) min |
30 |
38 |
42 |
45 |
45 |
|
Cold bending strength (MPa) min |
after drying at 110 ℃ |
1.0 |
1.0 |
1.0 |
1.0 |
2.0 |
after burning at 1200℃x3h |
3.0 |
3.0 |
3.0 |
3.0 |
6.0 |
|
Refractriness under load 0.2 Mpa T2.0 ( ℃) min |
*** |
1200 |
||||
Shrinkage after reheating (%) max |
after burning at 1200℃x3h |
+1~-3 |
*** |
|||
after burning at 1300℃x3h |
** |
+1~-5 |
||||
Bonding time (min) |
1~3 |
|||||
Size (%) |
-1.0mm |
100 |
||||
+0.5mm max |
2 |
|||||
-0.074mm min |
50 |
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