Product |
High strength alkali-resistant refractory castables |
Special alkali-and acid-resistant refractory castables(provincial new product) |
High temperature alkali-resistant refractory castables |
Brand |
JC-13NL |
JC-T130 |
JC-14N |
Maximum service temperature |
1300 |
1350 |
1400 |
Bulk density    (kg/m3)
|
110?漯span>×24h≥ |
2100 |
2200 |
2200 |
Chemical composition (%) |
Al2O3≤ |
48 |
48 |
≥45 |
SiO2≥ |
50 |
45 |
?? |
Cold crushing strength(MPa) |
110?漯span>×24≥ |
70 |
80 |
80 |
1100?漯span>×3h≥ |
70 |
80 |
80 |
Cold modulus of ruptuer   (MPa) |
110?漯span>×24≥ |
7 |
8 |
8 |
1100?漯span>×3h≥ |
7 |
8 |
8 |
Linear change after heating(%) |
1100?漯span>×3h≥ |
-0.1~-0.5 |
-0.1~-0.3 |
+0.4~-0.4 |
Thermal conductivity (W/(m.k)) |
350?漯span>≤ |
0.87 |
0.90 |
0.90 |
Test method of alkali resistance   JC/T808-1987 |
First grade |
First grade |
Second grade |
Test method of alkali resistance (%)
JC/T808-1987
|
?M |
94 |
?M |
Reference water addition for construction(%) |
6.5~7.5 |
6~7 |
6~7 |
Construction method |
Vibration |
Service area |
1-3stage Preheater |
It is used in the new type dry kilns capable of incinerating garbage.The service areas are the same of that of - 13NL,as well as flue,lower part of chimney,monolithic working lining,etc. |
An updating product of JC-13NL |
Properties |
1??-13NL??Alkali cracking resistant,high strength,energy-saving,good monolithic property.                                                                                                                             2??-T130:Alkali and acid resistant ,better performance and longer campaign life than -13NL                                                                           3??Refractory steel fiber can be added as request and "steel fiber reinforced" shoud be added in front of the product name,and the brand name shoud be JC-13NLF,-T130F and -14NF.                                                                                                                                                     4??See the construction techniques for refernce. |