Tel:+86-13183003859 / +86-13903828086 Sales：+86-371-86127177 / +86-371-86127178 Service Department：+86-371-69239469
Address: Dongdian Village, Chaohua Town, Xinmi City, Zhengzhou City, Henan Province
Clay refractory mortar is a high-quality refractory mortar made from high-quality clay clinker as the main raw material and adding several additives. It is mainly used for building Clay brick. It is divided into four grades: NN-30, NN-38, NN-42, NN-45 according to its physical and chemical properties.
Physical and chemical indicators:
|Al2O3 % ≥||30||38||42||45|
|Refractory ℃ ≥||1620||1680||1700||1720|
Flexural bonding strength
|Bonding time min||1～3||1～3||1～3||1～3|