Clay refractory bricks for hot blast stove

Clay bricks for hot blast stoves should be made of refractory clay as raw materials for wall-laying blast furnaces and hot blast stoves. Clay bricks for hot blast stoves are used for hot blast stoves, heat storage rooms and partition walls. 粘土レンガ for hot blast stoves are specified to have strong thermal shock resistance, high temperature when the load becomes soft, and low stress relaxation.

（1）破片の全幅が0.25mmを超えない場合、長さは制限されません。

（2）全破砕幅が0.26〜0.50mmの場合、長さは30mmを超えてはならない。

(3) Spalls are prohibited when the total width exceeds 0.50mm.