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. Clay bricks for hot blast stoves are specified to have strong thermal shock resistance, high temperature when the load becomes soft, and low stress relaxation.

(1) Хаалтын нийт өргөн нь 0.25 мм-ээс хэтрэхгүй бол урт нь хязгаарлагдахгүй;

(2) Сэлсний нийт өргөн нь 0.26～0.50мм бол урт нь 30мм-ээс хэтрэхгүй байх ёстой;

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