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Method for manufacturing Sunrise refractory lightweight refractory brick

Sunrise Refractory Co., ltd. is a professional manufacturer and supplier of refractory products in China's refractory base. Our company is China's largest refractories manufacturers, Our major products are refractory bricks, insulating bricks, refractory castable, refractory mortars, high alumina brick, high alumina castable, ceramic fiber blanket, ceramic fiber board, alumina ceramics and other industrial ceramics.
Then, i will introduce you the Manufacturing Method of Lightweight Insulating Fire Brick.
1.Directly cut into block from natural porous lightweight protolith.
2.Use natural or manmade porous lightweight materials as the raw materials to make bricks.
3.Add combustible materials with burnability into pug, such as saw powder, carburizing rice husk, polystyrene light ball, or add into sublimating material, such as naphthaline, forming porous structure after burning up and volatilizing.
4.Add foaming agent into pug, such as rosin soap, getting porous structure after firing.
5.Add carbonate into pug, aluminite powder and hydrochloric acid, forming porous structure in virtue of liberation of gas from chemical reaction. Generally, adopt the second, third and fourth point.
Our sunrise refractory company assures it's customers, the commitment for supply of undisputed quality lightweight refractory bricks through it's modern facilities and experienced professionals through a philosophy of continual improvement. Our advantages also including about reliable quality, competitive price and prompt delivery, so that make our lightweight refractory bricks popular both at home and abroad. 
If you are interested in our products or have any question, please feel free to contact us for further information. We sincerely look forward to establishing a long-term mutually beneficial relations with all friends from around the world.