อิฐฉนวนแสงโพลีมัลไลท์

   

  Mullite Poly Light Insulating Brick is also called light mullite insulating brick or mullite thermal insulation brick. It uses high-quality bauxite clinker as the main raw material. The foam method or chemical method forms a porous structure. It is made of high-quality heat-preservation and heat-preservation brick made of plastic mud or slurry and fired at high temperature after extrusion molding.

 

 

1, the role of the additive
This additive is a composite additive composed of a variety of refractory materials, can promote the reaction of the type of reaction, in the poly-light mullite insulation brick firing stages play a good role in stabilizing the volume, and a series of physicochemical reactions, the generation of mullite phase.

2,Burning loss material
The burnt material used is polystyrene pellets and wood flour. Polystyrene ball for hydrocarbons, after firing in the lightweight mullite brick internal formation of spherical smooth spherical pores and large air holes in the solid high strength wall. The weakness of the ball is that the clay in the sphere easy to agglomerate, and can not form the pull, and therefore not conducive to the improvement of the strength of the body. The ball is allowed to add a limited amount, in order to effectively reduce the density of poly-light mullite insulation brick, without reducing the strength of the body.

3, the role of water reducing agent
Polylight mullite insulation brick molding method is wet plastic molding, mud moisture content is high, drying process of billet contraction, billet easy to crack and shrinkage of uneven. The addition of water-reducing agent effectively reduces the amount of water added to avoid the occurrence of the above problems.

 

 

 

 

 

 

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