Autoclaved AeratedConcrete(AAC)Brick is a light weight, multi-cell new constructionmaterial; the features include lower density, heat insulation,possibility, fire and acoustical resistant properties. AAC is madefrom silicon material(silica sand, or recycled fly ash) and calciummaterial (lime, cement), mixing with foaming additive (aluminumpowder),batching with, the reaction between aluminum and concretecauses microscopic hydrogen bubbles to from, expanding the concreteto about five times its original volume. It is made into themulti-cell silicate product by the processes of molding,pre-curing, cutting, evaporating and curing.

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