AAC Block are made of flyash (limeslag or sand) as main raw material,cement and lime as cementing materials,and aluminum powder as foaming agent.The main forming procedures are Material crushing,measuring,mixing,pouring,curing,cutting and steaming.As a new wall body material with the characteristics of light weight, heat preservation,energy saving,waste recycling, environmental protection and convenience etc,AAC Light-weight block is now emphatically promoted by the world.