Use of chemically foamed concrete
Chemical reactions are used to create gas in cement. This is to turn cement into cellular porous material. Chemically foamed concrete is a form of cement that uses chemical reactions to foam cement materials.
Board of insulation made from chemically foamed cement
Chemical foamed concrete is the process of chemically reacting with the cement to release gas. This cement is unique because it doesn’t require any mechanical processes and generates large numbers of bubbles by chemical reactions. For the reaction to occur, the agent must be fully mixed with the cement compound material. It takes about 5-15 minutes to foam, and foam cells are honeycomb-closed after foam molding.
Foaming agent classification
You can divide them into chemical foaming and physical foaming. Non-toxic and non-combustible are the requirements for any physical foaming agent. Commonly, physical blowing agent include nitrogen, carbon, hydrogen, hydrocarbons and freons. Chemical blowing agents, on the other hand, are substances capable of releasing gases like nitrogen or carbon dioxide when heated. For chemical blowing agents, the requirements are that the gas released from decomposition is non-toxic, not-corrosive and non-combustible. It should also have minimal effect on molding, physical and chemical properties. It is essential to control the gas release rate and ensure that the foaming agents are well dispersed in the plastic. Inorganic foaming agents such as sodium bicarbonate and ammonium carbonate and organic foaming agents such as azoformamide and azobisisobutyronitrile are widely used.
A new insulation board
A new form of heat-saving and fireproof insulation is cement foamed thermo insulation board. This insulation board is mostly made from silicates and other inorganic phase-change materials. This is combined with multifunctional additives, chemical foaming agents, and special fibers. The new thermal insulation board is made using chemical foaming and pouring. It has many advantages, including good thermal insulation performance and lightweight, shock resistance and good relative strength.
The cost of
Use foaming agents
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