Building materials are various materials used in building engineering. There are many kinds of building materials, which can be roughly divided into: inorganic materials, including metal materials (including ferrous metal materials and non-ferrous metal materials) and non-metallic materials (such as natural stone, burnt earth products, cement, concrete and silicate products, etc.); Organic materials, which include vegetative materials, synthetic polymer materials (including plastics, coatings, adhesives) and asphalt materials; Composite materials, which include asphalt concrete, polymer concrete, etc., are generally composed of inorganic non-metallic materials and organic materials.
Building functional additives are first of all, we introduce the use and classification of the most retarded soil construction engineering auxiliary products, and often say concrete auxiliaries.
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