How long does it take for asphalt tiles to awaken in high-rise buildings?
Natural asphalt is stored in the ground, and some of the formation of ore or in the crustal surface accumulation. Asphalt is mainly used for coatings, plastics, rubber and other industries and pavement and so on.
Asphalt is a waterproof moisture and corrosion of organic cementitious materials. Asphalt can be divided into coal tar pitch, petroleum asphalt and natural asphalt three: Among them, coal tar pitch is a by-product of coking. Petroleum asphalt is the residue after distillation of crude oil
Asphalt is composed of different molecular weight hydrocarbons and non-metallic derivatives of dark brown complex mixture, is a high viscosity organic liquid, was liquid, the surface was black, soluble in carbon disulfide.
The use of asphalt:
The main purpose is as infrastructure materials, raw materials and fuel, the scope of application such as transportation (roads, railways, aviation, etc.), construction, agriculture, water conservancy, industry (extractive industry, manufacturing), civil and other departments.
