Definition and characteristics of rubber powder modified bitumen
Rubber powder modified bitumen (bitumen Rubber, referred to as AR) is a new type of high-quality composite material. Under the combined action of heavy traffic bitumen, waste tire rubber powder and admixtures, the rubber powder absorbs resins, hydrocarbons and other organic matter in the bitumen, and undergoes a series of physical and chemical changes to moisten and expand the rubber powder. The viscosity increases, the softening point increases, and the viscosity, toughness, and elasticity of rubber and bitumen are taken into account, thereby improving the road performance of rubber bitumen.
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2023-10-16