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Asphalt modifier is composed of multiple components, mainly including the following:

Polymers: Common polymer modifiers include SBS (styrene butadiene rubber), SBR (styrene butadiene rubber), EVA (ethylene vinyl acetate copolymer), etc. These polymers can increase the viscosity and elasticity of asphalt, and improve its aging resistance and durability.

Elastomers: Common elastomer modifiers include rubber powder, polyurethane, etc. These elastomers can increase the flexibility and elasticity of asphalt, improve its crack resistance and durability.

Additives: common additives include antioxidant, anti-aging agent, tackifier, tackifier, etc. These additives can improve the oxidation resistance and aging resistance of asphalt, increase its viscosity and viscosity, and improve its durability and stability.

Filler: Common fillers include mineral powder, stone powder, sand, etc. These fillers can increase the volume of asphalt, improve its mechanical properties and stability.

The above are the common components of asphalt modifiers, and different combinations of modifiers can be adjusted according to specific needs and application areas.