1. Changed the rheological properties of bitumen: SBS modifier can improve the viscoelasticity and ductility of bitumen, so that the pavement has better impact resistance, cracking resistance and abrasion resistance, thus extending the service life of bitumen pavement.

2. Increase the adhesion and viscosity of bitumen: SBS modifier can improve the binding force of bitumen and sand and stone, improve the strength and waterproof ability of bitumen mixture, and enhance the durability of bitumen pavement.

3. Reduce the temperature sensitivity of bitumen: SBS modifier reduces the needle penetration and softening point of bitumen, and expands the elastoplastic range, thus improving the flow deformation resistance of bitumen, improving the flat performance and rutting resistance of bitumen pavement, resulting in increased driving speed and reduced pavement maintenance.

In general, the application of SBS modifier can significantly improve the performance of bitumen pavement, improve the service life and durability of the road surface, and also improve the flat performance and rutting resistance of the road surface, providing better comfort and safety for driving.

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