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15 2025-04: When producing modified bitumen, SBS modifiers have different structures. What factors should be considered when selecting modifiers?

In the production of modified bitumen, the following factors should be considered when selecting SBS modifiers:1. Modifier structure type: SBS modifiers are divided into linear structures and star structures. Linear SBS modifiers are easier to handle in terms of processing performance, while star SB

28 2025-03: What specific problems does modified bitumen solve in the application of airport highways?

In the application of airport highways, modified bitumensolves multiple specific problems, mainly in terms of improved pavement performance, durability and safety.First, modified bitumensignificantly improves the pavement's ability to resist deformation by increasing the viscosity an

22 2025-03: How to evaluate the improvement effect of modified bitumen on pavement performance in the application of airport highways?

In the application of airport highways, the improvement effect of modified bitumenon pavement performance, especially impact resistance and wear resistance, can be analyzed from the following aspects.First, the improvement of impact resistance can be evaluated by combining laboratory testing a

19 2025-03: In the production process of rubber bitumen, the control of temperature and time is important for the performance of the final product.

First, the control of temperature is directly related to the swelling and reaction process of rubber powder and matrix bitumen. According to reference information, the production of rubber bitumenneeds to be carried out at a swelling temperature of 165~175℃. This temperature range can effecti

17 2025-03: How to optimize the viscosity and strength of rubber bitumen by adjusting parameters?

In the production process of rubber bitumen, by adjusting parameters such as temperature and time, its viscosity and strength can be effectively optimized to meet the needs of engineering applications.First of all, temperature control is one of the key factors. In the production of rubber bitumen, t

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