2023/10/26 10:32:04
How to ensure the high temperature function of solid asphalt without reducing its low temperature function, cable asphalt manufacturers may at least not have negative impacts, and many research institutions attach great importance to content optimization.
In the past two years, the concept of mixed modified blue coating has attracted great attention, usually referring to the use of two or more modifiers to modify the main asphalt to obtain a superior combination of high temperature and low temperature, usually SBS and natural asphalt to modify journey petroleum asphalt.
Experiments have shown that a reasonable ratio of SBS to stone asphalt can achieve a softening point of over 70 ℃ when injecting modified asphalt up to level 30 (which is a height that natural modified asphalt from cable asphalt manufacturers cannot reach).
In addition, this combination modified asphalt has good low-temperature delay function, and all samples can meet the technical requirements of JTG F40 № 30 asphalt. Even after short-term aging, it can still maintain a certain 5 ° C delay and excellent 10 ° C delay, which is the delay effect. This is something that cannot be reached by 30 asphalt and natural asphalt modified asphalt.
Correspondingly, the PG functional grade of this composite modified asphalt has also been comprehensively improved, with a high temperature grade of over 82 ℃ and a low temperature grade of -16 ℃. Compared with general No. 30 asphalt and natural modified asphalt, it has better overall high temperature and low temperature functions. If you have any other questions, please refer to the official website of the cable asphalt manufacturer or contact us directly.
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Qingzhou Tianyi Chemical Co., Ltd 鲁ICP备2022002134号-3