Regarding the cracks problem of thermoplastic road marking paint-----3

     Surface cracks of the coating occur after the coating is applied, presenting irregular network-like cracks on the surface. These cracks are relatively shallow in depth, but often further develop into aging cracks, causing damage to the coating. To prevent surface cracking of the coating, one should start by selecting compatible resins and additives, and pay attention to controlling the construction temperature.

      Due to the aging of the markings, cracks have appeared. The deterioration of the surface material of the coating and the natural weathering process have caused the markings to develop cracks. These aging cracks are also caused by the long-term exposure of the marking coating to the road surface, subject to sun exposure, rain, seasons, day-night temperature differences, and seasonal temperature changes, as well as the action of ultraviolet rays, resulting in periodic expansion and contraction. The cracks caused by aging can only be prevented by choosing the appropriate coating. During the marking construction, the temperature must be strictly controlled to ensure the quality of the pavement treatment before construction and to prevent blistering.

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