There are many knowledge about the crack sealing machine, for example, when should crack sealing, can all crack should be sealed and so on. As soon as cracks are noticesd and larger than 3 mm in width they should be sealed.
As far as time of the year goes, cracks should be sealed before the rainy weather hits. The idea is to keep water from penetrating into your sub grade layer of your asphalt. Crack sealing machine is used for pavement repairing and it suitable for highway,municipal road,airport runway,country road,neighborhood and factory road ,etc.
And crack sealing machine has durable, precise temperature control, no need of cleaning. The loop heating system can make the melted sealant from bottom to the top of tank, improving heat exchange rate, reducing waiting time and prolonging working time. Shanghai Doan Machinery Technology Co.,Ltd. gathered the top taalents to produce the crack sealing machine with best quality and professional knowledge.