Dry spread :Spreading the snow-melting into snow ground by man or machine directly .The reference to the amount of spreading is 30-50g/m2 below 50mm. It should increase the amount of spreading or times in the case of above 50mm or low temperature .
干式传播:将融雪剂撒进雪地,直接由人或机器直接传播。参考资料的数量是30-50g/m2,低于50毫米。在超过50毫米或低温的情况下,应增加传播时间或次数。
融雪速度快,投加剂量小,使用成本低。
2 氯化镁融雪剂:氯化镁含量:46%,适用于-30℃的低温环境