| 1. | It can be antifogging agent in harbors , dust collection agent of road surface , fire - proofing agent of fabrics , protective agent and fining agent of aluminum and magnesium metallurgy , precipitant for lake pigments , raw materials for de - ink of waste paper and calcium salt 用作港口的消雾剂和路面集尘剂织物防火剂。用作铝镁冶金的保护剂精炼剂。生产色淀颜料的沉淀剂。 |