A novel dustproofing agent for dyestuff was prepared by the addition of industrial fatty acid and glycol epoxide, which could produce a kind of emulsor.
采用工业脂肪酸和环氧乙烷加成法研制成乳化剂，进而获得一种新型染料防尘剂。
2
Exterior activator is ramification of emulsifying agent, dust - proofing agent, hydrous lanolin .
表面活性剂是乳化剂、 防尘剂、 含水羊毛脂衍生物。
3
Safety devices full safety cover for noise - suppression and dust - proofing. Emergency stop button.