1. Soluble emulsion cleaning agent
可溶性乳化剂平日由乳化剂、土壤、溶剂、增洁剂、缓蚀剂和大批水构成。水的感化是使乳化剂消融,该清洗剂 在消融紧固件外表污物的同时,还给紧固件外表留下一层防锈膜。乳化清洗剂是一种稀释态的纯油产物,将其在 水中浓缩后便成为白色乳状液体。个中的乳化剂和洗濯剂可以抓牢油脂微粒,并将其溶入含有溶剂和油的清洗剂 中。
2、碱性清洗剂
碱性清洗剂由增洁剂和外表活性剂的碱土金属盐混杂配制而成,是一种运用最广的清洗剂。请求清洗剂的PH值在 7阁下。 此类清洗剂的增洁成分是氢氧化物、硅酸盐、碳酸盐、磷酸盐、硼酸盐以及无机螯和物。以上每一种 盐和外表活性剂,次要是包管干净后果,其次是经济性。
3、去污剂
去污清洗剂次要含有溶剂、外表活性剂和水。分歧于乳化清洗剂,是纯溶液,不是乳化液。它次要用做装备、紧 固件外包装的保护性清算。
4、分解清洗剂
分解清洗剂也是一种碱性清洗剂,和规范碱性清洗剂差别在于化学成分,规范碱性清洗剂本质上是无机的,而分解 剂则是含胺基物资的无机用剂。规范碱性清洗剂用来肃清单段清洗中的碱性残留物,并且照样较好的防锈剂。分 解清洗剂被用来停止中等难度的清洗,如清洗紧固件外表的淬煤油或淬火聚合物溶液。
5、酸性清洗剂
平日有硫酸、盐酸、硝酸和柠檬酸、醋酸等无机酸。关于高强度紧固件热处置前往磷化膜,今朝次要运用的是前 3种清洗工艺,但应避免氢的腐蚀。酸性剂应含有根底酸和避免腐蚀金属紧固件外表的缓蚀剂,以及进步肃清才能 的外表活化剂。然则关于肃清金属紧固件上的普通污物普通不必酸性清洗剂,平日都用碱性清洗剂。而对氧化皮 等特别附着物用酸清洗非常无效,最著名的工艺是酸浸。除轧制、焊接和热处置氧化皮层,影响电镀或油封质量 的外表氧化物、生锈和腐化产品,以及水渍沉淀物多是可用酸去除。
This article is from:http://www.newstar-china.com/
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