欧美极品少妇性运交 I www网站在线免费观看 I 秋霞无码久久久精品交换 I 青青草原免费视频在线观看 I 上司侵犯一区二区中文字幕 I av免费资源在线观看 I 国产精品久久久久久nⅴ下载编辑 I 国产av午夜精品一区二区三 I 毛片aaaaaa I 深夜免费视频 I 久久精品国产999大香线蕉 I 国产精品视频白浆免费视频 I 伊人蕉久 I 久久91精品国产 I 日韩欧美国产二区 I 精产国品一二三产区蘑菇视频 I 天天综合视频 I 国产亚洲精品日韩 I 午夜福利18以下勿进免费 I 曰韩黄色片 I 色婷婷精品大视频在线蜜桃视频 I 欧美电影一级 I 在线视频免费无码专区 I 亚洲 自拍 欧美 日韩 丝袜 I 欧美大浪妇猛交饥渴大叫 I 女人高潮喷水毛片免费 I 欧美精品网站在线观看 I 五月天狠狠干

The molecular formula of the sulfamic acid is NH2S03H. Commercial goods for the white powder, at room temperature, as long as the dry does not contact with water, solid sulfamic acid is not moisture, relatively stable. Amino sulfonic acid aqueous solution with hydrochloric acid, sulfuric acid and other strong acid, so alias called solid sulfuric acid, it has a non-volatile, odorless and very small toxicity to the human body characteristics. Aminosulfonic acid aqueous solution on the corrosion of iron is slow, can add some sodium chloride, so that the slow production of hydrochloric acid, which effectively dissolve iron scale. Aminosulfonic acid aqueous solution can remove iron, steel, copper, stainless steel and other materials produced by the surface of the equipment scale and corrosion products. In addition, it is the only acid that can be used as a galvanized metal surface for cleaning.
Aminosulfonic acid cleaning agents use a wide range, can be used to clean the boiler, condenser, heat exchanger, jacket and chemical pipeline. In the brewery with it to remove the glass lining tank, pot, open beer cooler, beer barrels on the scale; cleaning enamel factory evaporator, and paper mill equipment; in the air can remove the cooling system, evaporative condenser The use of it, can clean the copper pot, radiator, tableware washing mechanism, silverware, flush toilets, tiles, and so on. It can clean the seaweed evaporator (distillation equipment), heat exchanger and salt water heater. Food and milk cooler equipment; can remove the protein deposited on the digester and fresh meat, vegetables, cheese processing plant used in the disinfection of the sediment on the Lu. US Department of Agriculture to allow ammonosulfonic acid used in fresh meat, poultry, rabbits, eggs processing enterprises for acid cleaning agent.