亚洲天堂在线视频观看,无码人妻视频一区二区三区,精品丰满熟女一区二区蜜桃,国产熟女内射OOOO,美女100%露身体无挡视频

PBTCA is one of the most effective and widely used agents as scale and corrosion inhibitor. It is the excellent stabilizer for zinc salt as well. It is widely used in circulating cool water system and oilfield refill water system as scale and corrosion inhibitor, suitable to composite with zinc salt and copolymer. It can be used under conditions of high temperature, high hardness, high alkali and high concentration index. In lavation fields, it is used as chelating agent and metal detergent.
 PBTCA is usually used together with zinc salt, copolymer, organophosphine, imidazole and other water rreatment chemicals. When used alone, the dosage of 5-15mg/L is preferred.

Acidity. Avoid contact with eye and skin. In case of contact, flush with water immediately.

25kg/250kg net in plastic drum. Storage for twelve months in shady room.