Synthetic detergents in an important additives (see detergent YongZhuJi and auxiliary agent). Sodium tripolyph-osphate most used for synthetic detergents, a few used for food and industrial water softening. Used for XiDiPin auxiliaries, may also used for petroleum, metallurgy, mining, papermaking, water treatment, etc. For lubricating oil and fat has strong emulsification, can be used to adjust buffer soap PH value. Industrial water soft agent. Leather - agent. Dyeing auxiliaries.