Phosphoric acid technical grade can be used to produce variety of phosphate, refractory clay and rust –proof coating;

工业级磷酸用作生产各种磷酸盐， 磷酸耐火泥， 涂料工业用作 金属防锈漆；

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Phosphoric acid is grouped as four kinds by its production method, that is agricultural grade, technical grade, food grade and semiconductor grade.

磷酸按生产方法可分为热法磷酸和湿法磷酸，按用途可分为农业级、工业级、食品级和半导体级磷酸。

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