1. technical grade phosphoric acid may be used to produce variety of phosphates, electrolyte treatment liguids or chemical treatment liquids refractory mortar with phosphoric acid and inorganic coherent
2. it is also used as catalyst, drying agent and cleaner
3. in coating industr it is used as a rust-proof coating for metals
4.as a acidity regulator and nutrition agent for yeast food grade phosphoric acid may be applied to flavors, canned food and light drinkd as well as used in wine brewery as a nutrients source for yeast to prevent the reproduction of useless bacteria.