Knowing the name of industrial salt does not mean that it comes from a combination of several substances or a chemical reaction; No; it is named industrial salt only for its high use of crushed salt in various industries.
All of these named industrial salt: rock salt extracted from mines or crushed salts with different types of aggregates produced in industrial salt factories. which is because directly usage of mineral salt(no refined) as table salt, for example, is not acceptable in kitchens. But the use of industrial salts as a raw material is common in many food and feed manufacturers.
Fishery salt: Coarse sorting from 2 to 10 mm
Code 06: 2 to 4 mm
Code 07: 2 to 8 mm
Code 18: 2 to 4 mm