Salt bath is a atmosphere the parts are heated in. The commercial salt bath by Durferrit (Degussa-Germany) are used more than 50 years in Iran. To produce the salts like the imported salts are one of the first goals by GSCo. So They are produced last years and fortunately the imports are restricted.
The equal salts with imports salts are followed:
The Equal salts with Durferrit(Degussa)/Petrofer
For more information please refer to AFCo heat treatment guide book, 1381.
Consulting about heat treatment is one the GSCo services.