Grodal HT 850 Description It is a chemically balanced mixture of chlorides for hardening of Corrosion resistant steels. Application : Hardening of corrosion resistant steels, tool steels such as 2% carbon and 12% chromium rust resistant steel, hot work steels etc. The Growel Advantage : Excellent Thermal and chemical stability. Trouble-free mixture. High purity, high grade chemicals. Less drag out Better operational performance. get a quote