Salt loading precaution

Why slip barrier coat required before loading of cargo like salt / Urea.
White cargo like salt, urea directly affected by rusty brown colour. Rust formation on the hold will discolor the white cargo salt when it comes into contact. Hence before loading of such cargo proper treatment of hold which makes entire surface rust free must required. Uses of slip barrier coat Hold block on entire loading area of hold and bulkheads can prevent the salt / urea from coming in contact with the rusty surface.
Stock and direct supply point of Slip barrier coat is Visakhapatnam - Gangavaram, Kandla - Deendayal port, Mumbai, Chennai - Ennore, kolkata - Haldia, Fujairah - Dubai. 
Available packing : 25, 50, 210 Ltr DRUM
Approximate requirement of Slip barrier coat : only 2 Drums of 210 Ltr can cover 5 Hold area. For salt cargo, slip barrier coat can be applied after dilution. 1 drum can be diluted with 400 Ltr of water.