Surfix ECO 100 Description Application: A phosphate-free new-generation nano-ceramic coating and substitute for iron phosphating. The Growel Advantage: The process operates at ambient temperature and does not generate sludge during reaction with substrate. It is free from phosphate, ensuring no damage is caused to the aquatic ecosystem if the solution is discharged into water bodies. It is suitable for a variety of substrates like Mild Steel, Galvanised Steel and Aluminium surfaces. It provides an ideal base coat for subsequent powder coating/painting. get a quote