Dr E. Ramanathan 1. Purpose and Importance in Surface Preparation Metal pretreatment refers to the series…
Category: Metal Pretreatment Chemicals
Role of Coalescers in Alkaline Degreasing Bath
by Dr E. Ramanathan PhD, Coating Consultant Coalescers in Alkaline Degreasing Baths: What They Are and…
Trivalent Chromatising Chemical
Colourless chromatising on aluminium is a surface treatment process that enhances corrosion resistance and provides a…
The Role of Sodium dihydrogen phosphate in Metal Pretreatment Chemicals
Dr E. Ramanathan Sodium dihydrogen phosphate (NaH₂PO₄) serves multiple roles in metal pretreatment chemicals, particularly in…
Desmutting Chemicals
Dr E. Ramanathan PhD Contents Desmutting is a chemical process used after acid or alkaline etching…
Aluminium Brightner Chemical
Dr E. Ramanathan PhD Difference Between Aluminium Cleaner and Aluminium Brightener Before attempting the brightener formulations…
Aluminium Cleaners
Dr E. Ramanathan PhD Aluminium — light in weight, strong in structure, and resistant to corrosion…
Aluminium Types and Selection of Cleaning Chemicals
Selection of cleaning chemical for different types of aluminium
Surface conditioner V2 formulation
Surface conditioner prior to zinc phosphating - two formulations compared
Surface Conditioner prior to phosphating
Dr E. Ramanathan PhD Surface conditioning is a pre-treatment step before zinc phosphating, aimed at enhancing…
Determination of Free acids and Total acids in phosphating bath
What is free acid? What is total acid? in phosphat coating bath solution
