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DIFFERENCE BETWEEN PAINTING & COATINGS
- 11 June 2020
- Posted by: onlinecoatings
- Category: Blogs
Difference between Painting & Coatings
Maintaining Coating Integrity is a proven difficulty by Coating Engineers, Inspectors, and Managers in Oil, Gas, Petrochemical, and other allied Industries. Analyzing coating performance, enhancing physical appearance, the need for maintenance decisions shall be difficult for Coating professionals yet in Industries. Whether it’s painting or Coating, one must understand the differences, and principles during and after application.
So, what’s the difference between Paint or Coating? Various definitions are being prevailed in our coating industries with many inconclusive interpretations.
Paint = Appearance or Aesthetics
Coating = Corrosion protection and Performance
Painting: Simple definition of paint may be a liquid that is capable of drying and curing to endless and resilient film. The painting’s predominant purpose is to offer aesthetics and uniform finish which is additionally termed as “Decorative Purpose” only. This applied paint can give uniform finish, sort of colors, weatherproof (modern paints), and mud and stain-free painting. The importance of surface preparation is less in comparison with traditional coatings. Painting usually applied over finished concrete, gypsum, and non-importance steel materials (household items (i.e. Steel gate, house window, etc.,). Painting is often applied by brush, roller, or spray application methodology.
Examples: Acrylic, Waterborne Acrylic, Varnish, Oil-based paints, etc.,
Coatings: Regarding basic ingredients paint and coatings are almost identical. Where paint cannot do many performances, but the coating can do with additional ingredients. The choice of generic coating materials consistent with the sort of substrate, temperature, environment, performance, application methods, life cycle cost, and the various factors involved. In a simple definition, Coating is applied for Corrosion protection and other intended and specific purposes, but aesthetics is a smaller amount of importance in coating than painting. However, in the final coat, the importance of finish is demanded by many industries.
The applied coating can provide resistance from temperature, weather, environment, abrasion, impact, and corrosion. Additionally, the coating may provide flexibility, corrosion protection, water permeability, color retention, anti-skinning, anti-skid, and anti-fouling, etc.,
All paintings aren’t coatings, but in all coatings are considered as painting thanks to the superior performance with appropriate generic types. For Industrial Corrosion protection, Coatings are being applied and its performance evaluated periodically. Coating Inspector Program / Painting Inspector Program / SSPC PCI Training / FROSIO Surface Treatment
Examples: Epoxy, Inorganic Zinc Silicate, Polyester, Vinyl Ester, Heat resistant Silicone, etc.,
Written by: Venkat. R – HTS COATINGS, Director – Industrial Coatings Training & Certifications (SSPC / FROSIO / NACE / ICORR / BGAS Certified) – Coating Inspector Program / Painting Inspector Program / SSPC PCI Training / FROSIO Surface Treatment