Water-Reducible Coating

Definition - What does Water-Reducible Coating mean?

Water-reducible coatings are waterborne or water-based coatings that include the well-known Latex products and the synthetic polymer-based products.

Water constitutes 80% of the solvent used to disperse the resin used to make the coating or paint. Its aim is to make the coating or paint easy to apply and also be environmentally-friendly. Water-reducible coatings are widely used due to their low volatile organic compounds (VOC) content (less than 3.5 pounds per gallon of water). They can be applied on wood (e.g., furniture) and plastic substrates.

Corrosionpedia explains Water-Reducible Coating

Containing water-soluble resin, a water-reducible coating completely dissolves in water and other solvents. A water-reducible coating contains organic co-solvents since it undergoes poly-condensation or polymerization reactions. It contains binders that can be used in the formulation of epoxy and alkyd resins.

Water-soluble coatings have the following qualities:

  • High gloss
  • High corrosion protection
  • Wetting and stabilization
  • Good pigmentation
  • Good flow and leveling properties
  • Good for porous materials
  • Good resistance to heat and abrasion
  • Low toxicity and flammability
  • Cleans easily with water or water-based solutions

Although it takes longer to dry, it produces an outstanding surface finish and protection. Heating and air movement devices decrease the curing time. It can be used in conventional application techniques and by spraying.

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