Raw Materials :-

1. Pigments

• Provide color, opacity, and certain functional properties.
• Examples:
  • White pigments: Titanium dioxide (TiO₂)
  • Colored pigments: Iron oxide, chromium oxide, ultramarine, cadmium pigments
  • Black pigments: Carbon black
  • Special pigments: Metallic pigments (aluminum, gold), pearlescent pigments

2. Binders (Resins)

• Bind the pigment particles together and adhere them to the surface after drying.
• Types of binders:
  • Natural: Linseed oil, shellac
  • Synthetic: Acrylic, alkyd, polyurethane, epoxy resins

3. Solvents

• Help in dissolving the binder and adjusting the paint’s viscosity for application.
• Types:
  • Water: In water-based paints (latex or acrylic paints)
  • Organic solvents: Turpentine, mineral spirits, acetone, xylene (used in oil-based paints)

4. Additives

• Improve specific properties, such as drying time, texture, and durability.
• Examples:
  • Thickeners and rheology modifiers
  • Antifungal agents (e.g., biocides)
  • UV stabilizers and anti-yellowing agents
  • Anti-foaming agents

5. Extenders (Fillers)

• Improve paint coverage, durability, and reduce costs.
• Examples: Calcium carbonate, talc, silica, kaolin clay

6. Water or Oil (Base)

• Depending on the type of paint, either water (water-based paints) or oil (oil-based paints) is used as a base to carry the pigment and binder.

These materials are combined in precise formulations, depending on the intended application, environment, and surface to be painted.