- 2073 Magh
Ingredients of an oil bound paint
Short answer
Oil paint consists of a base (e.g. white lead, titanium dioxide) for body and opacity, a vehicle (linseed oil) to carry and dry to a film, pigments for colour, driers (litharge) to speed drying, thinners (turpentine) to adjust workability, and extenders (barytes) to add bulk.
Explain ingredients of an oil borne paint.
Oil paint is a mixture of pigment suspended in a drying oil and thinned with a solvent. Its ingredients are:
| Ingredient | Example | Function |
|---|---|---|
| Base | White lead, zinc white, titanium dioxide, red oxide | Gives body, opacity and covering power |
| Vehicle (carrier) | Linseed oil, tung oil, poppy-seed oil | Carries the pigment, spreads and dries to a hard film |
| Pigment | Iron oxide (red), chrome (yellow), carbon black, ultramarine | Gives colour |
| Drier | Litharge, red lead, manganese salts | Speeds up drying of the oil |
| Thinner (solvent) | Turpentine, mineral spirit | Makes the paint workable; evaporates after application |
| Extender (adulterant) | Barytes, gypsum, china clay | Adds bulk, reduces cost |
The mixture is ground to a fine paste. The paint dries by evaporation of the thinner and oxidation of the oil, forming a tough, glossy film.
✓ Answer checked by Claude Opus 5.5 (high effort)
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