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Function of varnishes

Short answer

Varnish protects surfaces from moisture, dust and wear while enhancing the natural grain and colour. It provides a hard, glossy, washable finish and preserves painted surfaces.

What is the function of varnishes?

Varnish is a transparent protective coating of resin dissolved in a solvent. Its functions are to:

  • Protect timber and other surfaces from moisture, dust and wear.
  • Show and improve the natural grain, colour and beauty of the surface.
  • Give a hard, smooth, glossy and washable finish.
  • Preserve painted surfaces and make them last longer.

✓ Answer checked by Claude Opus 5.5 (high effort)

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