Tag: Paints and Varnishes

Paints and varnishes are used to protect metals, timber or plastered surfaces from the corrosive effects of weather, heat, moisuture or gases etc. and also to improve their appearance.
Paints and Varnishes
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CLASSIFICATION
Paints in common use are classified as oil paints, water paints, cement paints and bituminous paints. There are some “special paints” used for special purposes e.g. heat resisting or fireproof paints, chlorinated rubber paints (for protection against acid fumes etc.) luminous paints (for visibility of painted surfaces in the dark) etc., etc.
VARNISH
Varnish is solution of resin in either oil of turpentine or alcohol. It dries after applying leaving a hard, transparent and a glossy film of resin over the varnished surface.

Varnish is applied : (i) to the painted surface to increase its brilliance and to protect it from the atmospheric action, (ii) to the unpainted wooden surface with a view to brighten the ornamental appearance of the grains of wood.

Learn

10.
PAINTS AND VARNISHES

10.1
General

10.2
Classification

10.3
Composition of Oil Paints

10.4
Characteristics of a Good Paint

10.5
Preparation of Oil Paints

10.6
Removal of Old Paint

10.7
Painting

10.8
Painting of New Wood Work

10.9
Repainting Wood Work

10.10
Painting Plastered Surface

10.11
Painting Iron or Steel Work

10.12
Defects in Painting

10.13
Enamel Paints

10.14
Lacquer

10.15
Fireproof Paint

10.16
Cellulose Paints

10.17
Alluminium Paints

10.18
Zinc Paint

10.19
Distempers

10.20
Varnish

10.21
French Polish or Spirit Varnish

10.22
Wax Polish

10.23
White Washing

10.24
Co lour Wash