Category: 4. Paints & Varnishes

Turpentine: Turpentine is used as a solvent in this type of varnish. This varnish dries quickly but is not weather resistant and is therefore only used for interior work. They are light colored.Spirit Varnish: Spirit varnish is also known as French varnish. This type of varnish uses methylated spirits of alcohol as a solvent. This…

A varnish may be defined as a homogeneous liquid consisting primarily of a resinous substance dissolved in a suitable oil or volatile liquid. The objectives of Varnishing are as follows:

It prevents decay and corrosion in metal.It is used to give a good shape to the surface.It provides a smooth surface.

Cement Paints: These include various types of paints in which cement is the main component responsible for the hardness and durability of the painted surface. They are available in dry, powder form. Cement paints are waterproof. It is important to apply cement paint on a rough surface rather than on a smooth surface as its…

These are volatile substances that are added to paints to make their application easier and smoother. Solvents help paint penetrate through porous surfaces. The most commonly used solvents are alcohol and turpentine. Solvents are also called thinners because of their function of thinning the original paint, which is extremely viscous. They are added to reduce…

These are coloring materials added to paint to give it the desired shade and color. They are added in a fine powder state.

These act as catalysts. These are substances that are used with a view to speed up the drying rate of the paint film. A dryer absorbs oxygen from the air and transfers it to the vehicle, causing it to harden. Driers can be in the form of either soluble drier or paste drier. Soluble desiccants…

Vehicles are liquid substances that hold paint components in liquid suspension. They mainly serve two purposes: To make it possible to spread the paint evenly and evenly over the surface in the form of a thin layer.Providing a binder for paint ingredients so that they adhere or adhere to a surface.

The base is the solid substance that forms the body of the paint and usually consists of finely divided suitable materials. It determines the character of the paint and provides stability to the surface. The function of the base material is to make the final film tough and flexible, prevent the formation of shrinkage cracks…

The paint was mixed with various ingredients in balanced proportions. The paint consisted of the following ingredients.