Application and properties of varnish

Along with emulsion paint, varnish is one of the most common coatings in private households. In public buildings – this material can be used in a wide variety of ways. Learn from painter.org more about paints and their properties!

Application and properties of varnish

With the use of varnish, the treated material is visually beautified and protected from damage. © Painter.org

Instead of ordinary emulsion paints, varnish is being used more and more frequently – also indoors for the design of walls and ceilings: a coating of varnish provides a resistant finish that also offers visual appeal. Due to the large number of paints available today, the right product is offered for a wide variety of applications.

Fields of application and use of varnishes

Varnish is now used in numerous different applications. The outside of car bodies are coated with varnish, and the material is also used in the medical field: The coating of film-coated tablets is made of a non-toxic, compatible varnish. In addition, the walls of living rooms and utensils made of wood or metal are also painted with the thin liquid substance. Even in art, varnishes are used again and again. In addition, machinery, facades and furniture can be painted – the range of applications for this coating material is thus very broad. Varnish is available in liquid. Available in powder form. This is how the material is applied to the substrate and forms a thin, solid film. Depending on their composition, most paints consist of binders, fillers, pigments, solvents, resins or acrylates. Paint colors are very color-intensive. Can be slightly transparent or non-transparent. The various products also offer special properties – some varnishes are, for example, water-repellent or UV-resistant. As with ordinary wall paints, there can be qualitative differences in the products and in the processing of varnish, which is why an experienced guild painter should always be consulted when buying and using it.

Tasks

Due to their properties, paints perform some important tasks and fulfill important requirements that can contribute to improving durability and a more beautiful appearance. The most noticeable feature of most varnishes is the change in appearance when a substrate has been coated with it. Today, paint is available in a wide variety of colors. Can even be applied as a slightly transparent coating. However, the coating also fulfills other tasks: The robust character of the coating provides the underlying material – usually wood or metal – with additional protection. It also significantly reduces wear and tear on everyday objects. Due to the wide range of different products. models, the paint can be matched to a specific problem. The special composition of floor paint, for example, ensures that the floor is less slippery. Heat-resistant coatings and products with integrated rust protection are now also available.

Differences from ordinary paint

In principle, ordinary emulsion paint also consists of the same ingredients as varnish: solvents, pigments, fillers, pigments and binders are found equally in both materials. A major difference is found in the surface of the two coatings, because while emulsion paint is matte after drying, an applied varnish usually has a glossy appearance. Unlike ordinary paints, varnishes consist of a significantly higher proportion of binders, while emulsion paints have a high pigment content.

Acrylic varnish or synthetic resin varnish?

In addition to the various uses of varnishes, the knowledgeable guild painter distinguishes between acrylic varnish and synthetic resin varnish.

Advantages and application of acrylic varnish

Acrylic paints are water soluble – here the water acts as a solvent. Thus, they are particularly environmentally friendly. Form a solid coating after evaporation of the water. No unpleasant odor occurs during application. In contrast to solvent-based paints, acrylic paints are also much gentler on the health. When it comes to application, acrylic paints are characterized by particularly pleasant handling and their suitability for numerous surfaces: Wood, metal as well as walls and ceilings can be treated with it without any problems. It is important here that the substrate is prepared by a professional, as only in this way can the acrylic paint show its strong adhesive properties. After application, the brushes and rollers can be easily washed off with water thanks to the water-soluble nature of this paint. However, this type of painting is not so shock resistant. Resistant like synthetic resin varnish. The drying time is somewhat shorter.

Synthetic resin varnish

Synthetic resin paints consist of the eponymous synthetic resin, which is made from mineral oil. Thus, this varnish is environmentally and healthwise questionable: The contained solvents are highly volatile and leave an unpleasant smell in the room even after painting. Although this paint requires a little more time to dry, this benefits the properties of the coating: the great advantage of this coating is thus in the application and properties, because the walls and materials painted with synthetic resin paint have a pronounced resistance. Thus, when applying synthetic resin paints, a resilient, scratch-resistant and durable result is achieved, but care should be taken that the treated room is carefully ventilated – furniture and other objects can also be treated outdoors.

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Painting with varnishes

In principle, the painting of walls, furniture and objects should always be done by a professional: Laypersons often do not know about the special properties of the chosen product and quickly forget to ventilate the room sufficiently or to let the material dry properly. The handling of the material, which is often very thin, can also cause problems. When choosing a professional, you should therefore choose a guild painter, because his membership in the guild distinguishes him by competence, experience and expertise. These skills are absolutely necessary for the processing and application of varnish to obtain a uniform and durable result. The professional applies a possibly necessary primer. Subsequently, the desired paint color on. He can also remove existing paint if necessary.

In addition, you should not skimp on the purchase of the material, because high quality pays off not only when painting: High-quality paint is more robust and better to work with than cheap products. Here too, however, your specialist from the guild can be of assistance to you.

Conclusion

Today, paints can be found in countless areas of application: Cars, building components, walls and ceilings as well as everyday objects and furniture can be painted. This special paint gives the substrate a solid, scratch- and impact-resistant coating that will last for many years. A basic distinction is made between synthetic resin paints and acrylic paints, the latter being particularly environmentally friendly – they are based on the fact that water acts as a solvent. Synthetic resin paints are used when a particularly resistant coating is required. When applying the paint, a guild painter should always be consulted, because unlike do-it-yourselfers, they have the necessary knowledge about proper handling and extensive knowledge regarding the properties of paint.

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