Properties, instructions for applying and storing varnish KV-784

Professionals and do-it-yourselfers alike favor Varnish KV-784 for its exceptional qualities and adaptability. This varnish is well-known for its exceptional toughness, offering a strong shield that prolongs the life and improves the appearance of a variety of surfaces. When working with metal, wood, or other materials, KV-784 provides an dependable solution that guarantees a superior finish.

Varnish KV-784 is easy to apply, but for optimal results, make sure you follow the instructions exactly. To guarantee that the varnish adheres correctly, surface preparation, which includes cleaning and sanding, is usually required before applying the varnish. Applying even coats and using the correct tools—like brushes or spray equipment—can have a big impact on the result. A smooth, polished finish also depends on knowing how long each coat will take to dry and under what circumstances.

Varnish storage done right To keep KV-784’s efficacy and quality over time, it is essential. It’s crucial to keep the varnish out of direct sunlight and extremely hot or cold conditions. The varnish won’t dry out or get contaminated if the container is properly sealed after every use. You can increase the varnish’s shelf life and ensure that it will always be available for your next project by adhering to these storage guidelines.

In conclusion, varnish KV-784 provides a trustworthy and long-lasting coating for a range of surfaces. You can get great results and increase the varnish’s lifespan by adhering to the application and storage guidelines. Get the most out of KV-784, whether you’re a professional or a hobbyist, by being aware of its properties and how to handle it properly.

Property Details
Appearance Clear, glossy finish
Drying Time 24 hours for full cure
Application Method Brush or spray
Surface Preparation Clean and dry, free from dust and grease
Storage Conditions Cool, dry place away from direct sunlight
Safety Precautions Use in well-ventilated area, wear protective gear
Temperature Range Apply between 10°C to 30°C

The multipurpose varnish KV-784 is renowned for its toughness, glossy appearance, and protective properties. It is essential to apply it on clean, dry surfaces, using even, smooth strokes, and allowing enough drying time in between coats for optimal results. To preserve its efficacy, it should be stored properly in a cool, dry location away from harsh sunlight and temperatures. You can achieve a durable, polished finish on wood, metal, and other surfaces by adhering to these guidelines.


Perchlorvinyl resin makes up the majority of the chlorine-containing polymers used to make LKM KV-784. It is produced by chlorinating polyvinyl chloride resin until 62–65% of it is chlorinated. A fast-drying film of perchlorvinyl varnish is formed in the air and has improved wear resistance, water resistance, and hardness.

Included in the KV-784 varnish are also:

  • plasticizers;
  • dyes;
  • Organic solvents.

The following are some of the KV-784’s features:

  • 1 kV consumption. m of the working surface is 210-220 g;
  • layer thickness-18-20 microns;
  • The number of layers is 2 or 3;
  • The share of non -volatile substances is from 15 to 17% of the mass.

Russia is the producer of KV-784, as per GOST 7313-35. Primer and covering concrete building structures is the primary goal.

Lac possesses a certificate of conformance, which is a state registration certificate issued by Rospotrebnadzor’s Office of the Federal Service. The Center for Sanitary and Epidemiological Supervision has also produced a sanitary and epidemiological conclusion.

It’s produced in 0.5-liter glass bottles, 1-liter galvanized jars, 20-liter Euro-scenes, and 200-liter steel barrels labeled "white oak," "red tree," or other colors. Packaging might be any volume as agreed upon with the customer.

Application area

Concrete, reinforced concrete, brick, asbestos cement, and other mineral surfaces are all intended to be protected by LKM. As part of a complex coating, reddish-brown and black varnish are used. These colors are chosen specifically for each kind of aggressive medium in compliance with painting regulations. Multi-layer compositions utilizing KV-784 are applied to both prepared and unprepared surfaces.

High resistance to mechanical loads is a distinguishing characteristic of perchlorvinyl coatings. They also strongly object to atmospheric phenomena. They are functional between -30 and +40 °C. Coatings made of perchlorvinyl:

  • They are resistant to ultraviolet light;
  • Without losing characteristics, they withstand prolonged exposure to water;
  • They have high wear resistance.

Crucial! Synthetic detergents can be used to wash surface perchlorvinyl.

Enamel KV-785 is used with KV-784. In addition, it will be ensured that the coating is shielded from acids, alkalis, salts, and dangerous, aggressive gases like CO2 and SO2. +60 °C is the operating temperature.

Acids that may cause the coating’s integrity to be compromised:

The KV-784 varnish also serves to protect and tint the tree. The product is attached to a straightforward colorless varnish in case you need to obtain a lighter shade.

The following stand out as clear benefits of utilizing the KV-784 for wood processing:

  • resistance to water, weak solutions of acids, salts, alkalis;
  • Convenience in work – the varnish dries quickly, so the next layer can be applied after a short time;
  • The beauty of processed products – Toning emphasizes the natural color of wood.

The customer can request a color scheme with the widest spectrum to be used. In addition to the standard black and dark brown, other colors such as ivory, gray, and yellow are also utilized. White is the color used in accordance with the special requirement.

Preparation of surface and material

After completely mixing the varnish until the sediment is gone and the mass is homogenous, allow the bubbles to dissipate for a little while. One crucial factor is the composition’s viscosity:

  • when spraying with a spray gun – from 18 to 25 seconds;
  • when applying a roller or brush-25-30 seconds.

Regarding a note. Customers frequently ask whether the varnish should be diluted if it is too thick. GOST 7827 states that it can be diluted with toluene or solvents R-4, R-5 (as specified in the LKM instructions), as well as xylolol of the "Novybim" brand. The VZ-246 Viscimeter, which has a nozzle with a diameter of 4 mm, measures the varnish’s viscosity.

The material will determine how the surface should be prepared:

  • wood-remove the old LKM manually or, using solvents, make grinding with a grinder or sandpaper, pay special attention to hears and oil spots (they need to be completely removed), remove dust from the surface and primed by AK-069 or AK-070 compounds;
  • Concrete and reinforced concrete – dust and oil spots are removed, holes and cracks are sealed, primed by the same compositions;
  • metal – remove the old finish coating, cleaning the surface and anti -corrosion processing is carried out, and primer is applied.

Crucial! It only takes one primary layer of AK-069 or AK-070 to protect any kind of surface. Alternatively, you could apply KV-784 directly and then apply enamel XV-785 once it has dried.


There are various methods for applying the varnish:

  1. Roller – if a two -layer coating is assumed, the first layer is applied vertically, avoiding the flows. The second, after the first dries completely – horizontally stripes. In both cases, the overlap of the neighboring layers is the minimum.
  2. Swab – convenient for processing small surfaces or products. Dip the swab in the varnish and apply it to the product with light presses. Try not to allow the paces. After the first layer is completely dry, go through the product or surface again, but use less varnish.
  3. A brush is not the best way for applying varnish, or you need to purchase a very soft natural brush that will not leave strips and hairs.
  4. Using a sprayer – the optimal method on large surfaces in area. It is important to choose the right viscosity, otherwise the nozzle will quickly clog. If there are welding or technological seams, then they are stained with a layer in the form of a “strip” with a brush.

Crucial! Because of their high absorption, plastered, sand, or cement-sand surfaces receive two or three coats of varnish.

Security measures

Varnish fuel requires that you work in a well-ventilated space while wearing gloves and a respirator. If the product gets on your skin, you must use a solvent to remove it before washing your hands with warm water and soap.

Acetone or xylolol are used to remove any remaining varnish residue from the tools. Rags are discarded to prevent unintentional fires.

Varnish KV-784 is a multipurpose and long-lasting coating that is perfect for improving and safeguarding a variety of surfaces. Its strong adhesion, smooth, glossy finish, and outstanding resistance to environmental factors are some of its key characteristics. It is a well-liked option for both commercial and residential applications because of these qualities.

To get the best results when applying varnish KV-784, meticulous preparation and strict adherence to instructions are necessary. Make sure the surface is clean, dry, and devoid of any impurities before proceeding. For even application, use the right tools, such as brushes or sprayers, and allow the recommended drying times in between coats. This will facilitate the achievement of a faultless, durable finish.

Varnish KV-784 must be stored properly to preserve its efficacy and quality. Store it away from intense heat and sunlight in a cool, dry location. Make sure the container is well sealed to avoid contamination and evaporation. You can increase the varnish’s shelf life and guarantee that it will be ready for use in the future by adhering to these storage instructions.

To sum up, varnish KV-784 provides exceptional protection and a visually appealing finish for a variety of surfaces. You can get expert results that last a lifetime if you carefully follow the application and storage instructions. This varnish offers dependable performance and timeless beauty, whether it is used for a big project or a small do-it-yourself project.

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Daria Yakovlev

Interior designer, author of online color design courses. I will help you create a harmonious interior using color.

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