Properties, purpose and methods of applying bitumen varnish brand BT-577

Bitumen varnish, especially the BT-577 variety, is an adaptable coating material with special qualities that allow it to be used in a wide range of applications. BT-577 is a widely used material in both industrial and residential settings because of its exceptional water resistance, durability, and protective qualities. This varnish is a well-liked option for shielding wooden and metal surfaces from wear, corrosion, and moisture.

BT-577 bitumen varnish’s main objective is to offer a strong, durable barrier against environmental factors. It creates a resilient, flexible film that sticks well to various surfaces, providing thorough coverage and security. This makes it perfect for a variety of applications, including wooden fences, metal structures, and pipelines. Its glossy, black finish gives it additional visual appeal and qualifies it for decorative use in some settings.

Bitumen varnish BT-577 is easy to apply, and different techniques can be used based on the project’s particular needs. Typical methods consist of dipping, spraying, and brushing. While spraying allows for quick and even coverage, brushing offers detailed control, and dipping ensures a thorough coating of small or intricate items. Each method has its own advantages. To get the best results, surface preparation is essential, regardless of the application method used.

It’s crucial to completely clean and dry the surface before applying BT-577. For the best varnish adhesion, any rust, dust, or old paint should be removed. After being ready, the varnish can be applied in even, thin layers, giving each coat enough time to dry. This guarantees a glossy, long-lasting finish that optimizes the varnish’s protective properties.

The composition of the material

Glaze BT-577 is manufactured in compliance with GOST 5631-79. The standard lists oil bitumen—the raw material used to make varnish—as well as organic solvents, mineral oils, asphalt, resins, and sequacacy. Synthetic additives are added to a varnish film’s composition to increase its sheen and speed up the drying process.

When dilutors are applied:

  • turpentine;
  • solvent;
  • White Spirit.

Based on this varnish, BT-577 paint is prepared by mixing 20% aluminum powder with 80% varnish. There are multiple steps involved in the product’s actual production. Bitumen, asphalt, and linen oil are first combined to create a varnish base. Additional ingredients are then added to this base to create varnish. Following standardization in the mixer, centrifugation cleaning, and filtration. Upon completion, the substance is transferred into receptacles, rendering it prepared for conveyance and application. A certificate of conformance is given to each batch.

Field characteristics

The GOST mentioned above determines technical characteristics.

The following specifications for the parameters are set forth for this material in this document:

  • The appearance of the coating is black, the structure is homogeneous, without wrinkles, ospin, craters;
  • Conditional viscosity according to the Viscimeter of the Z-246 at a temperature of +20 degrees-18–35 C;
  • The share of non -volatile components is 39%;
  • Drying time to 3rd degree at +20 degrees-24 hours, at +100 degrees-20 minutes;
  • Film hardness according to the M-3-0.20 U.e.;
  • film elasticity – 1 mm;
  • The resistance of the coating to the action of water at +20 degrees – 48 hours;
  • The resistance of the coating to the action of a salt solution of 3% at +20 degrees – 3 hours.

The material’s viscosity can rise by 10% while it is being stored; however, the indicator returns to its initial norm when the solution is being prepared. It is not regulated what color shade is used.

The main properties of varnish

The material has the following qualities because it is intended to shield metal products from harm: resistance to the effects of weather, including rain, snow, fog, and temperature fluctuations. Applying the product results in a coating that is frost-resistant, long-lasting under the sun’s rays, and unaffected by frequent exposure to water, including marine environments.

Varnish stops rust from spreading and shields other products and structures from corrosion. Additionally, it possesses antiseptic qualities; upon application, the growth of mold, bacteria, and fungus stops. Rot will be dependablely prevented from wooden surfaces.

The purpose of the material

The tool is widely used in agriculture, many industrial industries, everyday life, and construction. It works well on functional machinery and devices as well as goods that need to be transported and stored for up to six months. Agricultural machinery, which is designed for conservation, frequently covers this tool. Slate, brick, and other materials are frequently treated with varnish, but metal and wood surfaces should be the primary materials.

Examples of how the material is used:

  • wooden pillars and crowns of buildings (for the prevention of decay);
  • walls, floor, ceiling of cellars, basements for protection against moisture;
  • garages;
  • Pools.

Varnish can be used to give any surface, especially old ones, decorative qualities. It is joined by roller and sheet materials and has outstanding adherence to any base, making it suitable for use as an adhesive. Furthermore, the BT-577 varnish is used in the production of the same paint; this is an equally significant function.

The BT-577 brand of bitumen varnish is a multipurpose coating that is well-known for its superior waterproofing and protective qualities. This makes it perfect for concrete and metal surfaces that are subjected to inclement weather and moisture. Applying it with a brush, roller, or spray is simple, and it creates a glossy, long-lasting finish that is resistant to wear and corrosion. This varnish offers long-lasting protection and extends the life of the treated surfaces, making it especially helpful for roofing, pipelines, and underground structures.

Price and expense

The Kuzbasslak factor is the most well-known manufacturer. A number of other companies, including LKZ Koloty and Novytkhim, also produce the material. You must determine the necessary volume before making a purchase, accounting for the consumption of one square meter. The value of this indicator is roughly 0.15 kg/kV m. The amount given applies one coat of varnish. The manufacturer specifies that two-layer processing is required.

From 0.5 kg to 50 kg, there are BT-577 distinct packages available for purchase. Packaging costs range from 42 to 60 rubles for 0.5 liters, depending on the manufacturer; 1 liter costs 80 to 130 rubles, and 5 liters cost 515 rubles. Bigger packages yield higher profits; a 50 kg container will set you back between 3500 and 4000 rubles.

Mode of application

It’s crucial to consider the surface when preparing. In order to accomplish this, it is cleaned of rot, mold (if the object in question is a tree), rust, dirt, oil, salt, and fat (metal products). can be stained without first needing to be primed.

Solvents such as toluene, white spirit, and solvent are used to dilute the material if needed. A combination of these solvents is acceptable. After thoroughly kneading the varnish, let the air bubbles disappear for ten minutes.

When painting, they make use of:

  • rollers;
  • brushes;
  • Sprayers.

Additionally, the material can be applied by rolling or dipping; in most cases, this is done on tiny surfaces or specific details.

Other crucial guidelines for utilizing the BT-577:

  • Environmental temperature during painting work +5 … +35 degrees;
  • The drying time of surfaces is 24 hours at room temperature (+20 degrees), you can also dry at a temperature of +100 degrees for 20 minutes;
  • It is recommended to apply 2 layers of varnish, the drying period between them is similar.
Property Description
Color Black or dark brown
Purpose Protective coating for metal and concrete surfaces
Drying Time 1-2 hours to touch, fully dries in 24 hours
Application Methods Brush, roller, or spray
Durability Resistant to water, weather, and chemicals
Coverage 8-10 square meters per liter

The BT-577 brand of bitumen varnish is a dependable and adaptable protective layer that offers superior resistance to corrosion and water resistance. Its main objective is to protect different surfaces—such as concrete, wood, and metal—from environmental deterioration and moisture. Because of this, it is especially helpful in industrial, automotive, and construction settings where long-lasting protection is essential.

The remarkable property of BT-577 is its capacity to form a flexible, long-lasting film that clings well to various surfaces. Because of its flexibility, it resists peeling and cracking even when exposed to small surface movements and temperature changes. Furthermore, the varnish offers a glossy, smooth finish that protects the coated surfaces well and improves their appearance.

For both professionals and do-it-yourselfers, the BT-577 application process is simple and easy to use. Applying it with a brush, roller, or spray depends on the project’s particular needs. To get the best adhesion and performance, make sure the surface is clean, dry, and clear of any contaminants before applying. Applying several thin coats as opposed to one thick layer usually produces better results because it allows each coat to dry completely.

All things considered, bitumen varnish with the BT-577 brand sticks out as a useful and efficient way to shield surfaces from the corrosion and water damage that can harm them. It is a top option for a variety of protective coating requirements due to its strong protective properties and ease of application. For both commercial and residential renovation projects, BT-577 offers dependable performance and long-lasting outcomes.

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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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