Primer-enamel ХВ-0278 on rust: characteristics, consumption, instruction

One of the most common methods for repairing metal surfaces today is enamel, which is presented to the attention of buyers in a wide range. As an example, you can consider the primer enamel ХВ-0278. This composition has the form of a suspension that contains among the ingredients fillers and pigments in a solution of a polymerization polycondensation resin and organic solvents. In the manufacturing process, modifying agents are added to the ingredients. As a result, the producers managed to obtain a mixture using which, it is possible to eliminate the need to purchase compositions that decorate the surface and transform rust. This helps to save not only the means, but also the strength when carrying out work. In addition, there is no need to wait too long between layers.

Purpose and Description

The aforementioned primer is used for painting cast-iron and steel products, as well as structures, on the surface of which the rust or scale residues are densely retained. The thickness of corrosion products can reach a value of 70 microns. During operation, the surfaces to be painted may be exposed to the atmosphere, aggressive vapors and gases, as well as salts and chemical reagents, with the only marking that their temperature should not exceed 60 ° C.

Primer-enamel ХВ-0278 can act as an independent or as a multi-layer coating together with weatherproof varnishes or enamels. This mixture stains the bases, the cleaning of which during the preparation phase may be difficult for certain reasons. This includes fences, garages or lattices. The composition is used in car repairs for priming the surfaces of wings and other parts that do not require decorative finishing.

For reference

Primer enamel ХВ-0278 is a composition that is a composition of three in one. The mixture combines the properties of not only enamel, but also the primer composition, as well as the rust converter. The coating can be applied to products that have been completely damaged by rust or scale. If the application is carried out in three layers, the structures after treatment can be operated in a cold or temperate climate. At the same time, the enamel layer will retain its properties for four years, as for the decorative properties, then this period will last 2 years.

Specifications

The ground-enamel ХВ-0278 has a color that is set by the samples, but the shade can have some deviations. The appearance of the film is uniform and even matt. Specialists may be interested in such characteristics as conditional viscosity. If a nozzle with a diameter of 4 mm is used and the temperature is approximately 20 ° C, this characteristic is equal to 30 for a black composition, while for a mixture of the remaining colors it is 40.

The mass fraction of substances in the non-volatile state of black primer enamel is 31%, for the remaining colors this figure is 37%. In the first case, the deviation may be 2%, in the second - 3%. If the enamel semi-finished product is grinded, then the degree will not exceed 40 microns. Up to grade 3 the composition will dry for an hour, this is true if the temperature of the external environment is 20 ° C with a deviation of 2 ° C on both sides.

The described primer for rust can have different hiding power, depending on the color. This indicator varies from 60 to 120 g / m ² . The film on the pendulum device has a hardness of 0.15. But the elasticity of the film does not exceed 1 mm when bending. When impact on the Y-1 device, the film strength is 45 cm.

additional characteristics

You may be interested in the degree of adhesion of the film, which is 2 points or less. The coefficient of conversion efficiency of rust is 0.7. The film is resistant to the static action of a solution of sodium chloride, this period will last for 72 hours.

Instructions for use: preparation before application

The rust primer described above should be applied to a previously prepared surface. To do this, it is cleaned from loose coating, scale or loose rust, dirt and oils. It is necessary to remove dust and degrease the substrate with a solvent.

Before applying the primer enamel, it must be mixed well. Use for this you can airless spray, roller or brush. When applied by means of a pneumatic spray, the mixture must first be diluted to the desired consistency. Metal products using priming enamel are covered in three layers, if the mixture will be used as an independent coating. If it is complex, then there will be enough two layers. When painting surfaces that are covered with dense, retained rust, to improve adhesion, the first developing layer should be applied, the thickness of which is approximately 15 μm. The thickness of each subsequent layer should be equal to the limit of 28 to 32 μm. The total thickness of the coating will be approximately 70-80 μm. Metal products are coated with priming enamel at an ambient temperature of -10 to +35 ° C. The single-layer coating will take approximately 110 g / m ² .

Additional recommendations for use

Primer-enamel ХВ-0278, the characteristics of which were presented above, should be applied at ambient humidity, which does not exceed 80%. If it is a question of painting products, it is permissible to dip them into the composition. After applying the first layer it should be left for 2 hours at a temperature of +20 ° C. All subsequent layers are applied with an interval of 1 hour.

It should be remembered that the material is flammable, therefore it is not allowed to work with it near open sources of fire. Staining is carried out in well-ventilated areas, the master should wear rubber gloves and use personal protective equipment. Primer-enamel ХВ-0278 gray should not enter the digestive organs, I should inhale the paint.

Cost of the composition

Priming enamel ХВ-0278, the price of which will depend on the capacity, is an anticorrosion protection. For one kilogram of the mixture will have to pay 118 rubles. This is true if you buy a 20-kg capacity. One kilogram of the mixture will cost 123 rubles, if you want to buy 25-kg packaging. In the first case we are talking about priming enamel, which belongs to the "Standard" class, in the second case the price is indicated for "Premium class".

Conclusion

The coloring of metal surfaces with the above-described primer enamel is a work in which a unique material is used. It is intended for metal structures, including large ones, which are operated under atmospheric conditions. It can also be about products with a complex profile, cleaning of which for some reason may be difficult.