Primer review GF-021

Construction, surface pretreatment for decoration, repair - these are the associations that appear in our memory when we hear the word “primer”.

Primers are transparent, sometimes colored, water-polymer suspensions or suspensions based on organic resins that are able to level and strengthen the surface layers of primed surfaces. In other words, primers are needed for preliminary preparation of surfaces for decorative finishing. Thanks to the primer, the quality of the repair, the life of the product are improved, and money is saved.

Primer GF-021 is the most common and affordable material designed for preliminary surface finishing for painting. It is used not only by knowledgeable people for the treatment of rooms and facades, but also in industrial enterprises this composition has found application, in particular, as anti-corrosion protection and for pre-treatment of electric motor housings.

In fact, the popularity of this primer is not accidental. In the article, we will examine in detail what the primer GF-021 is, what are its advantages over other similar materials, in which cases it is worth buying and how to apply this coating correctly.

Primer Benefits

In order to understand what type of LKM the primer GF-021 belongs to, it is worthwhile to understand the marking of paints and varnishes according to GOST 9825 Paint and varnish materials. According to this document, our primer refers to alkyd glyptal primers, which means that it is a suspension of pigments, substances that accelerate drying, and other fillers in glyptal varnish.

The specified composition determines the main technical characteristics of the primer GF-021, as well as its properties.

What properties of the primer GF-021 made it so popular among consumers?

• Universality.

A great advantage of GF-021 over other soils is its versatility, wide scope. In particular, it is compatible with various types of paints. Various types of enamel (AS, MS, PF, GF, KO, AK, KhV) and almost all other types of paints are qualitatively laid on this primer. In addition, the primer goes well with any plaster, glue, putty.

Primer GF-021 is well suited for priming wooden surfaces and metal products. It can be used for outdoor and indoor work. Experienced builders apply the primer GF-021 for processing surfaces made of plastic, brick, chipboard. However, surfaces that were previously plastered, as well as from gypsum, do not cover with such a primer - they become fleecy. And the primer can be conveniently used as an independent finishing material.

• The ease of coating and the convenience of working with the material often have a big impact on the result of the work.
• Price-quality ratio. Some time ago, GF-021 became a worthy competitor to imported soils of well-known foreign brands due to its good price-quality ratio. As you know, its value is very important in the choice of material. We all know that avaricious pays twice, however, buying a primer GF-021, you get a quality product at a very affordable price.
• Anticorrosion properties. Primer GF-021 has good anti-corrosion properties, unlike acrylic primers.Due to this, this material is suitable as a preparatory coating for painting with enamels, which are not able to withstand corrosion to a sufficient extent.
• Coating strength. The strength of the coating formed by any paintwork material is associated with the concept of adhesion.

Adhesion - reliability of adhesion of paintwork materials to the base. This is an indicator of the quality and stability of the coating along with some other technical characteristics. Subject to all recommendations for cleaning and degreasing, the soil GF-021 has a very high adhesion (at least 1) to the surface to be painted as well as to the material that is applied to it. The film formed on the surface during priming has sufficient resistance to the action of nitro enamels, mineral oils. GF-021 is resistant to temperature drops in a wide range from -45 to +60 degrees, as well as to the influence of adverse weather conditions, which allows it to be used in indoor and outdoor work.

Technical characteristics of the primer GF-021

Manufacturers at a Glance

There are a large number of factories that are engaged in the manufacture of coatings, including primers. The manufacture of the primer GF-21 should be carried out in accordance with the requirements of GOST 25129-82. Information about this is usually indicated on the packaging (jar, barrel, bucket). If there is no data on GOST, most likely the primer is made according to the internal technical specifications of the enterprise, which does not guarantee its quality. It is best to buy soil, however, like any other material, the manufacturer of which is ready to provide a product passport, a certificate of conformity and a hygienic certificate - a document that confirms compliance of materials with safety requirements in accordance with GOST, technical conditions and other regulatory documents. After all, all the finishing materials, one way or another, affect our health.

Here is a short review of paintwork manufacturers working in the Russian Federation.

LLC Khimprom-M is a modern large enterprise that specializes in the production of paints and varnishes. It has branches in various cities of the Russian Federation. Price per 1 kg from 35 p. In stock quality certificates for all products of the enterprise, which is produced according to the requirements of GOST. Color palette: gray and red-brown.

Sigma colors. A diversified enterprise. It produces a primer GF-021 according to TU 2313-005-71555820-2006. The color palette is gray, red-brown, black. Price per 1 kg - from 52 p.

LLC Lacra Synthesis. Lacra trademark in the market for more than 15 years. This company is positioning itself in the segment of budget paints and varnishes. Provides conformity certificates for its products. Primer GF-21 is offered in three volumes: 2.5 kg, 1 kg, 20 kg. The price depends on the volume - 20 kg are offered at a price of about 81 r / kg.

Prestige holding. A modern manufacturer of paints and varnishes. The price depends on the volume of packaging and the bulk of the purchase. On average, it starts at 85 r / kg.

Practical tips for use

Before you buy a primer GF-021, you should at least roughly calculate the required amount, based on the area that we will be primed. The calculation is simple: we calculate the total surface area intended for processing. Multiply the resulting area by the possible soil consumption (100 g / m2). We get the amount of soil we need in grams.

According to the manufacturers, the primer is guaranteed to be well stored in unopened packaging for at least 6 months from the date of manufacture. Although practice shows that coatings of this kind can be stored for a year or more, when buying material it is worth making sure of its “freshness”.

Before processing with a primer, it is necessary to prepare the surface, namely cleaning from dust and dirt, from rust and old coatings, as well as degreasing. It is most convenient to degrease the surface with white spirit. This solvent degreases well, in addition, it is a solvent for the soil itself and it is convenient for them to clean the tool after work.

Before starting work, the primer GF-021 is thoroughly mixed, if necessary, diluted with a solvent. The primer GF-021 is diluted with xylene, solvent or a mixture of one of them with white alcohol (1: 1). Since the soil is quite liquid, it is more convenient to use a spray gun for surface treatment, but it can also be primed with a simple brush or roller (in 2 layers). In addition, the primer is applied by dipping, as well as airless spraying, spraying in an electric field and even by spraying. Work must be carried out at room temperature.

Before starting work in a closed room, all windows must be opened, since the primer GF-021 has a rather sharp and unpleasant odor. In addition, vapors of organic solvents accumulating in a confined space can cause poisoning and headache.
This soil is not the fastest drying. After application, the coating dries for about 12 hours, as indicated by the manufacturers. However, the drying time is at least 24 hours. Therefore, it is better not to rush and wait for the coating to completely dry in order for the top paint to lie most evenly and efficiently. Sometimes there is a need for re-priming the surface, for example when priming porous surfaces such as wood. In this case, you can get a more even surface by treating it a second time.

In conclusion, a little about the shortcomings of our primer. There are very few of them, but this is also worth knowing.

1. Many paints curl up in contact with GF-021 soil that has not been dried up. It is easy to turn this disadvantage into a virtue - take your time to apply the finishing coat, wait for the soil to completely dry.
2. Soil does not penetrate deep into the surface to be treated. Therefore, the primer GF-021 is not used to fix loose and crumbling surfaces. For this, there are special primers - penetrating primers.

So, we figured out the basic operational properties and technical characteristics of the GF-021 primer, as well as its application methods. Now it’s clear that the primer is simply necessary for someone who wants to make high-quality, beautiful and long-term repairs, paint iron gates, doors, walls, or even just wallpaper. The quality and price of the GF-021 domestic-made primer allows it to successfully replace imported analogues, which makes this material very attractive to us consumers.

User reviews.

Primer GF-021 has many positive reviews. It is ideal for priming metal and wooden surfaces and is used to prepare the surface before applying various types of enamels (GF, PF, FL, EF, etc.)

“We used the primer GF-021 for painting a rather large section of the pipe. This pipe was new and did not have to be ground. After the primer, we painted it. If we take into account that the pipe is very often subjected to rain, snow, or simply frost, it looks excellent (there is no hint of corrosion). ”

“They used red-brown GF-021 at industrial facilities - the characteristics are excellent. They processed both metal and wooden surfaces (for fire safety). After 5 years, the paint applied to the primer is still holding well, there is no rust, no spots with peeling paint. ”

“I praise the primer GF-021 of red-brown color.Before painting the gas pipe, the husband primed her bends and joints - this is where rust can appear. At first I did not believe that the brown primer would not shine through the yellow paint. It turned out I was wrong. I just had to paint over the primed places twice. ”

(1 ratings, average: 5,00 out of 5)

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