Heat-resistant paint for brazier: which is better to choose?

If you made a brazier or bought it in a store, sooner or later you will have a question about what kind of paint to protect. If the steel structure is operated on the street, it will be constantly exposed to fire and atmospheric phenomena. If you do not protect the surface, it will rust quickly enough.

Requirements for composition

The paint must meet certain requirements, it protects the structure when exposed to fluctuations in temperature, humidity and precipitation. It is important to get a paint that will have the qualities of fire resistance and will not melt under the influence of fire. Among other things, the composition should not emit harmful substances, as regards the application and operation phase. Heat resistant mixtures can withstand temperatures up to 800 °. The application is quite simple, these paints are generally harmless to health, they can be painted not only with the outer but also with the inner surface of the product.

Varieties of heat-resistant paints

The paint for a brazier can belong to one of several varieties. Visiting the store, you can find enamel coatings, which are produced under the markings KO 8101 or KO 8111. On sale you can find heat-resistant paints KO / 08 and KO / 815, as well as organosilicate composition, among the latter can be identified OS 12/03. A fairly popular solution for reasons of economy is the KO-85 heat-resistant varnish . But it has one drawback, which is expressed in the possible appearance of cracks when exposed to low temperatures. You can choose and resistant impregnation, which contains various oils that can cope well with lower temperatures. However, it is worthwhile to be prepared for the fact that such impregnation provides for the need for periodic updating. If you choose a paint for a brazier, one of which was described above, it will be able to withstand a temperature of up to 500 °. By composition, such mixtures are resistant to high humidity and protect the metal from destruction.

Acrylic paints

Acrylic heat resistant paint for braziers is more popular for the reason that it is ready to undergo a temperature of up to 650 ° C. In operation, the layer can be exposed to a temperature of up to 800 ° C for a short time. In this group of means, aerosol cans are in the lead, the main advantage of which is the rapid drying out. It is important to remember that such paint should be stored under manufacturer's recommended conditions, otherwise it can dry long enough after application.

If you use acrylic paint for a brazier, then before applying it, you do not need to primethe surface, but do not forget about the processing of areas that were prone to corrosion. The formed layer will persist under the influence of salts and oils. After acquainting yourself with the assortment, you can choose a high-temperature paint for metal for a brazier of different colors. The most popular of them are: black, gray, brown, and also silver.

Overview of the features of powdered heat-resistant paints

Powder compositions differ in the application technology. Dry paint should be sprayed on the surface, and then exposed to high temperatures. At the moment of sintering, the composition acquires the required performance, among which is the heat resistance. An example can be a powder paint brand S54, which is made on the basis of silicone. This compound is specially designed to protect the surfaces of ovens, barbecues and barbecues at home. But in everyday life it will be difficult to use it, as it will require the use of a high-temperature drying chamber.

Classification of heat-resistant paints

If you need a paint for the barbecue, then you need to understand the classification of these compounds. They are conditionally divided into categories, among them: use areas, temperature regime, composition, and other factors. For example, for household use, compounds are used that are designed to operate at a temperature range of 80 to 100 ° C. They can be performed on acrylic or alkyd resin. With their help, it will be possible to form a monolithic protective layer. If we are talking about temperature ranges from 100 to 120 ° C, then it is best to prefer a paint based on epoxy resin. On sale, one-component paints are available, which are intended for use at a temperature of 200 to 400 ° C. Among the ingredients are ether-epoxy resins and ethyl silicate. For a temperature range that reaches 750 ° C, it is best to use the mixture in cylinders as sprays. For conditions where the temperature rises above 700 ° C, it is better to use mixtures based on silicone resin.

More about marking

The heat-resistant paint for the brazier should be marked with an alphanumeric designation. If you see two letters "KO", then this indicates that before you paint based on the silicone binder. After the letter there are numbers, the first of which indicates the destination. Thus, the figure eight speaks of thermal stability. The second and all subsequent digits indicate the catalog number of the development. Before acquiring it is recommended to familiarize yourself with the appointment of the staff. Thus, KO-811 is used for aluminum, steel, titanium surfaces, which need protection against corrosion. These enamels are good in that their application is allowed at low temperatures. As a result, it is possible to obtain a coating that is environmentally friendly, heat and moisture resistant, and resistant to alternating heating and abrupt cooling. When the temperature rises, the coating acquires even higher strength qualities.

KO-813 is a compound that is used for protective staining of metal surfaces exposed to temperatures in the range of 60 to 500 ° C. It is noteworthy that this heat-resistant paint for barbecue has anti-corrosion properties, is absolutely not afraid of high humidity and sudden temperature fluctuations. If it is necessary to protect surfaces that are exposed to temperatures of up to 400 ° C during operation, then choose KO-814. The obtained coating has a high resistance to solutions of salts, oil products and mineral oils. This compound is universal, as it can also be used for painting steam pipes with hot steam. KO-8111 is a mixture with which it is possible to paint metal structures heated to 600 ° C. It is resistant to aggressive media.

What to choose - enamel or paint

If you still have not decided what color to paint the brazier, then you can consider the qualities of enamels and paints. After the application of the first, an opaque solid film is formed on the surface, which is able to protect against high humidity, but not from exposure to open fire. When comparing heat-resistant enamels and paints, it should be mentioned that the former are more elastic, have high decorative properties, create a more durable coating, and their application is allowed even at subzero temperatures. However, the paint for the brazier (1000 degrees) will not ignite if it is directly affected by the flame, which can not be said about the enamels.

Conclusion

The metal paint for the barbecue should also be chosen by the manufacturer. For example, "Thermica" produces similar compositions since 2007. The products of this supplier are certified by certificates, and the approximate cost is 142 rubles. Per kilogram.

You can choose a high-temperature paint for metal for the Dufa barbecue, which costs more - from 400 rubles. But it allows smooth distribution of high temperatures on the painted surface, excluding overheating. The advantage of enamels is the absence of aromatic carbohydrates, which allows the use of the composition indoors.