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Epoxy-polyester powder coating

Scientists researched for a long time to combine the beneficial properties of the two substances, recipe experiments continued for decades. Modern hybrid powder materials is the result of this long painstaking work. This type of material can now be found everywhere — in city transport and in the country garden.

So how did we get such a convenient kind of coating?

Development history

Specialists proposed PLCs based on hybrid film formers in the early 1960s. But there was a big problem — they polymerized 2 hours under temperatures above 205°C, which is completely unacceptable conditions for the vast majority of entrepreneurs, because high energy costs and low productivity are a very bad combination.

As far as in 1971, polyester-epoxy coating was invented, which hardens in just 10 minutes at 200°C. However, the disadvantage of ordinary epoxy powder paint remained — it turns yellow and crumbles if the structure is placed under the sun for a long time. Another problem was the high price and the tendency to blister the finished polymer film. All these difficulties were solved by development based on epoxy compounds of bisphenol A and blocked isocyanates in the same 1970s. The product was so successful that it pushed other similar products out of the market.

What made it such a weekend for producers and consumers?

Advantages

Hybrid powder usually has a half ratio, 60/40 and 70/30 between polyester and epoxy resin. Increasing the epoxy element increases resistance to boiling water and chemicals, the addition of a polyester component adds UV resistance. Therefore, manufacturers increase or decrease the percentage depending on the needs of customers.

In general, the paint material is versatile and well suited to the instrument in various conditions. For example, garden equipment that is under the influence of chemicals
fertilizers and small stones, can be stored in the shed or near it in the open sun. Polyester-epoxy coating perfectly copes with such challenges, providing effective protection against rust in all weather conditions.

Order by phone and in our catalog. Lacover company experts will explain in detail the nuances of the recipe for your specific goals. “Lacover” — quality and stable service.

Find out what kind of paint you need!
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