KO-815 CERTA — heat-resistant gloss varnish for metal up to +300 °C
Colourless gloss silicone varnish for ferrous and non-ferrous metals, pipelines and heat exchangers up to +300 °C.

The OS-12-03 version per TU 84-725-78 is an organosilicate primer-enamel that works from −60 °C to +300 °C (red, blue and yellow up to +250 °C). It is applied without primer or over a primer as per the instructions to steel structures, equipment, pipelines, chimneys, tunnels, facades, foundations and overhead contact line supports; welds, edges and bolted joints are reinforced with a stripe coat. Painting is permitted from −20 °C; full properties develop in 72 h at +20 °C.
| Manufacturer | CERTA — OOO “NPP “Spektr”, Novocheboksarsk |
|---|---|
| Type | primer-enamels |
| Base | organosilicate composition; organic solvents |
| Colour | white, yellow, grey, light grey, blue, black, red, bright red |
| Packaging | 25 kg |
| Application method | spraying, brush, roller; at least 2 coats; stripe coat on welds, edges and bolted joints; thinning up to 10 % |
| Application temperature | from −20 °C to +40 °C |
| Drying | intercoat drying 120 min at −20 °C, 90 min at 0 °C, 60 min at +20 °C; full properties in 72 h at +20 °C |
| Key properties | Service temperature: from −60 °C to +300 °C (red, blue, yellow — up to +250 °C) |
| Shelf life | 1 year from the date of manufacture |
| Standards | TU 84-725-78 |
Data from the manufacturer’s technical data sheet. The coating system, number of coats and quantity are selected for your project on request.
Colourless gloss silicone varnish for ferrous and non-ferrous metals, pipelines and heat exchangers up to +300 °C.
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