Alkyd Phenolic Varnish ТЛФ «Импульс»
Technical Specifications У 24.3-24010285-003:2007
Alkyd Phenolic Varnish ТЛФ «Импульс» is a solution in xylene or toluene of glyphtal resin. The solution is modified by colophony and phenolic resin.
Application: it is used as adhesive when preparing fast-drying atmosphere resistant and oil- benzine-resistant enamels, priming coat-enamels and priming coats for metal, wooden and other surfaces used indoor and outdoor.
Table: Qualitative indices according to Technical Specification У 24.3-24010285-003:2007
| № | Description | Requirements as to Technical Documentation |
| 1 | Colour (iodimetry scale), mg I2/100 cm3, not darker than | 80 |
| 2 | Relative viscosity at temperature /20±0.5/°С (viscosimeter ВЗ-246, nozzle diameter 4 mm), с | 120-170 (50 % of solution) |
| 3 | Weight fraction of nonvolatile matter, % | 55-60 |
| 4 | Acid value, mg, КОN/g, max. | 12 |
| 5 | Hardness of varnish film as to pendulum ТМЛ (type А), standard units, min. | 0.20 |
| 6 | Drying time to the point of 3, hours, at temperature (20±2) °С | 6 |
