Polyester Varnishes for dual-component polyurethane coatings «Impuls» # 800, #1100
Technical Specifications У 24.3-24010285-003:2007
Polyester Varnishes «Импульс» № 800 и №1100 are solutions of unmodified polyester resin in organic solvents (propylene glycol, monomethyl acetate, Dowanol PMA).
Application: they shall be used in dual-component polyurethane coatings with high wear- and abrasive-resistance.
Table: Qualitative indices according to Technical Specification У 24.3-24010285-003:2007
| № | Description | Requirements as to Technical Documentation | |
| Polyester Varnish «Импульс» № 800 | Polyester Varnish «Импульс» №1100 | ||
| 1 | Colour (iodimetry scale), mg I2/100 cm3, not darker than | 50 | 20 |
| 2 | Appearance | Transparent, some opalescence is allowed | |
| 3 | Purity | Varnish coat, applied on glass plate, shall be transparent without any mechanical inclusions and small extrinsic particles | |
| 4 | Relative viscosity at temperature /20±0.5/°С (viscosimeter ВЗ-246, nozzle diameter 4 mm), с | 150-220 | 90-150 |
| 5 | Weight fraction of nonvolatile matter, % | 70±2 | 70±2 |
| 6 | Acid value, mg, КОN/g, max. | 6 | 6 |
