Glyphtal Varnish ГФ-046
Technical Specifications У 24.3-24010285-001:2002
Glyphtal Varnish ГФ-046 is a solution of glyphtal resin in white-spirit or mixute of white spirit and solvent. The resin is modified by semidrying oils mixture and rosin.
Application: it shall be used in formulations of paste pigments to produce enamels, priming coats, putties and special purpose varnishes.
Table: Qualitative indices according to Technical Specification У 24.3-24010285-001:2002
| № | Description | Requirements as to Technical Documentation | |
| superior quality | first quality | ||
| 1 | Colour (iodimetry scale), mg I2/100 cm3, not darker than | 80 | 160 |
| 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 | Individual mechanical inclusions are allowed |
| 4 | Relative viscosity at temperature /20±0.5/°С (viscosimeter ВЗ-246, nozzle diameter 4 mm), с | 80- 120 | 40 – 80 |
| 5 | Weight fraction of nonvolatile matter, % | 53 ± 2 | 52 ± 2 |
| 6 | Acid value, mg, КОN/g, max. | 15 | 18 |
| 7 | Hardness of varnish film as to pendulum ТМЛ (type А), standard units, min. | 0.11 | 0.11 |
| 8 | Drying time to the point of 3, hours, max.
– at temperature (80±2) °С – at temperature (20±2) °С |
1.5 36 |
1.5 36 |
