Penta Phthalic Varnish ПФ-040
Technical Specifications У 24.3-24010285-001:2002
Penta Phthalic Varnish ПФ-040 is a solution of penta phthalic resin in solvent or xylene. The resin is modified by semidrying and drying oils.
Application: it shall be used in the formulations of fast-drying priming coats and putties.
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||60||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||140 – 180||120 – 160|
|5||Weight fraction of nonvolatile matter, %||54 ± 2||54 ± 2|
|6||Acid value, mg, КОN/g, max.||10||15|
|7||Hardness of varnish film as to pendulum ТМЛ (type А), standard units, min.||0.15||0.12|
|8||Drying time to the point of 3, hours, max.
– at temperature (80±2) °С
– at temperature (20±2) °С