Penta Phthalic Varnish ПФ-060В
Technical Specifications У 24.3-24010285-001:2002
Penta Phthalic Varnish ПФ-060В is a solution of penta phthalic resin in white-spirit or mixute of white spirit and solvent. The resin is made from semidrying oils.
Application: it shall be used in the formulations of alkyd white and coloured enamels, as well as for production of varnishes for wood.
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||40||90|
|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||180 – 220||120 – 180|
|5||Weight fraction of nonvolatile matter, %||60 ± 2||55 ± 2|
|6||Acid value, mg, КОN/g, max.||15||18|
|7||Hardness of varnish film as to pendulum ТМЛ (type А), standard units, min.||0.12||0.10|
|8||Drying time to the point of 3, hours, max.
– at temperature (80±2) °С
– at temperature (20±2) °С
Note: It is possible to produce varnish ПФ-060В (as agreed with Customer) with viscosity max. 200 c at temperature (20±2)°С (viscosimeter ВЗ-246, nozzle diameter 6 mm).