Penta Phthalic Varnish ПФ-035
Technical Specifications У 24.3-24010285-001:2002
Penta Phthalic Varnish ПФ-035 is a solution of penta phthalic resin in solvent or xylene. The resin is modified by distilled tall oil.
Application: it shall be used in the formulations of fast-drying enamels to paint devices and equipment, fast-drying priming coats.
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||50||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||100 – 200||100 – 200|
|5||Weight fraction of nonvolatile matter, %||52 ± 2||52 ± 2|
|6||Acid value, mg, КОN/g, max.||10||15|
|7||Hardness of varnish film as to pendulum ТМЛ (type А), standard units, min.||0,25||0,20|
|8||Drying time to the point of 3, hours, max. at temperature (20±2) °С||6||6|