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Penta Phthalic Varnish ПФ-040

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

 

2

10

 

2

10