Alkyd Styrene Varnish AS40/52Х(S)

Alkyd Styrene Varnish AS40/52Х(S)

 

Alkyd Styrene Varnish AS40/52Х(S) is a product of copolymerization of polyunsaturated fatty acids with styrene (up to 40%) in organic solvent.

Application: It shall be used in formulas:

  • chemical resistant and hammer enamels;
  • fast-drying priming coats.

Table: Qualitative indices according to Technical Specification У 24.3-24010285-003:2007

Description Requirements
1 Colour (iodimetry scale), mg I2/100 cm3, not darker than

·superior quality

·first quality

 

60

80

2 Appearance Transparent, some opalescence is allowed
3 Purity Some mechanical inclusions are allowed
4 Relative viscosity at temperature /20±0.5/°С (viscosimeter ВЗ-246, nozzle diameter 4 mm), с 100 – 200
5 Weight fraction of nonvolatile matter, % 50 – 55
6 Acid value, mg, КОN/g, max. 12
7 Hardness of varnish film as to pendulum

ТМЛ (type А), standard units, min.

· in one day

 

 

0.25

8 Drying time to the point of 3, hours, at temperature (20±2) °С  

2