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
||Colour (iodimetry scale), mg I2/100 cm3, not darker than
||Transparent, some opalescence is allowed
||Some mechanical inclusions are allowed
||Relative viscosity at temperature /20±0.5/°С (viscosimeter ВЗ-246, nozzle diameter 4 mm), с
||100 – 200
||Weight fraction of nonvolatile matter, %
||50 – 55
||Acid value, mg, КОN/g, max.
||Hardness of varnish film as to pendulum
ТМЛ (type А), standard units, min.
· in one day
||Drying time to the point of 3, hours, at temperature (20±2) °С