EP 547 lacquer
TS U 6.24514086-001-98
The lacquer is intended to protect all types of split can tare outside and inner surfaces and covers made of white tin of electrolytic and hot-dip tinning.
After polymerization at t = 210 - 215°C lacquer is made with glossy golden coating within 15 minutes, it is steady to boiling and sterilization in hostile environment.
It is used as a unit with R-30 thinner, coated by lacquering machine of rolling type, consumption according to solid residual – 4,5-5,5 g/m2 .
Technical characteristics
1. Appearance of the lacquer
Homogeneous transparent fluid from dark-yellow to reddish-brown color, light opalescence is permitted.
2. Appearance of a film
After drying the lacquer becomes of a homogeneous glossy film extraneous mechanical impurities.
3. Viscosity by viscosimeter VZ-246 with nozzle diameter of (4,000±0,015) mm at t = 20,0±0,5°Ñ: in the range of 90-140 sec.
4. Mass concentration of nonvolatile substance: 36-43%
5. Film strength at stretching: 7mm
6. Film strength at stamping: without damages of coating strength
7. Film capability to be sterilized at t = 120±2°Ñ, per hour, no less:
in distilled water - 1
in 3% sodium chloride brine solution – 1
in 2% tartaric acid solution – 1
in 3% acetic acid solution – 1
8. Film adhesion before and after sterilization, points, no more than : 11
9. Mass concentration of chemical substances in solution containing 0,5% of acetic acid and 2% of sodium chloride brine after sterilization of lacquer` film and isolation in model environment within 24 hours at t = 40±2°Ñ, mg/dm 3 , no more:
Formaldehyde – 0,1
Phenol – 0,05
Dyphenilolpropane - 0,01
Epichlorhydrin - 0,1
Lead salts - none
10. Lacquer film capability to model environment effect after sterilization and isolation in thermostat at t° = 40±2°Ñ: 10 days
11. No porosity
12. Dry time to 3 degree at t° = 210-215°Ñ: no more than 15 minutes
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e-mail: lkm@khimlex.ua