Organosilicon varnish KO-916K


Extended name:  Solution of Polyorganosiloxane Resin Modified with Polyester in Xylene
№ UN:  1263
H.S. Code:  3208 90 910 0
Main applications: 
  • Brand A - for impregnation of electrical machines and apparatus windings with heat resistance of class H;
  • Brand B - for protection and decoration of metal surfaces.

Features:

  • effective impregnation ability due to min viscosity and low surface tension;
  • varnish film fast drying;
  • effective adhesion to metal surfaces;
  • cements well separate turns and layers of winding and isolation;
  • forms glossy, rigid and firm film;
  • high thermal conductivity;
  • harmless to copper and isolation of enameled wires;
  • moisture and water repellant;
  • preserves thermoelasticity while long heating of isolation in the process of electric machines running;
  • heat resistant (class H);
  • dielectric;
  • adhesive;
  • dielectric property and corona resistance practically are not influenced by high temperature and moisture.

Quality Data:

Brand ABrand B
AppearanceHomogeneous transparent solution without mechanical impurities.
Opalescence is possible
Varnish optical density, max1,01,0
Non volatiles content, %66 ± 266 ± 2
Relative viscosity 45 - 6545 - 65
Time of varnish film drying up to stage 3 at 200 ± 5 °С, minutes, max 1515
Thermoelasticity of varnish film at 200 ± 5 °С, h, min 5050
Cementing ability of varnished coating at 20 ± 5 °С, N (kg), min294 (30)294 (30)
Electric strength of varnish film, MV/m, min
R; M(15 - 35°С) 45 - 75 %75-
R; M(200 °С) < 20 %50-
24 h (23°С) 93%; M(15 - 35 °С) 45 - 75 %50-
Specific volume electric resistance of varnish film, Om m, min
R; M(15 - 35 °С) 45 - 75 %1,0·1013-
R; M(200 °С) < 20 %1,6·1010-
24 h (23 °С) 93%; M(15 - 35 °С) 45 - 75 %1,5·1012-

Storage Warranty: 6 months.

Packing: 275 dm3 zink-coated or steel barrels; 250 dm3 aluminium barrels; 40 dm3 steel drums.

Transport Type: Railway, road.

Labelling:

  • UN Hazard Class: 3
  • UN Pack Group: I



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