ELECTRIC INSULATING RESIN KO-916K (SRE 18)*

FEATURES

Homogenous clear solution of polyether-modified organopolysiloxane resin in organic solvents.

APPLICATIONS

  • For the fiberglass insulation wires manufacturing
  • For electrical steel lacquering
  • For electrical machines repairing and upgrading
  • For lifting magnets repairing
  • Electrical machines and apparatuses impregnation units for tropical and marine environment using
  • Electromagnetic separators coils manufacturing
  • Windings impregnation of the electrical machines, class “H” insulation heat-resistance dry- type transformers
  • For the printed circuits coating

Advantages

  • The high impregnational ability
  • The minimum viscosity and low surface tension
  • Fast drying ability of the lacquer film
  • High adhesion to the metal surface
  • Fixes well the separate windings and the winding layers and insulation
  • Forms a glossy, hard and durable film
  • High heat conductivity
  • No adverse effects on copper and enameled wire insulation
  • High moisture resistance
  • Thermoelastic properties are maintained during long-term heating of the insulation in the electrical machines processing
  • High dielectric properties
  • The high degree of corona resistance
  • High thermal resistance (class H and higher)
  • High adhesive capacity

PHYSICAL AND CHEMICAL PROPERTIES

Name of parameter and unit of measure Standard
Mass content of nonvolatile substances, % 66 ± 2
Funnel viscosity, cSt 45-65
Dryout time, 3rd degree, (200±5)°С, minutes, max. 15
Thermoelasticityof the lacquers surface,(+200 ± 5)°С, h, min. 50
Optical density, max. 1,0
Fixing capacity of varnish coat, 20ºC, N, min. 294 (30)
Dielectric properties Test conditions
R,М(15-35°С) 45-75% R,M(200°С)<20% 24h(23°С)93%M(15-35°C) 45-75%
Varnish coat volume resistivity, Ω·m, min. 1,0×1013 1,6×1010 1,5×1012
Electric strength, MV/m, min. 75 50 50
SAFETY INFORMATION The polymerized resin coat is nontoxic, fire-safe.
GUARANTEED SHELF LIFE 6 MONTHS
* various products names are allowed for different markets

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