Varnish KO-916A
Features
Homogenous clear solution of polyether-modified organopolysiloxane resin in toluene
- Applications
- Health and safety information
- Guaranteed shelf life
- Lacquer KO-916A is designed for production of fiberglass- insulated winding wires and heat-resistant wires and cables with fiberglass proofing.
- The KO-916A coating shows high durability, weather and moisture resistance, resistance to attack of oil, heat, and gasoline.
- The polymerized lacquer coat is nontoxic, fire-safe.
- Shelf life - 6 months
Physical and chemical properties
| Weight of non-volatiles, % | 60 ± 2 | ||
| Viscosity, 20 ºC, by viscometer VZ-246 with orifice Ø 4 mm, s | 30-60 | ||
| Dryout time, 3rd degree, (200±5) ºC, mins, max. | 15 | ||
| Weight of Si- bound hydrogen, %, max. | 0,0018 | ||
| Thermo elasticity, 200ºC, hrs, min. | 50 | ||
| Hardness by pendulum device ME-3, 20°С, min. | 0,6 | ||
| Hardness by pendulum device ME-3, 180°С, min. | 0,2 | ||
| Optical density, max. | 0,5 | ||
| Dielectric properties | Test conditions | ||
| М(15-35 С) 45-75% | M(200 С) <20% | 24hrs(23 С) 93% | |
| Volume resistivity, Ω·m, min. | 1,0×1012 | 1,0×1010 | 1,0×1011 |
| Dielectric strength, MW/m, min. | 75 | 35 | 40 |