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Electric Insulating Lacquers
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Description
Homogenous clear solution of polyether-modified organopolysiloxane resin in ethyl cellosolve. Safety information
The polymerized lacquer coat is nontoxic, fire-safe.
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Applications
- Lacquer KO-916 is used for lacquering of electrical steel.
Shelf life
Shelf life - 6 months
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| Physico-chemical properties |
| Weight of non-volatiles, % | 67 ± 2 | | Conventional viscosity, s | 45 - 65 | | Dryout time, 3rd degree, (200±5)ºC, mins, max. | 15 | | Thermo elasticity, (200±5)ºC, hrs, min. | 50 | | Hardness by pendulum device ME-3, (20±5)°С, min. | 0,6 | | Hardness by pendulum device ME-3, (180±2)°С, min. | 0,2 | | Optical density, at 400 nm, max. | 0,6 | | Dielectric properties | Test conditions | | R,М(15-35С) 45-75% | R,M(180С) <20% | 24hrs(23С)93% M(15-35C) 45-75% | | Volume resistivity, Ω·m, min. | 1,0×1012 | 1,0×1010 | 1,0×1011 | | Dielectric strength, MW/m, min. | 70 | 35 | 40 | |
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Description
Homogenous clear solution of polyether-modified organopolysiloxane resin in toluene Safety information
The polymerized lacquer coat is nontoxic, fire-safe.
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Applications
- 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.
Shelf life
Shelf life - 6 months
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| Physico-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 | |
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Description
Homogenous clear solution of polyether-modified organopolysiloxane resin in organic solvents. Safety information
The polymerized lacquer coat is nontoxic, fire-safe.
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Applications
- Lacquer KO-916K serves for impregnation of winding of electric apparatus, transformers with class H insulation, electrical machines and apparates with tropicalized and maritime construction.
- The lacquer is successfully used for repairs of load-lifting magnets, coils of electromagnetic separators as well as redesign and repairs of electrical machines.
Shelf life
Shelf life - 6 Months
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| Physico-chemical properties |
| Weight of non-volatiles, % | 66 ± 2 | | Viscosity, 20 ºC, by viscometer VZ-246 with orifice Ø 4 mm, s | 45 - 65 | | Dryout time, 3rd degree, (200±5)ºC, mins, max. | 15 | | Thermo elasticity, (200±3)ºC, hrs, min. | 50 | | Optical density, max. | 1,0 | | Cementing capacity of lacquer coat, 20ºC, N, min. | 294 (30) | | Dielectric properties | Test conditions | | R,М(15-35С) 45-75% | R,M(200С) <20% | 24hrs(23С)93% M(15-35C) 45-75% | | Volume resistivity, Ω·m, min. | 1,0×1013 | 1,6×1010 | 1,5×1012 | | Dielectric strength, MW/m, min. | 75 | 50 | 50 | |
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Description
Lacquer KO-921 is a clear homogenous solution of polymethylphenylsilxane resin in organic solvents. Polymethylphenylsiloxane resin is obtained by hydrolytic co-condensation of phenyltrichlorosilane and dimethyldichlorosilane with further polymerization. Safety information
The polymerized lacquer coat is nontoxic, fire-safe.
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Applications
- Lacquer KO-921 is distinguished by its low drying temperature, good dielectric properties, moisture and heat resistance.
- The product serves for impregnation of glass winding of wires and cables. It is also used as impregnating and coating lacquer, operating at 250ºC.
- The product is widely used for protection of electric machines and apparatus from mold and fungi.
- In food industry, the lacquer is used as release agent for metal forms for baking meat as well as protective coat for metal forms for baking bread and biscuits.
Shelf life
Shelf life - 12 Months
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| Physico-chemical properties |
| Weight of non-volatiles, % | 50 ± 2 | | Viscosity, 20 ºC, by viscometer VZ-246 with orifice Ø 4 mm, s | 17 - 27 | | Dryout time, 3rd degree, (200±5)ºC, mins, max. | 15 | | Weight, of Si-bound hydrogen, %, max. | 0,001 | | Thermo elasticity, 200 ºC, hrs, min. | 75 | | Optical density, max. | 0,5 | | Dielectric properties | Test conditions | | R,М(15-35С) 45-75% | R,M(180С) <20% | 24hrs(23С)93% M(15-35C) 45-75% | | Volume resistivity, Ω·m, min. | 1,0×1012 | 1,0×1010 | 1,0×1011 | | Dielectric strength, MW/m, min. | 75 | 35 | 35 | |
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Description
Lacquer KO-922 is a clear, homogenous solution of silicone resine in xylene or toluene obtained by hydrolytic co-condensation of phenyltrichlorosilane and dimethyldichlorosilane with further polymerization. Safety information
The polymerized lacquer coat is nontoxic, fire-safe.
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Applications
- Lacquer KO-922 serves as adhesive in production of heat resistant glass-bonded micaite which is used in the production of electrric machines with class H insulation as well as electric machines and apparatus operating at 250ºC for a short time.
- Lacquer KO-922 is used in the production of glass - asbestos fabric.
Shelf life
Shelf life - 12 Months
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| Physico-chemical properties |
| Weight of non-volatiles, % | 50 ± 2 | | Viscosity, 20 ºC, by viscometer VZ-246 with orifice Ø 4 mm, s | 17 - 27 | | Dryout time, 3rd degree, (200±5)ºC, mins, max. | 60 | | Weight, of Si-bound hydrogen, %, max. | 0,001 | | Thermo elasticity, 250 ºC, hrs, min. | 200 | | Optical density, max. | 0,5 | | Dielectric properties | Test conditions | | R,М(15-35С) 45-75% | R,M(180С) <20% | 24hrs(23С)93% M(15-35C) 45-75% | | Volume resistivity, Ω·m, min. | 1,0×1012 | 1,0×1010 | 1,0×1011 | | Dielectric strength, MW/m, min. | 75 | 35 | 35 | |
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Description
Lacquer KO-923 is a clear, homogenous solution of organopolysiloxane resin in toluene obtained by hydrolytic co-condensation of phenyltrichlorosilane and dimethyldichlorosilane with further polymerization. Safety information
The polymerized lacquer coat is nontoxic, fire-safe.
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Applications
- Lacquer KO-923 possesses high dielectric properties, good adhesive and impregnating ability.
- Lacquer KO-923 is used for impregnation of winding of electric machines and apparatus operating at 180-220ºC under high humidity conditions.
- It also serves for preparation of protective heat-resistant enamels continuously operating at 80-220ºC and at 250-300ºC for a short time.
- Lacquer KO-922 is widely used as antirust coating for metal surfaces.
Shelf life
Shelf life - 6 Months
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| Physico-chemical properties |
| Weight of non-volatiles, % | 50 ± 2 | | Viscosity, 20 ºC, by viscometer VZ-246 with orifice Ø 4 mm, s | 17 - 27 | | Dryout time, 3rd degree, (200±5) ºC, mins, max. | 30 | | Cementing capacity, (15-35) ºC, N, min. | 206 | | Thermo elasticity, 220 ºC, hrs, min. | 100 | | Optical density, max. | 0,5 | | Color by iodine scale, max. | 0,5 | | Dielectric properties | Test conditions | | R,М(15-35С) 45-75% | R,M(180С) <20% | 24hrs(23С)93% M(15-35C) 45-75% | | Volume resistivity, Ω·m, min. | 1,0×1012 | 1,0×1010 | 1,0×1011 | | Dielectric strength, MW/m, min. | 60 | 35 | 30 | |
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Description
Clear homogenous solution of organopolyalumosiloxane-modified organopolysiloxane resin. Safety information
The polymerized lacquer coat is nontoxic, fire-safe.
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Applications
Lacquer KO-978 is used as adhesive in manufacture of flexible composite materials on base of mica plastic papers as well as for impregnation of windings of class H electrical machines and apparatus. Shelf life
Shelf life - 6 months
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| Physico-chemical properties |
| Weight of non-volatiles, % | 50 ± 1 | | Viscosity, s | 16 -25 | | Dryout time, 3rd degree, 200 ºC, mins, max. | 30 | | Jellification, (150±2)°C, s | 40 - 80 | | Weight, of Al, % | 0,07 - 0,08 | | Cementing capacity of lacquer coat, N, min. | 196 | | Dielectric properties | Test conditions | | R,М(16-35С) 45-75% | R,M(180С) <20% | 24hrs(23С)93% M(16-35C) 45-75% | | Dielectric strength, MW/m, min. | 60 | 35 | 35 | |
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Description
Solution of polyether resin-modified organopolysiloxane resin in toluene. Safety information
The polymerized lacquer coat is nontoxic, fire-safe.
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Applications
- KO-915B shows good heat resistance, high dielectric characteristics, good adhesive and insulating capacity.
- KO-915B serves for preparation of heat- and humid- resistant electric insulating materials which are used in manufacture of class H electrical machines and apparatus.
- KO-915B is also used in the manufacture of glass fabrics, glass fiber- insulated wires, insulating enamels.
Shelf life
Shelf life - 6 months
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| Physico-chemical properties |
| Weight of non-volatiles, % | 65 ± 2 | | Viscosity, s | 15 - 40 | | Dryout time, 3rd degree, (200±5)ºC, mins, max. | 35 - 75 | | Thermo elasticity (200±3) ºC, hrs, min. | 150 | | Viscosity by viscometer VZ-246, orifice ø 4mm, s | 30 - 70 | | Dielectric properties | Test conditions | | R,М(17-35С) 45-75% | R,M(180С) <20% | 24hrs(23С)93% M(17-35C) 45-75% | | Volume resistivity, Ω·m, min. | 1,0×1012 | 1,0×1010 | 1,0×1011 | | Dielectric strength, MW/m, min. | 70 | 28 | 50 | |
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Description
Solution of silicone resin in organic solvents
Notes:
The use of KO-991-4 without drying catalyst is also possible.
This is responsibility of customer to specify the storage time of the lacquer with added promoter and fix it in the application instruction.
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Applications
- Lacquer KO-991-4 is used with addition of drying catalyst 64B , or ZK-1, or ZK-12:
- 64B is introduced 12 hrs before the use of the lacquer at the rate of 6% to the base of lacquer and thoroughly stirred,
- ZK-1 and ZK-12 is introduced in the lacquer direct before use at the ratio ZK-1 /lacquer as 5,2 g/100 g und ZK-12/ lacquer as 2,6 g/100 g. The rate of ZK-1 can be reduced to 50% to improve adhesion of the lacquer to the substrate.
- Due to high adhesive capacity, KO-991-4 is used in the manufacture of mica-based insulating materials and glass fabrics.
Shelf life
Shelf life - 12 months
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| Physico-chemical properties |
| Weight of non-volatiles, % | 42 - 48 | | Viscosity, s | 15 - 40 | | Dryout time, 3rd degree, (200±5)ºC, mins, max. | 120 | | Thermo elasticity, (200±5)ºC, hrs, min. | 30 | | Dielectric properties | Test conditions | | R,М(18-35С) 45-75% | R,M(180С) <20% | 24hrs(23С)93% M(18-35C) 45-75% | | Volume resistivity, Ω·m, min. | 1,0×1012 | 1,0×1010 | 1,0×1011 | | Dielectric strength, MW/m, min. | 65 | 25 | 30 | |
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