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ZQ-918 RTV anti fouling flashover coating is a mixture of a single component ketone oxime type silicone adhesive sealant and a specific solvent. The coating is sprayed on the surface of the insulator, and after the solvent evaporates, it solidifies into a thin film elastomer at room temperature. The body has high strength, and has good adhesion, hydrophobic migration, flame retardancy, and resistance to electric leakage, thus providing good anti fouling flashover protection for insulators.
ZQ-918 RTV anti fouling flashover coating is a mixture of a single component ketone oxime type silicone adhesive sealant and a specific solvent. The coating is sprayed on the surface of the insulator, and after the solvent evaporates, it solidifies into a thin film elastomer at room temperature. The body has high strength, and has good adhesion, hydrophobic migration, flame retardancy, and resistance to electric leakage, thus providing good anti fouling flashover protection for insulators.
1. Excellent adhesion and strong adhesion to insulator materials.
2. Neutral curing, without adverse reactions or corrosive effects.
3. Excellent weather resistance and aging performance.
4. Single component, easy to spray apply.
Mainly used for spraying high-voltage power insulators, providing pollution flashover protection.
Performance index | ZQ-918 | ZQ-918R | |
Before curing | Colour | Red fluid | Red fluid |
Relative density (g/cm3, 25 ℃) | 1.05—1.35 | 1.05—1.35 | |
Surface drying time (min, 25 ℃) | 30 | 30 | |
Complete curing time (d, 25 ℃) | 7 | 7 | |
Curing type | Single component ketone oxime type | Single component ketone oxime type | |
After | Hardness (Shore A) | 30~40 | 30~40 |
Tensile strength (MPa) | ≥2.0 | ≥2.5 | |
Tear strength (kN/m) | ≥1.8 | ≥2.0 | |
Elongation at break (%) | 200-400 | 200-400 | |
Operating temperature range (℃) | -50～200 | -50～200 | |
Volume resistivity (Ω·cm) | ≥1.0×10¹⁵ | ≥1.0×10¹⁵ | |
Dielectric strength (kV/· mm) | ≥18 | ≥18 | |
Dielectric constant (1.2MHz) | 2.8 | 2.8 | |
Loss factor (1.2MHz) | 0.001 | 0.001 | |
Note: The above data is for reference only and is not recommended for specification development. All mechanical and electrical properties were measured after 7 days of curing at 25 ℃ and 55% relative humidity.
1. Clean the surface: Clean the surface of the insulator and remove dust and oil stains.
2.Gluing: Use a spray gun to evenly spray the coating on the surface of the insulator.
3.Curing: Allow to naturally solidify in air.
This product is stored in a cool and dry place at 27 ℃, with a shelf life of 12 months.
Q/320481 MTH 002-2016
This product is non hazardous and is transported under general conditions.
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