1. Very good adhesion with the substrate.
2. Appropriate gel time and interface performance, easy integrationwith the intermediate layer and solidified as a whole.
3. Protective effect in the lager temperature range, long-lastinganti-corrosion effect.
4. The coating has excellent high temperature cathodic disbondingresistance.
5. The powder area is large, the ratio of powder is high.
6. Low melting temperature, high reactivity, high curing completionrate, good mechanical performance
Application Area: Oil, gas and other pipeline anticorrosioncoating
Applicable process: Electrostatic Coating
PowerSpecification
TestItems | Technical Indicators | Test Method | |
Appearance | Even color, no caking | visual | |
Colour | As customer required | visual | |
Density g/m3 | 1.40-1.60 | GB/T 4472 | |
Volatile content % | ≤0.6 | GB/T 6554 | |
Particle size distribution % | 150μm Sieve the powder ≤3.0 | GB/T 6554 | |
250μm Sieve the powder ≤0.2 | |||
Gel time(s) 200 ℃ | ≥12 | GB/T 6554-1986 | |
Curing time (min) 200 °C | ≤3 | SY/T0314-2002 Appendix A | |
Thermal properties | homopolymer H J/g | ≥45 | SY/T0315-2005 Appendix B |
Glass transition temperature Tg2 °C | ≥95 | SY/T0315-2005 Appendix B | |
Coating Specification
Test Items | Technical Indicators | Test Method |
Adhesion | ≤2 | GB/T23257-2009AppendixC |
48h 65℃cathodic disbandingresistance(mm) | ≤8 | GB/T23257-2009AppendixD |
30d 65℃cathodic disbandingresistance(mm) | ≤15 | GB/T23257-2009AppendixD |
counterbending(-20℃,2.5°) | no cracking | GB/T23257-2009AppendixE |
1. Steel surface should be no oil and water, surface quality shouldreach Sa2 1/2 level (GB/T8923), anchor pattern depth 50-90mm, cleandust and abrasive attached to the steel surface.
2. Product should be stored in ventilated, dry, Indoor temperaturebelow 30 ℃, away from heat, corrosive chemicals and chemicalsolvents, avoid bright light, the maximum stack height should notexceed 4 layers, avoid prolonged pressure, ensure airtight box. Incase the clot and damp affects the fluidization performance.
3. To best curing epoxy coating, best anti-corrosion, suggestedpreheating tube surface temperature in more than 170℃, in order tobetter improve the curing completion.
