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Single Layer Epoxy Anticorrosive Powder Coating
Introduction:
This product is the function of epoxy resin, curing agent, a carefully designed, this product has high reactivity, has strong adhesive force, high cross linking density, the coating has excellent chemical resistance, solvent resistance, resistance to cathodic stripping, excellent flexibility, impact resistance and other properties.
Feature:
Power Specification:
Test Items | Technical Indicators | Test Method | |
Appearance | Even color, no caking | visual | |
Colour | As customer required | visual | |
Density g/m3 | 1.3~1.5 | GB/T 4472 | |
Particle size distribution % | 150μm Sieve the powder | ≤3.0 | GB/T 6554-1986 |
250μm Sieve the powder | ≤0.2 | GB/T 6554-1986 | |
Non-volatile matter content (%) | ≥ 99.4 | GB/T 6554-1986 | |
Gel time(s) | ≤ 100s (180℃) ≤ 60s (200℃) ≤ 30s (230℃) | GB/T 6554-1986 | |
magnetic material content(%) | ≤ 0.002 | GB/T 2482-1986 |
Coating specification
Test Items | Technical Indicators | Test Method |
Appearance | smooth,uniform color, no bubble , no cracking and sinkhole, allow light crack | visual |
Adhesion | 1~3 | SY/T 0315-2005 |
cathodic disbanding resistance 24h(mm) | ≤6.5 | SY/T 0315-2005 |
cathodic disbanding resistance 28d(mm) | ≤ 8 | SY/T 0315-2005 |
Fracture porosity | 1~4 | SY/T 0315-2005 |
Bonding surface porosity | 1~4 | SY/T 0315-2005 |
counter bending(3°) | No cracking | SY/T 0315-2005 |
mass resistivity | ≥ 1×1013 | GB/T 1410 |
electric strength(MV/m) | ≥ 30 | GB/T 1408.1 |
1.5J impact strength(-30℃) | No funnelled | SY/T 0315-2005 |
Chemical resistance | Qualified | SY/T 0315-2005 |
Wear Resistance,shakeout | ≥ 3 | SY/T 0315-2005 |
salt spray test(1000h) | No change | GB/T1771-1991 |
Carried Standard: SY/T 0315-2005
Application Area:
Municipal, water supply, drainage, sewage, circulating water, chemical, thermal and other pipelines.
Applicable process: Electrostatic Coating
Notes: