Application scenarios
APPLICATION SCENARIOS
The "Marine guard" of the cross-sea bridge protects the natural cutting way. Face the wind and waves, fearless challenges, the Marine environment, harsh and complex.
Industrial paint coating scheme-Bridge
The "Marine guard" of the cross-sea bridge protects the natural cutting way. Face the wind and waves, fearless challenges, the Marine environment, harsh and complex. Obelong waterborne industrial paint , with excellent salt spray resistance, corrosion resistance, face the challenges of wind and waves, for the cross-sea bridge covered with strong protective armor, to ensure its long-term standing, unimpeded.
Coating scheme and technical indicators:
| Matching coating system | Product Name | Coating film thickness |
| Water-based two-component epoxy zinc-rich primer (zinc content greater than 82%) | 80-120um | |
| Waterborne two-component epoxy cloud iron intermediate paint | 80-120um | |
| Waterborne two-component high gloss polyurethane topcoat | 40-60um | |
| Waterborne two-component fluorocarbon finish orwaterborne two-component silicone modified polyurethane finish | 40-60um | |
| Total thickness (260-320 µm) | ||
| Test item | HG/T/4761-2014(2017) Table 1 Coatings for metal surfaces (topcoats) | Detection result | Single conclusion | Detection basis | ||
| Composite coating | Acid resistance(50g/LH2SO4) | 24 hours no exception | 96h No exception | Conform to | HG/T 4761-2014(2017)5.4.16 GB/T 9274-1988(2004) | |
| Alkaline resistance(50g/LNaOH) | 24 hours no exception | 96h No exception | Conform to | HG/T 4761-2014(2017) 5.4.17 GB/T 9274-1988(2004) | ||
| Weathering resistance (other colors) | Aging time | 500h | 3000h | Conform to | HG/T 4761-2014 (2017) 5.4.20 GB/T 1865-2009 GB/T 1766-2008 | |
| appearance | No bubbles, no flaking, no cracks | No bubbles, no flaking, no cracks | Conform to | |||
| atomization | ≤ Level 1 | Lv. 0 | Conform to | |||
| Change color | agree | Level 2 | —— | |||
Keywords: Bridge
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