Xiamen WangQin Chemical Technology Co., Ltd.
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Combining WL-AD201 waterborne epoxy resin and WL-AC047 curing agent, this 2K epoxy system exhibits superior high-gloss retention alongside outstanding resistance to salt spray, acids, MEK, and harsh chemicals. Its unique versatility allows application as a standalone primer, topcoat, or integrated primer-topcoat solution.
WL-AD201 Waterborne Epoxy Resin Physical Property
| Appearance | Milky white liquid |
| Non-volatile matter (Wt, %) | 54±2 |
| Viscosity (mPa ·s) (25℃) | 500 ~ 8000 |
| Epoxy equivalent (supplied form) (g/Eq) | 1060±50 |
WL-AC047 Water Based Epoxy curing agent Physical Property
| Item | Value | Testing Method |
| Appearance | Light yellow transparentliquid | Visual |
| Non-Volatile content(%) | 50±2 | GB/T 1725-2007 |
| Viscosity(mPa.s)(25℃) | 3000~20000 | GB/T 21059-2007 |
| Active hydrogen equivalent | 310 |
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A set of technical test data of 2K epoxy coating made of WL-AD201 and WL-AC047:
Gloss (20°/60°)>80/90, excellent gloss stability
Resistant to 5% H2SO4 Resistant to 10% H2SO4 MEK rub 500g 50 times
288hNo blistering on the board 240h Slight bubbles appear on the board surface The paint film does not soften, fade, or lose gloss
Process: After the base is sprayed and dried, it is self-dried → the wiring is about 30 minutes → spraying the
bright epoxy topcoat → wiring is about 20 minutes → baking at 100-110℃ for 25-30 minutes → unloading and stacking for 1 day