Xiamen WangQin Chemical Technology Co., Ltd.
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WL-213 is a kind of two-component waterborne epoxy resin, cooperated with amine curing agent, it can provide excellent corrosion resistance, currently, the combination of WL-213 and curing agent WL-140 produced by our company has been adopted by Shitupaint.
This product has the following features:
Product components:
Epoxy resin cosolvent water
| item | WL-213 | Test method |
| exterior | Ivory uniform fluid | visual |
| Non-volatile value(%) | 50±2 | GB/T1725-2007 |
| viscosity(m Pa·s) | ≤2000 | NDJ-79 rotary viscosimeter |
| pH value | 4.0~8.0 | GB 8325-1987 |
| Epoxy value(for solid) | 0.18~0.22 | Hydrochloric acidacetone solution |
The typical data of product:
Product characteristics:
usage:
This product belongs to water borne epoxy latex which can prepare water borne epoxy latex resin flooring coating, the paint for railway,locomotive, bridge, and container, water borne epoxy anti-corrosion coat, domestic outfit paint and metallic paint
Storage conditions:this product should be stored sealed in a cool ventilation place with six months of quality guarantee period. The expired products can be continued to use if they are detected qualified.
The combination of WL-213 and curing agent WL-140
Film thickness: 50-60um at 80℃ for 30 mins, salt fog resistance: over 800 hours
Coating film Test
Primer Test Result
| Item | Test Result | Test Method | |
| Physical and Chemical Properties | Original paint | Uniform liquid | Visual check |
| Paint film color | Light grey | Visual check | |
| Hiding power, g/m2 | 80 | GB/T 1720-1979 | |
| Original paint viscosity (T-4 cup at 25o) S | 132s | GB/T 1723-1993 | |
| Fineness, micron | ≤30 | GB/T1724-1979 | |
| Non-volatile matters, % | 52 | GB/T1725-2007 | |
| Surface drying time, min at 23℃ | 20 | GB 1728-1979 | |
| Hard drying time, h at 25℃ | 5 | GB 1728-1979 | |
| Baking time, min at 65℃ | 30 | GB/T1728-1979 | |
| Pot life, h at 25℃ | 3 | HG/T3668-2000-5.9 | |
| Mechanical Properties |
Hardness (pencil) |
H | GB/T 6739-2006 |
| Flexibility, mm | 1 | GB/T 1731-1993 | |
| Impact resistance, KgNaN/50cm | pass | GB/T 1732-1993 | |
|
Grinability (20 times,320# sand paper |
grindable | GB/T1770-2008 | |
|
Adhesion (Cross-cut tape test) |
1 | GB/T9286-1998 | |
|
Adhesion (circle-cut tape test) |
1 | GB/ 1720-1979 | |
| Matching | Compatibility with other coating | Good | |
| Corrosion resistance | Water resistance at 23℃ | 240 h , no bubbling, peeling off and rusting | GB/T 1733-1993 |
|
Alkaline resistance (at 25℃, 0.1N NaOH) |
48 h | GB/T9274-1998 | |
|
Acid resistance (at 25℃, 0.1N H2SO4) |
48 h, no bubbling | GB/T9274-1998 | |
|
Oil resistance (at 25℃,10# Transformer oil) |
48 h, no change | HGT/ 9274-1998 | |
| Temperature alternating resistance (at -40℃ +60℃) | |||
| Salt fog resistance (480h) | Bubbling at cross, not bigger than 2 mm at a single side | GB 1771-2007 | |