WL-213 Waterborne Epoxy Resin
Physical Property:
| Item | Value | Testing Method |
| Appearance | Milky white emulsion | Visual |
| Solid content | 50±2% | 30min@120℃ |
| Viscosity(mPa.s) | ≤2000 | NDJ-79 Rotational viscometer |
| PH | 7-8 | PH Meter |
| TG/℃ | 0.18-0.22 | Aceton* hydrochloride method |
Performance:
- Non-ionic self-emulsifying type
- Small emulsion particle size
- Good film forming performance
- Low VOC content
- Epoxy gray paint performance
| Gray paint | Surface Drying | Real Drying | Hardness | Flexibility | Adhesion | Construction Time Limit | Impact Resistance |
WL-213+WL-140
| 35mins | 5h | ≥H | 1grade | 0grade | ≥4h | 50cm |
- Carbon steel plate (sand paper polishing)
◆ 80℃ X 120 minutes flash dry
◆ 14 days natural dry curing period
◆ Film thickness 50~60μm
◆ Salt spray resistance>800hrs
- Epoxy varnish performance comparison
- Alkali resistance performance:
23-29um, baking at 80℃ for 30 minutes,
0.1mol/L NaOH aqueous solution
After 64h of alkali resistance testing :
Has spots Almost no spots
(AP resin) (WL-213/WL-140)
Thickness of film is 23-29um, back at 80℃ for 30 minutes,
0.1mol/L H2SO4 aqueous solution
Large bubbles on the board Small bubbles or no bubbles
( AP resin) (WL-213/WL-140)
3.Epoxy white paint performance comparison
| Gray paint | Surface Drying | Real Drying | Hardness | Flexibility | Adhesion | Construction Time Limit | Impact Resistance |
| Comparative resin | 37mins | 5.4h | H | 1 grade | 0 grade | | 50cm |
WL-213+WL-140
| 35mins | 5h | H | 1 grade | 0 grade | ≥4h | 50cm |
- Ethanol wiping Resistance performance:
Thickness of film is 23-26um, back at 80℃ for 30 minutes
Failed after 30 wipes Pass after 50 wipes
(Contrast resin) (WL-213/WL-140)
- Alkali resistance performance:
The film thickness all is 23-29um, after 80℃X30 minutes
Put it into 0.1mol/L NaOH aqueous solution and soak for 64 hours
The paint surface of WL-213/WL-140 is slightly dull
The paint surface of the contrast resin has more large bubbles
After 64h of alkali resistance testing 
:
( AP resin) (WL-213/WL-140)
- Acid resistance performance:
-The thickness of the film is 23-29um, after drying at 80℃ for 30
minutes
-Put into 0.1mol/L sulfuric acid aqueous solution
-After 64 hours of soaking
-The paint surface of WL-213/WL-140 is slightly dull
-The paint surface of the contrast resin has large bubbles and
cracks
( contrast resin) (WL-213/WL-140)
- Salt spray resistance performance:
-The film thickness is 50-60um
-Test after 7 days in a constant temperature and humidity
environment
-After 64 hours of salt spray resistance test, the white paint
board of the contrast resin is corroded more
( contrast resin) (WL-213/WL-140)
Special Tips
This material is complied according to our existing technology and
experience, the technical advice provided is sincere, but it is not
guaranteed to be used in all samples and formulations, all the data
are for users reference only.
