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Anode low-temperature curing varnish
Item |
Product specification |
Inspection conditions |
Appearance |
Yellowish and clear |
Visual |
Solid ingredients |
60+ 2% |
105C = 3hrs |
Viscosity |
Z1 ~ Z2 |
Gardner at25℃ |
Pigment |
< 2 |
Grander |
Resin number |
Pencil hardness |
Baige adhesion |
ED-7 |
More than 2H |
0level |
Resin number |
Pull after high pressure adhesion for 2h |
By request |
ED-7 |
0level |
Resin number |
Impact resistance |
By request |
ED-7 |
No lacquer |
d. Boiling water resistance: RT × 10min, 120 ℃× 60min, RT × 12h maintenance after electrophoresis, dry film thickness of about 14 μ M
Use deionized water with conductivity less than 10 μs / C ㎡and put it into water temperature of 95-99 ℃. The tested workpiece is suspended in the water and can not touch the bottom of the pot or surface for 5h. Take out the paint film of the workpiece without falling off, blistering and wrinkling
Test sample: aluminum plate
Resin No. boiling water resistant 5h
Ed-7 has no shedding, blistering and wrinkling requirements
Resin number |
Boiling water resistant 5h |
By request |
ED-7 |
No peeling, blistering or wrinkling |
f. Washing resistance: RT × 10min, 180 ℃× 25min, RT × 12h maintenance after electrophoresis, dry film thickness of about 14 μ M
Prepare 30g / L test solution with deionized water and place the sample in the test solution at 38 ±1 ℃for 72h.Pull the adhesive tape with standard adhesive force (10 ±1) n / 25mm, and pull the adhesive tape quickly at an angle perpendicular to the surface of the paint film. It is required that the paint film does not fall off or blister.
Test sample: aluminum plate
Resin No. resistant to pull after 72 hours of washing
Ed-7 has no shedding and blistering requirements
Resin number |
Resistant to pulling after 72 hours of washing |
By request |
ED-7 |
No peeling and blistering |
e. Acid resistant salt spray (CASS): RT × 10min, 120 ℃× 60min, RT × 12h maintenance after electrophoresis, dry film thickness of about 14 μ m, salt spray test according to GB / t10125, single side corrosion and foaming of fork < 4mm
Resin No. acid resistant salt spray (CASS) 48H
No abnormality is found at the blank film of ed-07, no inclusion is found at the crossing, but there are scattered bubbles < 4mm, passing the requirements
Resin number |
Acid resistant salt spray (CASS) 48H |
By request |
ED-07 |
There is no abnormality at the blank paint film, no erosion at the crossing, but there are sporadic vesicles < 4mm, |