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Oxidation-Free Color Electrophoresis
Item |
Specification |
Test Conditions |
Solid content |
50±2% |
105℃×3hrs |
Viscosity |
Y~Z |
Gardner at 25℃ |
project |
Requirement |
Measured value |
test method |
Local film thickness |
More than 7 |
15 |
GB/T4957-2003 |
Dry adhesion of paint film |
0 |
0 |
GB/T9286-1998 |
Wet adhesion of paint film |
0 |
0 |
GB/T9286-1998 |
Film Hardness |
More than 3 |
5 |
GB/T6739-2006 |
Salt tolerance acidity |
There should be no blistering and other obvious changes on the surface of composite film |
No defects are found in the standard |
GB/5237.3-2008 |
Alkali resistance (24h) |
More than 9.5 |
10 |
GB/5237.3-2008 |
Mortar resistance (24h) |
The surface of the composite film shall be free of falling off and other obvious changes |
No shedding and other obvious changes were found |
GB/5237.3-2008 |
Solvent resistance |
Pencil hardness difference ≤ 1 |
0 |
GB/5237.3-2008 |
Boiling water resistance |
The paint film shall be free of wrinkles, cracks, bubbles, peeling or discoloration |
No defects are found in the standard |
GB/5237.3-2008 |
Detergent resistance (72h) |
The composite membrane shall be free of bubbles, falling off or other obvious changes |
No bubbles, falling off or other obvious changes are found |
GB/5237.3-2008 |
Salt spray resistance (24h CASS) |
More than 9.5 |
10 |
GB/T10125-2012 |
Artificial accelerated weathering |
2400h xenon lamp irradiation |
|
GB/T1865-2009 |
Degree of pulverization |
0 |
0 |
|
gloss retention |
More than 80 |
82 |
|
Degree of discoloration |
Less than 1 |
1 |
|
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