Adhesive universal back paint
It is a general common back paint, which has been used for many years. The product will have a very strong cost performance ratio, can meet the performance requirements of large customers, can run at high speed, and can be used with polyester, fluorocarbon and other coatings from various suppliers
The back paint coating is an extremely thin functional coating, which provides good outdoor durability under extreme weather conditions. When the installation environment has no special requirements for the coating, it needs more attention
Unique advantages of back paint series:
A. Good foaming property
B. High coating rate
C. Strong corrosion resistance
D. Wide range of construction conditions
The color is mainly gray, with strong covering power
The base material is usually applied to the back or non-exposed surface of the rolled coating base material, such as hot-dip galvanized sheet, aluminum-plated sheet, aluminum sheet
Application Due to the very low film thickness of the finish paint (6 microns), in order to achieve a good covering power, special technology and special pigments must be used to completely cover the substrate. The coating adhesion and sandwich board adhesion are very good, which can be used for the production of sandwich boards with various glues. Special surface treatment can reduce the problem of paint overlap between layers during transportation
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Test items |
Test indicators |
Experimental method |
Test items |
Test indicators |
Experimental method |
|
Fineness |
≤ 25um |
GB/T 1724-89 |
T-bend |
≤ 4T |
NCCA II-19 |
|
Coating color and appearance |
Flat and smooth, with uniform color |
GB/T 11186. 3 |
MEK wipe resistance |
≥ 50 times |
NCCA II-19 |
|
Chromatic aberration |
△E≤ 1.0 |
Compared with standard plate |
Impact |
None |
GB/T 1732-1993 |
|
Gloss |
Do as required |
GB/T 9754-1988 |
Pencil hardness |
≥ 3H |
GB/T 6739-1996 |
|
Hundred-grid test |
Level 0 |
GB/T 9286-1998 |
Salt fog resistance (with bottom 500Hrs) |
≤ 2mm, scribing on one side |
GB/T 1724-1998 |
|
Dry film test |
Do as required |
GB/T 1724-1998 |
Curing temperature (plate temperature) |
216-241℃ |
Thermometric paper |

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