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Water Based Varnish for Paper Board Poker coating

WB711 (off-line) | WB902 (off-line) | WB702 (in-line) | WB808 | |
| Composition | Emulsion of polyacrylate | |||
| Viscosity(Ford cup#4/25℃) | 37.5 ± 2.5 sec. | 50 ± 5 sec. | 50 ± 5 sec. | 55 ± 5 sec |
| Appearance | Milky white liquid | |||
| Solid content(%) | 34 ± 2 % | 45 ± 3 % | 45 ± 3 % | 31.5 ± 3.5 % |
| pH | 8.5 ± 0.5 | 8.5 ± 0.5 | 8.5 ± 0.5 | 8 ± 0.5 |
| Odor | Slight ammonia odor | |||
1 .Process:
WB711 & WB808 =>by roller/offset coating
=>Use short wave inferred light(100℃/2sec)
2 .Film Special property:
(1)Good gloss
(2)Adhesion with printing ink
(3)Abrasion resistance
(4)Slip and Leveling
1 .Process:
WB902 & WB702 =>by roller/offset coating
=>Use short wave inferred light =>Press cylinder
Press cylinder condition:
Pressure : 150-200kg/cm2
Temperature: 95-110℃
Length of late: Longer then 10 Meter
2 .Film Special property:
(1)Good gloss
(2)Mold releasing
(3)Fast drying
(4)Abrasion resistance
(5)Non-yellowing


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