Such defoamers prove to be effective in curtain coating
and other advanced application methods as well as application of coatings with rollers and brushes.
Usually, premetered methods, such as slot, tensioned-web-over-slot die (TWOSD), slide, and curtain coating
techniques, are used to produce multilayer films.
The delivery will also include a new curtain coating
station with a one-sided gas-heated air dryer.
These primary coatings are applied via metering bar, stiff and bent blade, air knife, and curtain coating
has been considered an effective means for applying a thin liquid layer on a moving substrate for decades.
in the early 1970's was big business, with multiple staff and staggered breaks 500 sheets of 8' * 4' hardboard could be run through in a day, the panels were coated and cooked so that they could immediately be palletized ready for despatch the following morning.
PSR-4000 CC200 HRS solder mask is for curtain coating
. Is said to have fast exposure time and resistance to harsh final finishes such as immersion tin.
It can be easily formulated and applied by either spray or curtain coating
in safe conditions.
Fourteen chapters are presented that cover troubleshooting, coater and defect analytical tools; feed preparation; roll coating and related processes; slot, extrusion, slide, and curtain coating
; coating die design; surface tension driven defects; static electricity; drying; web handling; the role of process support equipment; coating defects database; and defect prevention.
PRODUCTION EXPERIENCE WITH CURTAIN COATING
FOR WOODFREE COATED PAPER
Examples of the former include spray and curtain coating
, while flexo, gravure and roller coating involve impact techniques.
Despite the fact that all well-known European manufacturers of finishing equipment offer curtain coating
equipment, only a few pieces were found on display at LIGNA PLUS.