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Texsource Procoat Photopolymer Emulsion
Texsource ProCoat Emulsion

Texsource Procoat Photopolymer Emulsion

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Part Number:PROCOAT-

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Quart [+$33.46]
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Texsource Procoat is an economical red/pink photopolymer emulsion designed for textile printers using plastisol and post exposed water-based inks. It can also be used with water-based ink systems, however post exposing is required.  It is 42% solids and presensitized so that pre-mixing sensitizer is not required.  Procoat is a fast exposing emulsion so care should be taken during handling to avoid exposure to daylight, quartz/halogen lamps, cool white fluorescent lamps, or discharge lamps.

 Data Facts:

Red-pink in color, this photopolymer emulsion offers 42% sensitized solids and 6000 CPS sensitized viscosity.  Excellent for all type of plastisol applications. Should last 12 months.  Procoat will work well with mesh counts of 74 or higher.

 Exposure Time Reference:

When using a 3KW Metal Halide Exposure lamp on mesh counts from 80 to 300 as a guide, set your exposure time between 160-200 seconds.  On mesh counts of 300 to 350 allow 50 to 60 seconds exposure, and for mesh counts of 350 or more allow 30 to 45 seconds for exposure. Remember, these exposure settings should only be used as a guide since exposure time will vary depending on equipment used, lamp life, type of emulsion, and applied coatings.

 Coating Sequence:

It is not recommended to finish the last coating on the print side of the screen.  Finish the last coating on the squeegee side. If the coating ends on the print side, the E.O.M. thickness will decrease and go thinner on the print side.  This will cause premature stencil breakdown and poor ink deposit.

 Resolution and Hardness:

Some printers do underexpose the screen in order to have details of images resolved on the screen.  Unless the number of printing impressions is very low, underexposed screens with poor hardness will cause many problems in the printing process, such as premature breakdown, more fish eyes, and pinholes, locking up emulsions with inks, ink cleaners, or other chemicals.  It is important therefore, to locate and standardize a proper exposure time and a good hardness scale by mesh count and coating profiles.

NOTE - The product image is intended to show an approximate color of the product when applied to the screen.  Actual color may vary.  Product listing does not include screen and / or scoop coater.

Emulsion Exposure Differences
Proper screen exposure must take many factors into account – the emulsion type, coating thickness, exposure unit, etc.  As a general guideline for the different emulsion types (diazo, dual cure, and photopolymer) use these times as a reference. 

Photopolymer – These are typically the fastest exposing emulsions, with many exposing correctly from 30-50 seconds.  The shortest times can be seen when using a newer LED-type exposure unit. 

Dual Cure – If you have established a good exposure time with photopolymer emulsions, you can typically add 90 seconds (1.5 minutes) to that time for most dual cure emulsions.

Diazo - If you have established a good exposure time with photopolymer emulsions, you can typically add 210 seconds (3.5 minutes) to that time for most diazo emulsions.

These times will depend heavily on your exposure unit and should only be considered as a starting point.

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