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904RT Plastisol & solvent Emulsion-

904RT Solvent ink Emulsion

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Product Code: E-0117

Size for 904RT*:


904RT Platsisol & Solvent Emulsion

904RT Plastisol & Solvent Emulsion is a fast-drying dual-cure photo emulsion. 904 RT is recommended for solvent and plastisol inks. It also is a fast-exposing diazo photo-polymer emulsion" that has great solvent resistance for solvent-based inks. Reclaiming the cured film of 904 RT is easy; the screen may be reclaimed with our stripper. Diazo is added by adding water at room temperature, shaking it properly until dissolved, and then adding the solution to the emulsion. Mix well into the emulsion and let it stand for at least 30 minutes to release any air bubbles that may have formed.

Preparation of Screen and Emulsion:

  1. Clean the screen with a degreaser and let it dry completely.
  2. Add water to the diazo bottle & shake for a minute or so, ensuring all of the diazo is dissolved.
  3. You may apply one coat of emulsion with diazo on the squeegee side and one on the print side or two coats on each side starting from the print side. The more coats you put on, the heavier the stencil will be achieved. With a heavier stencil, the exposure time will be increased. let the emulsion film dry, and then wash the screen with a mist of water to open the image area.. get all the water out by air or blotting; otherwise, the emulsion residue may run into the image area, blocking the ink. Look for any pinholes. 904RT does not usually yield pinholes if exposed within the optimum exposure limits. If there are pinholes, use block-out to close them. Xenon products have an excellent block-out for this purpose.

  • Excellent solvent resistance
  • a broad spectrum of exposure limits, more extended latitude
  • excellent resolution
  • high edge definition
  • good mesh bridging
  • fast drying
  • Longer print capabilities with outstanding durability
  • easy reclaiming
  • good humidity resistance
  • quicker exposure

Specification Data:
  • Color: greenish blue
  • viscosity: 13,000/15,000 cps at 20 rpm
  • solids: 40% + -1%
  • solubility: water

Distance for the exposure should be about one and a half times the diagonal measurement of the artwork from point light sources. Yellow & orange mesh requires at least 50% more time than white mesh. The times below are based on a white 110 white mesh of approximately 40 inches.
  • metal halide: 60 seconds for 1000 watts / 25 seconds for 3000 watts /15 seconds for 5000 watts
  • carbon arc 245 seconds for 15 amps/ 130 seconds for 30 amps/ 70 seconds for 60 amps /
  • Fluorescent. Tubes 180 seconds for 40 watts

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