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Help CenterPhoto Emulsion for Mesh Screen Printing
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Specifications
photo emulsion for mesh screen printingDouble-component, water-based red or white emulsion
Suitable for 100 ~ 400 mesh sc
photo emulsion for mesh screen printing
Features:
• Double-component, water-based red or white emulsion.
• Suitable for 100 ~ 400 mesh screen printing
• Fast developing, easy to wash, good graphic rendition.
• High resolution, can produce fine line graphics.
• It could do pre-coated version, stored 3-7 days.
For a variety of solvent and non-solvent-based high-precision plate
Application:
Washing the screen:
Before coating must clean the screen plate, use neutral and alkalescence, detergent. Then use clean water wash and make it dry.
Preparing the photosensitive emulsion:
It should be operated under a gentle yellow light (prohibit from operating in no opacifying condition). 5-7g of SE101-2 photo sensitizer solution is added into 80ml pure water then add 1000g of photo emulsion, stir clockwise until to homogenous, stand for 1~2 hours to let off bubbles in a cool and dark place.
Equipment:
Stainless steel scraper, aluminum scraping, ordinary scratch.
Coating:
Squeegee the bolting cloth with the photo emulsion 1-2 times, then dried at 30~40°C in an oven with circle wind to 20-30min.
Exposure:
Before exposure, prepare photographic machine platen glass cleaning and checking the printing bolting cloth. Ensure the printing bolting cloth and screen printing surface closely.
Exposure time Reference:
Light |
Power(W) |
Distance(CM) |
Photographic time(S) |
UV |
40 |
10 |
40-80 |
Metal halide |
5000 |
200 |
120-180 |
Daylight lamp |
40 |
20 |
300-600 |
Above exposure time just for your reference.
Developing:
Immersing the Photosensitive screen in 10-30 ° C water to bath 1-2min. Then put the screen on the wash shelf until the obvious graphics rendering shown. Washing the screen with pressure of the water to found l a clear graphic outline. Then dried at 40°C in an oven with circle wind.
Revised:
Take out after cooling, then revised the screen and seal the edge.
Curing:
Corrected screen need the secondary exposure. Brush the both side of screen with the stencil hardener. Then put in 50° C oven 1hour to drying or 4hours natural drying.
Packing:
5kg standard plastic drum, 20kg/case.(With 360Gram sensitizer and 1kgs stencil hardener)
Storage:5-35°C one year ; 15°C Two weeks after add the sensitizer solution
Non-warranty:
All suggestions and data in this bulletin are base on our present techniques and experiences. However, we don’t rule out this necessary of the prospective user’s experiments also we make no guarantee that the properties of our products are completely perfect or suitable for special use in law.
The users of our products have responsibilities of respecting proprietary rights of our materials , as well as present law.
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