Diazo Photo emulsion

Product Description
Diazo Emulsion Prepolymer is used to make the silk screen printing screen

Areas of Application
Water based  
plastisol inks
Solvent based ink

Technique Feature
Color = blue
Solid content = 39%
Viscosity = about 8000 cPs(25℃) before curing
Sensitization
The diazo sensitizer powder HD diluted by water, and then join the emulsion. Deaeration timeis about two hours. Mix well and kept
in the dark and cold environment (4 -10 ° C), the service life is 4 weeks.

Application
How to apply depends on the screen mesh count, mesh count is recommended by 34 t - 120 t.Like the a screen of 62 t, suggest to
coat layer of emulsion on the printing surface,coat a layer of emulsion on the blade surface (in the order specified).

Drying
Suggest not to exceed 30 ° C - 35 ° c. According to different dosage of sensitive glue , the drying time will be different.

Exposure
Exposure depends on the dosage of the emulsion. It is recommended to use 5000 w power UV metal halide lamp, as follows:
Mesh count = 55T
Lamp = 5000 w power UV metal halide lamp
Distance = 140cm
Exposure time = 60-70 seconds

Development
Suggested that the screen immersed in water at room temperature for about 5 minutes.By water spray, and then put into thethe oven
to dry, the temperature is about 30 ° C to 40 °.

Recoating
After use the sensitization of emulsion recoating, need to expose a few minutes.

Catalysis
Safety data sheet
If the printing quantity is big,need special chemical/physical resistance, emulsion must be catalysised by 210 catalyst.The curing
time of making screen is as follows:
12 hours,drying in the room temperature
45 minutes, 50°C drying in the oven

Note: Catalysis of emulsion can not be demoulded from the screen.

Glaze
If need to protect the edge of the screen, it is recommended to use series of DURAL ARCHIM

Demould
If you need to demould from the screen after using, it is recommended to use POLISTRIP