Wait ten minutes after exposure before beginning the washout procedure.
Washout, with water spray, only from the contact side of the screen
Washout using a spray nozzle, with medium water pressure force.
Use high pressure spray unit to remove unexposed emulsion.
Degreasing, drying, coating, drying, exposure, washout, drying
Coating, drying, exposure, drying, washout, drying, degreasing.
Exposure, drying, washout, drying, degreasing, coating, drying
Washout, drying, degreasing, coating, drying, exposure.
260 to 305
156 to 195
60 to 110
30 to 40
86 to 125
125 to 160
160 to 180
140 to 200
The item or surface being printed
More than one color of ink on the same screen that gives a gradation from one color to another
The outline around other areas of artwork that allows for slight registration variations.
None of the above
Dark colored plastisol.
Light colored plastisol
Manufacture’s Safety Department Standards
Material Safety Data Sheets
Manufacturing Safety Design Specifications
None of the above
To keep the screen from moving.
To allow the ink to melt into the screen.
To provide the sharpest possible image.
To maintain proper registration
The emulsion will not harden
Dust will make the screen light sensitive
The screen will attract grease
Particles of dust on the screen can cause "pin holes."
Nicks or bends in the emulsion scoop coater.
Leaving the lights on while applying the emulsion.
“Pin holes” in the liquid emulsion.
A screen that is stretched too tightly.
The emulsion will not stick to the screen.
The emulsion will absorb moisture.
The emulsion will become less light sensitive.
The emulsion will harden.
Use degreaser to remove the scum.
Dry the screen thoroughly before blotting.
Be sure to get all of the emulsion off of the frame.
Press the towel onto the screen, but do not wipe it.
The part of the screen on the inside of the frame.
The side that comes in contact with the squeegee.
The side that comes in contact with the exposure unit cover.
The side that comes in contact with the t-shirt.
The emulsion is sensitive to light.
To avoid unnecessary magnetic fields.
To keep the lights from over heating.
The hum of the lights can de-sensitize the emulsion.
Lining up the images on the screen for exposure.
The “mirror image” of the print.
Sensitizing the image to light.
Obtaining a license to use the image.
The ink is too thin.
Image was not registered correctly.
Too much iron oxide in the emulsion.
Emulsion “scum” not completely washed out of the screen.
The light sets up a magnetic field that develops the image.
The ultraviolet light hardens the emulsion on the screen.
The heat melts the ink form the film positive onto the screen.
A laser etches the image onto the screen.
Dust on the screen.
Air bubbles in the emulsion.
Specks of ink on the film positive.
Any of the above.
Hardens the emulsion to “cure” it.
Seals up any “pin holes”.
Removes any emulsion from the screen frame.
Removes the emulsion that was not exposed to ultraviolet light.
Blocks ultraviolet light.
Dissolves in oil.
The film positive will not be in proper register.
Particles of degreaser will cause “pin holes”.
The emulsion may not stick to the screen.
The screen will need longer exposure time.
The “squeegee” side.
The “contact” side.
It makes no difference.
To stretch the screen mesh to proper tension.
To hold the squeegee.
To hold the screen mesh, tension does not matter.
To act as a holder for the screen fabric and image carrier for the printing process.
Here's an interesting quiz for you.