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Stamping with Mica and
Paint Powders onto Glass
Stamping with Mica and Paint Powders onto Glass..........
Preparing the glass
Thoroughly clean the glass with dish soap or alcohol. Avoid using glass cleaners. They can leave a film that will cause the mica
to stick to the glass everywhere and not just where it has been stamped.
What to use
You can use any rubber stamp that can be purchased at any store that sells them or have one custom made to any desired
design. Either a glue pad or “VersaMark” will work but if the image has fine detail, or if you plan to cap the image with other
glass, the “VersaMark” pad is preferable.
Preparing the stamp.
Apply glue to the stamp. You can either press the stamp onto the pad or press the pad onto the stamp.
Applying glue to glass
Press the stamp with glue on it onto the glass. Press down as straight and steady as possible to prevent the stamp from sliding
on the glass. Take care to press down firmly but gently and especially be sure the corners of the stamp are pressed down. If
you aren’t gentle, the stamp will move and smudge the image. Lift the stamp straight up to remove.
You can also draw a pattern on the glass with a “Versa Marker” and apply mica to the glue it leaves.
Applying the mica
Sprinkle a small amount of mica onto the glue you applied on the glass. Spread it around gently with a small paint brush. Try to
brush the mica away without touching the glue. If you aren’t gentle, you will smudge the image. Continue until all the glue is
covered. You can apply a single colour mica or a mix of different colours. Wipe the excess mica away gently with a clean cloth
or paper towel.
You can fire with or without a glass cap. If you plan to use a cap, do NOT use a glue pad. The glue is too thick and can create
bubbles in the fuse. This is not a problem if you use a “Versa Pad”. Also, do NOT fire with the mica touching the kiln shelf.
Different temperatures are required to fire different makes of mica. It’s important to fire hot enough to fuse but not so hot the
color burns out. Most makes require firing to at least tack fuse and fire well at full fuse.
Don’t be concerned if a small amount of mica comes off after firing. Only the mica that is in direct contact with the glass will
fuse. The rest will simply brush away.
Carefully wash the stamp clean with soap and water and let dry ready for the next use.
Iridescent and dichroic glass.
Mica will not stick to a metallic surface. If you want to use iridescent or dichroic glass, you must cover it with clear glass (either
under or over). The mica will then fuse to the clear while the uncovered clear fuses to the dichroic or iridescent surface.
For using paint powders simply use the same processes above. Paint powders will work on dichroics and irids.
We normally stamp on the clear then place the fired art onto color of our choice then fire again.
We use a piece of Black Construction paper under our work area so we can see what the glue and mica look like.
Mica Powder - UP TO 1400 DEGREES
Mica powders can add color, sparkle, depth and interest to your fused glass. Mica is
compatible with any glass including inexpensive window glass.
To apply, sprinkle or brush onto your glass and fuse between two layers of glass.
• What you see is what your end result will look like.
• Because of this I play with the application/delivery of the Mica onto a blank
clean palette then once I see what delivery gives me the look I like, I then apply it in
that fashion to my art.
• Yes, I put the played with powder back into my container for future use.
For more precise designs mica can be mixed with Water Friendly Medium and water
and painted or silk screened on just like enamels.
Adding the Mica to Paints that are Transparent is another way to add awesome
sparkle to your painted areas on your art.
These colors hold up to 1400ºF and come in many different colors.
To use Mica without encasing between layers:
Just mix with an over-glaze like Super Spray or Clear Coat.
These particles are fine enough to run through your airbrush.
NOTE: Mica powders or Pixie dust from most craft stores do not fire well, they turn
black on the fused art due to not being able to withstand the heat.