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Tips for successful
use of
Ferro Goldrush Pen to your glass.
This is a simple process but we recommend you read thru the following information to insure successful
firing of the gold to your glass.
APPLICATION
Gold Pens for Fusing
Goldrush pen contains a liquid that can be applied to the glass and then fired to around 1200F (650C). After
firing to your glass or ceramic it will produce brilliant gold
lines. Use the Goldrush pen for making permanent decorations,
writing or signing your glass artwork.
Just like a regular ink pen you first press down on the tip to start the ink
flowing. When you first use your pen, shake it and press once or
twice onto paper to make sure you have a flow of gold. Then
proceed to write on your "Clean" glass or draw.
It is important to
make sure the glass surface is free of oil or fingerprints from your
hands so after cleaning your glass handle it by the side,
edges.
As you write or draw it
will look a bit pale and appears brown with a slight gold tint. It
will not display as a bright gold color. It will not necessarily
apply as a uniform thickness. It is difficult to apply more than one
coat at a time so it is best to allow the gold ink to dry and then fire.
ENCASEMENT:
Ferro Goldrush can be fire
on top of or between layers to 1050F - 1150F (bonds at 1112 degrees
F)
Note: The Goldrush ink
will usually survives a full fuse firing.
Tips to working with
any Liquid Gold when firing to Glass or Ceramics:
1. Liquid Gold should
be applied sparingly due to the expense so it should be used for decorative,
writing or a distinctive touch instead of a full coverage
application.
2. Create test samples before using different thickness of
application and write on the fused glass to identify each level of
application.
3. Brightness of the
gold versus a matte finish is controlled by how it is applied. The
thinner layers of gold will be brighter when fired, while thicker layers will become more
matte in appearance
4. Manufacturers
recommend firing your glass or ceramics to the 1150 to 1250F (620 to 675C) range.
If you fire too high, the gold can burn off or reduce it's brilliance.
(Ceramics versus glass is an exception because they can have a higher firing
rang)
5. Gold always adheres best with a slow firing and a soak (just
like the low fire glass decals). By providing time for the gold to adhere firmly
to the glass you will produce a great finish piece. Firing too quickly can result in
unexpected results like pitting, faint or inconsistent application,
etc..
6. ALWAYS vent your kiln when firing gold. The fresh air in to the kiln up to around 1100F
(593C) allows the solvents in the liquid gold to burn off and not
allow it to contaminate other items in the kiln. It is not
recommended to mix gold items with others non gold pieces in the same firing.
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