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Duncan Overglazes ~ Precious Metals and Lusters
Each precious metal or luster should have its own
brush and bottle of Essence! Mark each Perminum Gold, White Gold, Bright Gold
and Mother of Pearl brush and Essence to avoid cross contamination by other
paints.
Apply to glazed and fired surfaces that are free of dust, skin
oils and lotions to ensure proper adhesion. Wipe the surface with rubbing
alcohol prior to applying the overglaze (except when using over crackle glazes)
and allow the alcohol to dry. Use these products only in properly ventilated
areas. Noxious fumes can be offensive. Be sure underlying glaze is overglaze
compatible.
Stilt to fire. Air flow around the piece is
important.
When using precious metals and lusters on the same piece,
apply and fire the metallics first.
Clean brushes with
Essence.
Remember - golds and lusters go on your FINISHED glazed and
fired ceramic piece. Remove piece carefully from kiln to avoid covering surface
with fingerprints, then follow directions to apply overglaze.
Right click your mouse to save the Duncan Overglaze Flyer pdf file to your computer.
Note: Due to the
fluctuating price of gold we will no longer be able to give any quantity
discounts on gold products There is no way to change our shopping cart to not
include an item in the discounts.
So, if a discount shows up in the
shopping cart it will not be part of the final price.
| OA901 | Essence Cleaner for brushes which are used with overglazes. Use a separate bottle of Essence for each overglaze product. Mark the bottles according to which overglaze product was used. Contamination can result if brushes and/or Essence used with one product come in contact with brushes and/or Essence used with another. For example, if you use Bright Gold and clean your brush in one bottle of Essence, then clean a brush used with Mother of Pearl in that same bottle of Essence, contamination will result and could compromise all subsequent firings. |
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| OG801 Precious Metal |
Bright Gold - fire to cone 019-018 OG801 is not recommended for use with a gold writer pen on glass |
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NO DISCOUNTS ON GOLD. |
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| OG802 Precious Metal |
White Gold - fire to cone 019-018 |
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NO DISCOUNTS ON GOLD. |
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| OG803 Luster |
Mother-of-Pearl
- fire to cone 020 |
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| OG805 Precious Metal |
Premium Gold
- fire to cone 019-018 |
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NO DISCOUNTS ON GOLD. |
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New 'How to use Precious Metals' from Duncan
1. Be sure that the surface of your piece is free of
dust, skin oils and lotions to ensure proper adhesion. Wipe surfaces with
rubbing alcohol prior to applying the overglaze (except when used over crackle
glazes).
2. Always apply with a brush that is designated solely for use
with the Gold to prevent contamination.
3. Do not stir or shake glaze.
4. Place a small amount of overglaze on a glazed palette. Apply one smooth
coat. Do not let the Gold pool in an area; brush it out smoothly.
5.
Correct application should produce a Christmas green tint.
6. Clean brush
in Essence and let dry.
7. Overglazed ware can be fired while it is still
wet. The kiln must be clean, well-ventilated (do not overload) and follow a
normal firing schedule. Do not touch wet decoration and handle as little as
possible until ware is fired to avoid smudging.
8. Stilt and fire the Gold
to shelf cone 019-018.
Tips & Techniques
1. The appearance of Gold will vary with the type of
glaze over which it is applied. When applied over a gloss glaze, Gold will be
shiny. When applied over a matte glaze, Gold will be dull.
2. If Gold is
accidentally applied on the wrong area, dip a cotton swab in Essence and wipe
off misplaced color.
3. If any areas are missed, go back and touch up
before Gold dries.
4. If using a metallic overglaze and Mother of Pearl on
the same piece, apply and fire the metallic overglaze first.
5. For solid
coverage with Gold, apply over a grey glaze or a grey underglaze covered by
clear glaze.
New 'How to use Mother-of-Pearl' from Duncan
1. Be sure that the surface of your piece is free of
dust, skin oils and lotions to ensure proper adhesion. Wipe surfaces with
rubbing alcohol prior to applying the overglaze (except when used over crackle
glazes.).
2. Always apply with a brush that is designated solely for use
with Mother of Pearl to prevent contamination.
3. Do not stir or shake
glaze.
4. Place a small amount of overglaze on a glazed palette.
5. For
a swirled look, swirl on 1 coat, overlapping strokes.
6. For a smooth look,
brush on all strokes in the same direction.
7. Correct application should
produce a light blue tint.
8. Clean brush in Essence and let dry.
9.
Overglazed ware can be fired while it is still wet. The kiln must be clean,
well-ventilated (do not overload) and follow a normal firing schedule. Do not
touch wet decoration and handle as little as possible until ware is fired to
avoid smudging.
10. Stilt and fire Mother of Pearl to shelf cone 020.
Tips & Techniques
1. The appearance of Mother of Pearl will vary with
the type of glaze over which it is applied. When applied over a gloss glaze,
Mother of Pearl will add a shiny luster. When applied over a matte glaze,
Mother of Pearl will add a dull luster.
2. If Mother of Pearl is
accidentally applied on the wrong area, dip a cotton swab in Essence and wipe
off misplaced color.
3. If any areas are missed, go back and touch up
before Mother of Pearl dries.
4. If using a metallic overglaze and Mother
of Pearl on the same piece, apply and fire the metallic overglaze first.
'Old' Overglaze Tips & Techniques
These products are extremely prone to contamination.
Even sneezing near the open bottle will allow water to become encapsulated in
the product and affect the fired outcome.
1. Work in a well ventilated
area, not windy or dusty.
2. Because metals always settle, turn bottle over
and allow metals to fall, to mix the product to an even suspension. Do not
shake vigorously. This can cause tiny air bubbles which may look like black
spots on your fired gold.
3. Use a NEW or previously used brush dedicated to
that product only. For example, keep the brush for OG 805 clearly marked and
use only for OG 805.
4. Clean up with OA 901 Essence. Clean the brushes
thoroughly and allow them to air dry. Each overglaze should have its own
clearly marked bottle of Essence. Using the same bottle of Essence can cause
cross contamination and affect the fired outcome.
5. A second coat of gold
re-fired over the first one will improve the richness of the look.
6. In
cold weather, when the ware is cold or damp to the touch, heat up the pieces in
the oven to approximately 150 degrees and then apply the gold.
7. To apply
Mother of Pearl, use a cotton tipped swab. For small areas, wrap a small amount
of cotton on a toothpick and apply in the same manner, using a swirl or
circular motion. Simply discard, no brush to clean up!
Unfired Brite
Gold has a red/brown appearance.
Unfired Premium Gold is dark
amber.
Unfired White Gold is dark green.
Unfired Mother of Pearl (MOP) is
light blue.
If fired hotter than recommended, MOP will have a frosted
appearance. Cooler firing leaves the color shiny and iridescent. If applied
over Satin glaze the MOP will be iridescent matte.
If fired hotter than
recommended Gold can result in a cracked or webbed finish. With a cooler firing
gold may rub off.
Simple, Secure, Convenient - Creative Glazes.
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