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Vase with Gold

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.
Essence Sorry, we are temporarily unable to ship this product. We will let you know if and when this changes.  
         
OG801
Precious Metal
Bright Gold -
fire to cone 019-018

OG801 is not recommended for use with a gold writer pen on glass
Bright Gold

2 grams - $29.95  
 

NO DISCOUNTS ON GOLD.

         
OG802
Precious Metal
White Gold -
fire to cone 019-018
White Gold

2 grams - $29.95  
 

NO DISCOUNTS ON GOLD.

         
OG803
Luster
Mother-of-Pearl -
fire to cone 020
Mother of Pearl

1/2 oz - $6.00   
  

 
         
OG805
Precious Metal
Premium Gold -
fire to cone 019-018
Premium Gold

2 grams - $44.95 
  

NO DISCOUNTS ON GOLD.

         


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.


Snowman cone with Gold

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.



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