Duncan Ceramics Cover-Coat - Neon Chartreuse - 2oz
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Product Information
Full details
The Duncan Ceramics Cover-Coat Opaque Underglaze in Neon Chartreuse is designed for ceramic artists seeking vibrant, opaque color coverage on bisque or greenware. Its key benefit is providing solid, even color that adheres well for brushwork and airbrushing, with a quick-drying formula that allows for layering. A caveat to consider is that it requires firing to mature and achieve stability, and food safety is dependent on applying a separate food-safe clear glaze.
All features
| Model Part Number | CC203-2OZ |
|---|---|
| Brand | Duncan Ceramics |
Extended Product Information
FAQs
What is the best way to apply Cover-Coat underglaze?
Shake the bottle well. Apply 3-4 even coats to bisque or greenware using a brush or airbrush. Allow adequate drying time between coats.
What temperature should I fire my piece after applying Cover-Coat?
Fire to Shelf Cone 04 to permanently adhere the Cover-Coats to the ware. If applying a clear glaze for food safety, fire to Shelf Cone 06.
Can I mix Cover-Coat colors together?
Yes, you can tint Cover-Coat colors using other Cover-Coat colors or Duncan E-Z Stroke Translucent Underglazes to create custom hues. Mix thoroughly.
How do I make my decorated piece food safe?
After firing the Cover-Coat underglaze to Cone 04, apply a food-safe clear glaze (like Duncan Crystal Clear) and refire to Cone 06. Ensure the clear glaze is rated as food safe.
What is the drying time for Cover-Coat?
Cover-Coat underglazes dry quickly, usually within minutes, which makes them excellent for layering.
Can Cover-Coat be used on greenware?
Yes, Cover-Coat can be applied to greenware, but it must be fired to Cone 04 before glazing and refiring.
How should I clean my brushes after using this underglaze?
Clean all brushes and tools with water immediately after use, before the underglaze dries.
Troubleshooting
Underglaze appears streaky or uneven.
Ensure the underglaze is thoroughly shaken before use. Apply a minimum of three consistent coats, allowing each to dry partially between applications. Check that your brush or airbrush is applying an even layer.
Color is lifting when applying subsequent layers.
Allow each layer to dry more thoroughly before applying the next. Cover-Coat underglazes are designed to dry quickly, but excessive moisture from a subsequent coat can rehydrate the layer below.
Underglaze is too thick for airbrushing.
Thin the underglaze slightly with water (a few drops at a time) until it reaches a sprayable consistency. Test spray on a scrap piece before applying to your final work.
Finished piece is not food safe.
Verify that a food-safe clear glaze was applied over the fired Cover-Coat underglaze and that the piece was fired to the correct temperature (typically Shelf Cone 06 for clear glazes). Ensure the clear glaze used is certified food safe.
Underglaze does not cover dark colors well.
Apply additional coats of the Cover-Coat underglaze. The product is designed for solid coverage, but very dark underlying colors may require four or more coats for full opacity.
Pros and Cons
Pros
- Provides excellent, opaque coverage.
- Dries quickly for efficient layering.
- Versatile for both brushwork and airbrushing.
- Can be tinted to create custom colors.
- Allows for decorative techniques like sgraffito.
- Achieves food safety with a proper clear glaze application.
Cons
- Requires firing to achieve durability and true color.
- Food safety is conditional on applying a separate clear glaze.
- The finish is porous and matte before clear glazing.
- May require multiple coats for complete opacity on some surfaces.
- Small 2oz bottle size may be limiting for larger projects.
Setup, Compatibility & Care
To use Duncan Ceramics Cover-Coat - Neon Chartreuse, ensure your ceramic piece is fired to at least a soft bisque or greenware stage. Shake the 2oz bottle well before use. Apply approximately three even coats directly to the bisque using a brush or airbrush. Allow each coat to dry sufficiently before applying the next. For permanent adhesion and maturation, fire the piece to Shelf Cone 04. If food safety is desired, apply a food-safe clear glaze (such as Duncan Crystal Clear) over the fired Cover-Coat and refire to Shelf Cone 06. Clean brushes and airbrush equipment with water immediately after use.
Compatibility: This underglaze is compatible with other Duncan Cover-Coat colors and Duncan E-Z Stroke Translucent Underglazes for custom tinting. It fires successfully between Shelf Cone 06 and Cone 20. For food safety, use only with certified food-safe clear glazes.