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Glaze - Mayco / Mayco Raku Glazes

Mayco Raku Glazes

Gorgeous Iridescent & Metallic Effects

Mayco Raku glazes are designed to develop beautiful metallic lusters and crackle patterns when fired according to raku firing processes.

Application Recommendations:
The following application recommendations are based upon the original product development intent and use for the product. Shake for 5-6 seconds before use. Stir well.
• Apply 2 coats to cone 04 bisque (1940°F, 1060°C).
• Do not glaze bottom of ware.
• Allow to dry thoroughly.
• Fire to cone 06 (1850°F, 1010°C) and hold for 5 minutes.
• Reduce in your choice of combustible materials.
• Thinner coats tend to produce greater metallic effects. If you are not getting the desired metallic results you can adjust your glaze application.
• Use of a thermal shock-resistant raku clay body will help reduce the incidence of cracking.
• Actual fired results will vary according to choice of clay body, glaze application thickness, glaze fire temperature, combustible materials, reduction process, kiln, etc.
• If using an electric kiln make sure power is off before removing ware with metal tongs.
• Minimizing the distance between the kiln and the reduction container can improve the development of metallic colors.
• After ware has completely cooled use water and a scouring pad to clean; cleaning will improve the luster and colors in the fired finish.

Not Recommended for Food Surfaces: Glazes that create dimensional surfaces also create crevices and nooks that can trap food - even after washing. This food can develop bacterial growth and cause health issues. Our policy is to discourage the use of textural glazes on ware that is intended for food usage even though the glaze has met all food safety criteria.

Mayco Raku Glazes will display a variety of iridescent, metallic and/or crackled fired surfaces. (Chip sample on label was fired to temperature, at the maximum ramp rate, and immediately reduced in a lidded container densely packed with a mixture of newspaper and straw).

Mayco Discount

20% Off 12 or more.

10% Off 6 or more.

Mix and match, same size

Discount is applied after check-out

(offer may not be combined with other discounts)


Color Description Unit Qty Add
RK 100 Black Metallic   Add
RK 101 Copper Metallic   Add
RK 103 White Crackle   Add
RK 104 Red   Add
RK 105 Copper Penny   Add
RK 106 Peacock Matte   Add
RK 107 Oil Slick   Add
Glaze - Mayco / Mayco Raku Glazes