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Cone 6 oxidation (first photo): Copper Float glaze is a rich and complex midrange glaze with hues varying from reds, to coppers to gun metal blacks. Predominate coloration is a dark rusty red. The surface is satin-matte when fired to cone 5 or 6.
Cone 10 reduction (second photo): Finish flattens. Color changes to a warm brown with some copper mottling.
TIP: One coat will produce dark, greenish tones, thicker coats will add greens. Thickest applications will result in metallic red hues.
Mayco’s Stoneware Classic glazes offer the depth, sophistication and reliability to artists working from mid-range to high-fire temperatures. Opals are beautiful glazes for dinnerware due to its glossy, smooth finish. This glaze is great on texture and will break over high texture and pool into
Stoneware Classic glazes satisfy a variety of performance and color selections that range from bright and vibrant to earthy and subdued. Our Stoneware glazes provide a variety of finishes, movement, and variation. Some glazes are high gloss, opaque, and flat in color, while others have a more complex surface that is varied in both finish and color.
The Stoneware Classic glazes also include Opals and Ice (translucent) glazes. These glazes heighten surface details where they gather and pool, work well on a variety of clay bodies, and have a firing range from cone 5-10.

NOTE: Please refer to each specific glaze product label for information about applications for dinnerware, health, and food safety. All Mayco Stoneware glazes are dinnerware safe when used according to manufacturer’s directions, except where noted by the “Not Dinnerware Safe” icon. This may be due to surface durability or texture of fired surface. Finished ware producers may be required to have their ware food safe tested prior to introducing into commerce.
Ships within 48 hours · Estimated delivery Jun 19 - Jun 24
US$40
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