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The body is Plainsman M390. The firing schedule is Plainsman PLC6DS.
| Glossary | Opacifier Glaze opacity refers to the degree to which it is opaque. Opacifiers are powders added to transparent ceramic glazes to make them opaque. | 
| Materials | Zircon | 
| Materials | Tin Oxide Its principle use in ceramics is as an opacifier in glazes. It is very expensive. | 
| Recipes | G2934 - Matte Glaze Base for Cone 6 A base MgO matte glaze recipe fires to a hard utilitarian surface and has very good working properties. Blend in the glossy if it is too matte. | 
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