These are Mason insight-live.com/glossary/182">stains added to cone 6 G2916F clear liner base glaze. Notice that all of these stains develop the correct colors with this base (except for manganese alumina pink 6020). However caution is required with inclusion stains (like #6021), if they are rated to cone 8 they may already begin bubbling at cone 6 is some host glazes.
Pages that reference this post in the Digitalfire Reference Library:
Mason 6021 Red Stain, G2916F - Cone 6 Stoneware/Whiteware transparent glaze, Stains Mason, Ceramic Stain
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