Glaze type · Base glazes & colours
Pink & red (stains, chrome-tin)
Across 214 published recipes: mostly cone 6 and cone 10, fired in oxidation and reduction; Glossy, opaque.
Atmosphere
oxidation 80% · reduction 15% · neutral 4% · raku 1%
Surface
Glossy 69% · Semi-glossy 10% · Matte 9% · Satin matte 6% · Semi-matte 6%
Transparency
opaque 51% · semi-opaque 25% · translucent 16% · transparent 8%
Materials that define it
Share of recipes containing each material, and the typical amount when present. Materials link to their reference pages.
| Material | In recipes | Typical | Half of recipes |
|---|---|---|---|
| Silica | 84% | 22.76% | 17–30% |
| Tin oxide | 62% | 5% | 5–6% |
| Whiting | 61% | 17.01% | 12.3–20% |
| Chrome oxide | 48% | 0.2% | 0.1–0.35% |
| EPK | 42% | 11% | 7.83–16% |
| Ferro frit 3134 | 35% | 18.4% | 14–26.19% |
| Nepheline syenite | 34% | 18% | 16–27.6% |
| Kaolin | 28% | 11% | 7.7–18% |
| Bentonite | 23% | 2% | 1.87–2% |
| Wollastonite | 22% | 24.75% | 18–26.6% |
| Gerstley borate | 18% | 13.5% | 8.82–21% |
| Red iron oxide | 17% | 5.55% | 1.53–10% |
| Potash feldspar | 16% | 28.2% | 15–40% |
| Talc | 15% | 4.3% | 3.23–10.05% |
Typical fired chemistry
Median oxide analysis (weight %) across the recipes that report one, with the interquartile range. Silica and alumina set the melt; the fluxes and colorants make the family.
| Oxide | Median | Half of recipes |
|---|---|---|
| SiO2 | 51.54% | 47–55.38% |
| Al2O3 | 9.76% | 8.01–11.9% |
| B2O3 | 4.14% | 2.96–5.81% |
| Na2O | 2.72% | 1.75–3.46% |
| K2O | 1.41% | 0.82–2.78% |
| CaO | 11.69% | 8.25–13.66% |
| MgO | 0.45% | 0.07–1.31% |
| SnO2 | 4.76% | 4.47–5.65% |
What potters should know
Chrome-tin pinks need a little chrome and plenty of tin in a calcium-rich glaze; many modern pinks and reds are stains instead.
Related types
Questions
- What is a Pink & red (stains, chrome-tin) glaze?
- In 214 published recipes, Pink & red (stains, chrome-tin) glazes are mostly fired to cone 6 and cone 10 in oxidation and reduction, with a Glossy, opaque result. The defining materials are Silica, Tin oxide, Whiting, Chrome oxide, EPK.
- What cone is Pink & red (stains, chrome-tin) fired to?
- The most common cones in published recipes are cone 6 and cone 10; the full distribution is on this page. Atmosphere matters as much as cone for this family: oxidation and reduction.
- What is the typical chemistry of a Pink & red (stains, chrome-tin) glaze?
- Median fired analysis: SiO2 51.54%, Al2O3 9.76%, B2O3 4.14%, Na2O 2.72%, K2O 1.41%, CaO 11.69%. Treat these as the centre of a range, not a target — the same family spans different fluxes and cones.
Sources. Every figure is a statistic computed by Claybench over 10,859 glaze recipes compiled from publicly shared community recipe collections (snapshot 2026-02-27); no recipe is reproduced. Colour-chemistry notes are paraphrased from Linda Arbuckle's Ceramic Materials handout.
Colorant and flux notes touch on materials with handling hazards (barium, cobalt, chrome, manganese, lead in historic recipes). Read each material's page and its supplier SDS before mixing; test any food surface.
Claybench checks a glaze against your clay body and cone before it lands on a plan
Recipes, materials, hazards and cone fit — the same reference behind this page, inside the studio planner.