{"product_id":"masa-witgert-28-sf-25-0-0-2mm-red-stone-10kg","title":"Clay Witgert 28 SF 25% 0.5–2.0mm Red Stone 10kg","description":"\u003ch3 data-start=\"0\" data-end=\"68\"\u003eWitgert 28 Red Stone Clay – Coarse-Grained, Decorative Stoneware Clay\u003c\/h3\u003e\n\u003cp data-start=\"70\" data-end=\"385\"\u003e\u003cstrong data-start=\"70\" data-end=\"90\"\u003eWitgert 28 Red Stone\u003c\/strong\u003e is a plastic, coarse-grained stoneware clay with a distinctly rustic character. It contains 25% black grog with a grain size of 0.5–2.0 mm. After firing, the body takes on shades from red, through dark red, to purplish-red, and the dark grains create a clear contrast on the surface.\u003c\/p\u003e\n\u003cp data-start=\"387\" data-end=\"403\"\u003e\u003cstrong data-start=\"387\" data-end=\"403\"\u003eCharacteristics:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli data-start=\"405\" data-end=\"471\"\u003e\n\n\u003cstrong data-start=\"407\" data-end=\"423\"\u003eFired color:\u003c\/strong\u003e red, dark red to purplish-red\u003c\/li\u003e\n\n\u003cli data-start=\"473\" data-end=\"530\"\u003e\n\n\u003cstrong data-start=\"475\" data-end=\"488\"\u003eApplication:\u003c\/strong\u003e hand-building, slab work, and sculpture\u003c\/li\u003e\n\n\u003cli data-start=\"532\" data-end=\"576\"\u003e\n\n\u003cstrong data-start=\"534\" data-end=\"540\"\u003eForm:\u003c\/strong\u003e plastic clay, packed in 10 kg\u003c\/li\u003e\n\n\u003cli data-start=\"578\" data-end=\"618\"\u003e\n\n\u003cstrong data-start=\"580\" data-end=\"606\"\u003eFiring temperature range:\u003c\/strong\u003e 1000–1250°C\u003c\/li\u003e\n\n\u003cli data-start=\"620\" data-end=\"680\"\u003e\n\n\u003cstrong data-start=\"622\" data-end=\"640\"\u003eGrog content:\u003c\/strong\u003e 25% black grog, 0.5–2.0 mm grain\u003c\/li\u003e\n\n\u003cli data-start=\"682\" data-end=\"716\"\u003e\n\n\u003cstrong data-start=\"684\" data-end=\"705\"\u003eDrying shrinkage:\u003c\/strong\u003e approx. 6.8%\u003c\/li\u003e\n\n\u003cli data-start=\"718\" data-end=\"783\"\u003e\n\n\u003cstrong data-start=\"720\" data-end=\"739\"\u003eFiring shrinkage:\u003c\/strong\u003e 1.5% at 1000°C; 4.2% at 1100°C; 4.8% at 1200°C\u003c\/li\u003e\n\n\u003cli data-start=\"785\" data-end=\"857\"\u003e\n\n\u003cstrong data-start=\"787\" data-end=\"812\"\u003eWater absorption after firing:\u003c\/strong\u003e 12.0% at 1000°C; 5.3% at 1100°C; 4.4% at 1200°C\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp data-start=\"861\" data-end=\"1229\"\u003eRecommended for sculpture, pots, garden forms, decorative vessels, and hand-built works. The coarse grain can be consciously used as a design element – especially in raw, organic, and rustic creations. The distinct, coarse-grained texture combined with the red color gives works made from this clay a distinctly sculptural, rustic character.\u003c\/p\u003e\n\u003cp data-start=\"1231\" data-end=\"1492\"\u003e\u003csmall data-start=\"1231\" data-end=\"1492\"\u003eThe parameters provided are indicative. The final color, shrinkage, water absorption, and glaze behavior depend on the kiln, atmosphere, soaking time, and firing curve. Before making a larger series, we recommend a technological test with the chosen clay and glaze.\u003c\/small\u003e\u003c\/p\u003e","brand":"Witgert","offers":[{"title":"Default Title","offer_id":54394313867591,"sku":"W-28SF2502","price":64.9,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0613\/2423\/0853\/files\/ChatGPTImage24lip2026-16-07-35-_1.png?v=1787957723","url":"https:\/\/alike.live\/en\/products\/masa-witgert-28-sf-25-0-0-2mm-red-stone-10kg","provider":"Alike Pottery Studio","version":"1.0","type":"link"}