{"product_id":"upsala-blue-porcelain-5kg-1200-1240c","title":"Upsala Blue Porcelain (5kg) 1200-1240C","description":"\u003cp data-start=\"172\" data-end=\"291\"\u003e\u003cstrong data-start=\"172\" data-end=\"197\"\u003eUpsala Blue Porcelain\u003c\/strong\u003e\u003cbr data-start=\"197\" data-end=\"200\"\u003e\u003cstrong data-start=\"200\" data-end=\"217\"\u003eProduct code:\u003c\/strong\u003e 164-UPSA\u003cbr data-start=\"226\" data-end=\"229\"\u003e\u003cstrong data-start=\"229\" data-end=\"246\"\u003eFiring range:\u003c\/strong\u003e 1200–1240°C (Cone 6–7)*\u003cbr data-start=\"270\" data-end=\"273\"\u003e\u003cstrong data-start=\"273\" data-end=\"286\"\u003eBag size:\u003c\/strong\u003e 5 kg\u003c\/p\u003e\n\u003cp data-start=\"293\" data-end=\"486\"\u003eUpsala is a distinctive blue porcelain characterised by its cobalt blue fired colour. The body is highly plastic, making it well suited to wheel throwing as well as hand-building and modelling.\u003c\/p\u003e\n\u003cp data-start=\"488\" data-end=\"707\"\u003eUpsala is compatible with \u003cstrong data-start=\"514\" data-end=\"544\"\u003eAneto Porcelain (164-ANET)\u003c\/strong\u003e and can be used alongside it within the same firing schedule. When fired correctly, it is suitable for tableware and is food-safe in accordance with \u003cstrong data-start=\"694\" data-end=\"706\"\u003eISO 6486\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"709\" data-end=\"712\"\u003e\n\u003ch3 data-start=\"714\" data-end=\"739\"\u003eTechnical Data (SIO2)\u003c\/h3\u003e\n\u003cul data-start=\"741\" data-end=\"1179\"\u003e\n\u003cli data-start=\"741\" data-end=\"781\"\u003e\n\u003cp data-start=\"743\" data-end=\"781\"\u003e\u003cstrong data-start=\"743\" data-end=\"762\"\u003eBiscuit firing:\u003c\/strong\u003e 1000°C (Cone 06)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"782\" data-end=\"808\"\u003e\n\u003cp data-start=\"784\" data-end=\"808\"\u003e\u003cstrong data-start=\"784\" data-end=\"802\"\u003eWater content:\u003c\/strong\u003e 22%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"809\" data-end=\"846\"\u003e\n\u003cp data-start=\"811\" data-end=\"846\"\u003e\u003cstrong data-start=\"811\" data-end=\"841\"\u003ePlasticity (Atterberg IP):\u003c\/strong\u003e 11\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"847\" data-end=\"884\"\u003e\n\u003cp data-start=\"849\" data-end=\"884\"\u003e\u003cstrong data-start=\"849\" data-end=\"879\"\u003eCarbonate content (CaCO₃):\u003c\/strong\u003e 0%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"885\" data-end=\"915\"\u003e\n\u003cp data-start=\"887\" data-end=\"915\"\u003e\u003cstrong data-start=\"887\" data-end=\"908\"\u003eDrying shrinkage:\u003c\/strong\u003e 6.0%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"916\" data-end=\"957\"\u003e\n\u003cp data-start=\"918\" data-end=\"957\"\u003e\u003cstrong data-start=\"918\" data-end=\"949\"\u003eFiring shrinkage at 1220°C:\u003c\/strong\u003e 10.4%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"958\" data-end=\"1009\"\u003e\n\u003cp data-start=\"960\" data-end=\"1009\"\u003e\u003cstrong data-start=\"960\" data-end=\"1002\"\u003ePorosity (water absorption) at 1220°C:\u003c\/strong\u003e 0.0%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1010\" data-end=\"1049\"\u003e\n\u003cp data-start=\"1012\" data-end=\"1049\"\u003e\u003cstrong data-start=\"1012\" data-end=\"1037\"\u003eDry bending strength:\u003c\/strong\u003e 3.3 N\/mm²\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1050\" data-end=\"1102\"\u003e\n\u003cp data-start=\"1052\" data-end=\"1102\"\u003e\u003cstrong data-start=\"1052\" data-end=\"1089\"\u003eFired bending strength at 1220°C:\u003c\/strong\u003e 47.2 N\/mm²\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1103\" data-end=\"1179\"\u003e\n\u003cp data-start=\"1105\" data-end=\"1179\"\u003e\u003cstrong data-start=\"1105\" data-end=\"1160\"\u003eThermal expansion coefficient (25–500°C at 1240°C):\u003c\/strong\u003e 64.2 × 10⁻⁷ °C⁻¹\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1181\" data-end=\"1184\"\u003e\n\u003cp data-start=\"1186\" data-end=\"1513\"\u003e*The recommended firing range indicates the temperatures at which the clay achieves optimal technical performance and safety characteristics under conventional firing conditions. Colour reference samples may include firings outside this range to demonstrate colour response, but these are produced under controlled conditions.\u003c\/p\u003e","brand":"Potclays","offers":[{"title":"Default Title","offer_id":56485232247162,"sku":"164-UPSA","price":16.99,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/0847\/8271\/files\/164-upsa-766x547.jpg?v=1768486174","url":"https:\/\/thepotterypeople.co.uk\/products\/upsala-blue-porcelain-5kg-1200-1240c","provider":"The Pottery People","version":"1.0","type":"link"}