{"product_id":"ofenplatten-eckig","title":"Rectangular Kiln Shelves","description":"\u003ch2\u003eRectangular Kiln Shelves\u003c\/h2\u003e\n\u003cp\u003eRectangular cordierite kiln shelves for ceramic kilns of all makes. Together with \u003ca href=\"\/en\/products\/pyrotec-ofenstutzen\"\u003ekiln posts\u003c\/a\u003e, you can build several levels in your kiln and fit more ware into one firing.\u003c\/p\u003e\n\u003cp\u003eThe rectangular shape uses the space in square firing chambers better than round shelves, for example in front loaders or square top loaders. The smallest size also fits test kilns. For top loaders, take a look at our \u003ca href=\"\/en\/products\/pyrotec-einbauplatten\"\u003eround kiln shelves\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: cordierite\u003c\/li\u003e\n\u003cli\u003e250 x 250 mm, 10 mm thick\u003c\/li\u003e\n\u003cli\u003e370 x 270 mm, 14 mm thick\u003c\/li\u003e\n\u003cli\u003e370 x 340 mm, 14 mm thick\u003c\/li\u003e\n\u003cli\u003e400 x 390 mm, 15 mm thick\u003c\/li\u003e\n\u003cli\u003e490 x 350 mm, 17 mm thick\u003c\/li\u003e\n\u003cli\u003e490 x 400 mm, 17 mm thick\u003c\/li\u003e\n\u003cli\u003e490 x 440 mm, 17 mm thick\u003c\/li\u003e\n\u003cli\u003e560 x 400 mm, 17 mm thick\u003c\/li\u003e\n\u003cli\u003e600 x 500 mm, 20 mm thick\u003c\/li\u003e\n\u003cli\u003eAccording to the manufacturer, suitable up to 1350 °C (sizes 250 x 250, 560 x 400 and 600 x 500 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGood to know\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree posts:\u003c\/strong\u003e Place each kiln shelf on three posts only. More than three posts can create stress in the shelf that leads to breakage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosts stacked:\u003c\/strong\u003e Place the posts of each level exactly above one another so that the weight is distributed evenly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBefore first use:\u003c\/strong\u003e Coat new kiln shelves with kiln wash (either as a \u003ca href=\"\/en\/products\/trennmittel-fur-ofenplatten\"\u003epowder to mix\u003c\/a\u003e or \u003ca href=\"\/en\/products\/botz-liquid-kiln-wash\"\u003eready to use liquid from Botz\u003c\/a\u003e) and fire them empty in a bisque firing. This relieves stress in the material, and glaze drips will not stick to the shelf later.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Store the shelves standing upright.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the size:\u003c\/strong\u003e Measure the inside of your kiln before ordering and leave some space all around to the kiln wall and the heating elements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eQuestions?\u003c\/h3\u003e\n\u003cp\u003eWe are always available to answer your questions. Just send us a message using the contact form below and you will get a reply by the next day at the latest.\u003c\/p\u003e","brand":"Formwerk Berlin","offers":[{"title":"250 x 250 x 10 mm","offer_id":56506524664150,"sku":null,"price":12.5,"currency_code":"EUR","in_stock":true},{"title":"370 x 270 x 14 mm","offer_id":56506511753558,"sku":null,"price":25.8,"currency_code":"EUR","in_stock":true},{"title":"370 x 340 x 14 mm","offer_id":56506511786326,"sku":null,"price":28.8,"currency_code":"EUR","in_stock":true},{"title":"400 x 390 x 15 mm","offer_id":56506511819094,"sku":null,"price":35.1,"currency_code":"EUR","in_stock":true},{"title":"490 x 350 x 17 mm","offer_id":56506511851862,"sku":null,"price":38.7,"currency_code":"EUR","in_stock":true},{"title":"490 x 400 x 17 mm","offer_id":56506511884630,"sku":null,"price":49.0,"currency_code":"EUR","in_stock":true},{"title":"490 x 440 x 17 mm","offer_id":56506511917398,"sku":null,"price":46.0,"currency_code":"EUR","in_stock":true},{"title":"560 x 400 x 17 mm","offer_id":56506524696918,"sku":null,"price":47.0,"currency_code":"EUR","in_stock":true},{"title":"600 x 500 x 20 mm","offer_id":56506524729686,"sku":null,"price":65.45,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0939\/8566\/9462\/files\/Screenshot2026-11-07123643.jpg?v=1794051445","url":"https:\/\/xn--tpfern-wxa.shop\/en\/products\/kiln-shelves-rectangular","provider":"Formwerk Töpferbedarf Berlin","version":"1.0","type":"link"}