{"product_id":"spectrum-charcoal-brush-on-underglaze","title":"Spectrum Charcoal Brush-on Underglaze","description":"\u003cp\u003eSpectrum charcoal liquid underglaze can be used at almost any temperature range and can be applied to bisque or raw clay. 2-3 coats are required for opaque, vibrant colours. The tile shown are at Cone 05, but the underglaze can be fired from low temperature (cone 06\/04) to high temperature (cone 9\/10). Some colour variation will occur at higher temperatures and also different clear coats and thickness can affect the hue of the underglaze.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eGood to Know:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOpaque with 3 coats.\u003c\/li\u003e\n\u003cli\u003eSemi-opaque with 2 coats.\u003c\/li\u003e\n\u003cli\u003eSemi-transparent with 1 coat.\u003c\/li\u003e\n\u003cli\u003eNon-toxic (lead-free)– Perfect for tableware. Please follow manufacturer instructions.\u003c\/li\u003e\n\u003cli\u003eContains no lead or cadmium ingredients. Certified AP Non-Toxic\u003c\/li\u003e\n\u003cli\u003eConforms to ASTM D-4236\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SPECTRUM","offers":[{"title":"118","offer_id":49228540379418,"sku":"805-954","price":7.24,"currency_code":"GBP","in_stock":true},{"title":"473","offer_id":49821319823642,"sku":"805-954P","price":17.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0865\/4399\/1066\/files\/Spectrum-Charcoal-Brush-on-Underglaze_bebd5eb5-8f80-43a5-bc7f-b2ffc0596d61.jpg?v=1721298808","url":"https:\/\/potterycrafts.live\/products\/spectrum-charcoal-brush-on-underglaze","provider":"Potterycrafts","version":"1.0","type":"link"}