{"product_id":"speedball-underglaze-black-16-oz-lead-free-opaque-ceramic-paint-cone-05-10-dinnerware-safe","title":"Speedball Underglaze Black 473 ml — Lead-Free Opaque Ceramic Paint, Cone 05–10, Dinnerware-Safe","description":"\u003cp\u003e\u003cstrong\u003eSpeedball Underglaze in Black is a concentrated, lead-free ceramic paint designed for detailed surface decoration and reliable results across a wide firing range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you decorate pottery, tiles, or functional ceramics and need a stable, opaque black colour that stays put during glazing and firing, this 16 oz jar gives you enough material for multiple projects. Formulated in the USA, the underglaze delivers dense coverage for fine brushwork, sgraffito, mishima, and watercolour effects. It fires stably from low-to-high temperatures (approx. Cone 05–10) and is dinnerware-safe when used and fired according to instructions.\u003c\/p\u003e\n\n\u003ch3\u003eHow does Speedball Black underglaze perform for detailed painting?\u003c\/h3\u003e\n\u003cp\u003eThis underglaze is formulated for control and opacity so brush lines remain crisp and defined. It resists running under a clear overglaze, making it suitable for intricate motifs and graphic work.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOpaque consistency that covers well with 2–3 liberal coats\u003c\/li\u003e\n  \u003cli\u003eFine pigment load supports precise brush strokes and line work\u003c\/li\u003e\n  \u003cli\u003eSuitable for techniques like sgraffito and freehand painted imagery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the colour hold up through firing and glazing?\u003c\/h3\u003e\n\u003cp\u003eYes—Speedball Black underglaze is made to remain stable across a wide firing range and won’t bleed under a clear glaze when applied correctly. Follow recommended application and firing schedules for best colour fidelity.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned to perform from approximate Cone 05 through Cone 10\u003c\/li\u003e\n  \u003cli\u003eOpaque formula minimizes movement and colour bleed during glaze application\u003c\/li\u003e\n  \u003cli\u003eWorks under clear or transparent glazes without losing detail\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this safe for functional dinnerware and what precautions are needed?\u003c\/h3\u003e\n\u003cp\u003eThe product is formulated lead-free and can be used on dinnerware when applied and fired as directed. Proper application, thorough firing to the recommended temperature, and compatible overglazes are necessary to ensure safety.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLead-free formulation manufactured in the USA\u003c\/li\u003e\n  \u003cli\u003eDinnerware-safe when used, glazed, and fired per manufacturer instructions\u003c\/li\u003e\n  \u003cli\u003eApply recommended coat thickness and firing schedule for food-safe results\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I apply and store Speedball underglaze for best results?\u003c\/h3\u003e\n\u003cp\u003eApply in 2–3 liberal coats for solid coverage, allow adequate drying between layers, and fire to the appropriate cone for your clay and glaze system. Store the jar sealed and in a cool place to preserve consistency.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBest results with 2–3 liberal coats, allowing dry time between coats\u003c\/li\u003e\n  \u003cli\u003eCompatible with sgraffito, mishima, watercolour effects, and brush painting\u003c\/li\u003e\n  \u003cli\u003eKeep container tightly sealed and store away from extreme temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Ceramists, hobby potters, art students, and makers who need a dependable black underglaze that supports fine detail, resists bleeding under clear glazes, and works across low to high firing ranges. It’s also a practical choice for studios producing functional ware that must meet dinnerware safety standards when handled and fired correctly.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I fire Speedball Underglaze from low to high cone ranges?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It’s formulated for a wide firing range (approx. Cone 05–10) when proper firing schedules are followed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many coats are recommended for solid coverage?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Apply 2–3 liberal coats for best opacity and to prevent the background showing through.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":55296087294289,"sku":"B00QKQEAYU","price":44.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/5567\/3681\/files\/speedball-underglaze-black-front-label.jpg?v=1791941174","url":"https:\/\/craftiche.co.uk\/products\/speedball-underglaze-black-16-oz-lead-free-opaque-ceramic-paint-cone-05-10-dinnerware-safe","provider":"Craftiche","version":"1.0","type":"link"}