{"product_id":"speedball-underglaze-school-pack-6-pack-16-oz-multicolor-opaque-lead-free-for-cone-06-6","title":"Speedball Underglaze School Pack — 6-Pack 454 g Multicolour, Opaque Lead-Free for Cone 06–6","description":"\u003cp\u003e\u003cstrong\u003eSpeedball 001079 Underglaze School Pack is a six-colour set of opaque, lead-free underglazes in 16 oz jars formulated for detailed painting and a wide firing range.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis set puts essential underglaze colours within easy reach for classrooms, studios, and hobbyists. Each pint contains an opaque formula suited for painting, graffito, watercolour effects, freehand brushwork, and mishima inlay. The paints fire reliably from cone 06 through cone 6 and can be used successfully at cone 10 when needed. Packed as a practical multipack, these jars simplify colour mixing and lesson planning while keeping clean-up and storage straightforward.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these underglazes perform for detailed brushwork?\u003c\/h3\u003e\n\u003cp\u003eSpeedball underglazes in this set are opaque and formulated to hold brushstrokes and line work cleanly, making them ideal for detailed painting and fine decoration. They maintain colour integrity after firing and layer well for shading and highlights.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOpaque formulas resist running when applied in thin lines\u003c\/li\u003e\n  \u003cli\u003eGood coverage often achieved with 2–3 liberal coats\u003c\/li\u003e\n  \u003cli\u003eLayerable for glazing effects without muddying colours\u003c\/li\u003e\n  \u003cli\u003eAvailable in core hues for easy colour mixing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these underglazes work across different kiln temperatures?\u003c\/h3\u003e\n\u003cp\u003eYes — the pack is designed for a broad firing range from cone 06 to cone 6 and has demonstrated successful results at cone 10 when used appropriately. That flexibility makes the set useful for both low-fire classroom firings and higher-temperature studio work.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRecommended cone range: 06–6 for consistent results\u003c\/li\u003e\n  \u003cli\u003eCan be fired up to cone 10 with proper testing\u003c\/li\u003e\n  \u003cli\u003eFollow firing schedules and cooling recommendations for best durability\u003c\/li\u003e\n  \u003cli\u003eTest colours on sample tiles before large projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I apply these underglazes for best results?\u003c\/h3\u003e\n\u003cp\u003eFor dependable coverage and colour payoff, apply two to three liberal coats, allowing drying between layers. These underglazes can be brush-applied, used for graffito, or thinned for wash effects depending on the technique you choose.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApply 2–3 liberal coats for opacity and uniform finish\u003c\/li\u003e\n  \u003cli\u003eAllow thorough drying before incising or applying additional layers\u003c\/li\u003e\n  \u003cli\u003eUse for mishima by carving leather-hard clay then filling with underglaze\u003c\/li\u003e\n  \u003cli\u003eClean brushes promptly; store jars tightly to prevent skinning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these safe for functional ware and classroom use?\u003c\/h3\u003e\n\u003cp\u003eSpeedball lists these underglazes as lead-free and dinnerware safe when used and fired according to the manufacturer’s directions. They’re formulated with classroom and educational use in mind, providing safer handling and straightforward cleanup.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLead-free formulation suitable for educational settings\u003c\/li\u003e\n  \u003cli\u003eDinnerware-safe when applied and fired as directed\u003c\/li\u003e\n  \u003cli\u003eLarge 16 oz (pint) jars reduce the need for refills in busy classes\u003c\/li\u003e\n  \u003cli\u003eClear labeling helps instructors manage supplies and safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Speedball 001079 Underglaze School Pack is aimed at art teachers, ceramics instructors, community studio members, and dedicated hobbyists who need a durable, easy-to-use set of foundational colours. It suits people teaching glazing techniques or anyone seeking a versatile, classroom-ready collection of underglazes for painting, graffito, mishima, and mixed decorative methods. If you require consistent firing performance, generous quantities, and straightforward safety for student use, this multipack offers a practical, cost-effective solution.\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 use these underglazes on functional dinnerware?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — they are lead-free and dinnerware safe when applied and fired according to Speedball’s instructions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many coats do I need for full coverage?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Apply 2–3 liberal coats for reliable opacity and even colour after firing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Speedball","offers":[{"title":"Default Title","offer_id":55298424799569,"sku":"B01JI1RTSW","price":169.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/5567\/3681\/files\/speedball-underglaze-pack-front-packing.jpg?v=1791966909","url":"https:\/\/craftiche.co.uk\/products\/speedball-underglaze-school-pack-6-pack-16-oz-multicolor-opaque-lead-free-for-cone-06-6","provider":"Craftiche","version":"1.0","type":"link"}