{"product_id":"dual-layer-jewelry-flask-preheating-furnace-1150-c-with-removable-plate","title":"Dual-Layer Jewelry Flask Preheating Furnace | Removable Plate Casting Preparation","description":"\u003cdiv style=\"font-family:inherit;color:inherit\"\u003e\n\n\u003ch2 style=\"font-size:20px;font-weight:600;margin-top:2rem;margin-bottom:0.75rem;line-height:1.4\"\u003eAbout This Jewelry Flask Preheating Furnace\u003c\/h2\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003eThis dual-layer jewellery flask preheating furnace helps casting studios preheat one taller flask or two smaller flasks in a single chamber, with a removable plate, digital temperature control, and an observation window for controlled pre-casting preparation.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:1.25rem\"\u003eThe white insulated furnace body sits on a black base with a power switch, digital temperature controller, operation indicator, front door knob, and observation window. Both layers share the same temperature setting, so it is best for batches that can be processed under one heating program.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size:20px;font-weight:600;margin-top:2rem;margin-bottom:0.75rem;line-height:1.4\"\u003eSingle-Layer vs Dual-Layer Setup Guide\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin-bottom:1.5rem;font-size:15px\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;font-weight:600;text-align:left\"\u003eSetup\u003c\/th\u003e\n\u003cth style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;font-weight:600;text-align:left\"\u003eChamber Arrangement\u003c\/th\u003e\n\u003cth style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;font-weight:600;text-align:left\"\u003eBest Use\u003c\/th\u003e\n\u003cth style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;font-weight:600;text-align:left\"\u003eImportant Limit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eSingle-layer mode\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eSeparation plate removed; full 200 mm \/ 7.87 in chamber height available.\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eOne taller flask or a larger custom casting preparation task.\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eKeep at least 25 mm \/ 1 in clearance from chamber walls.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eDual-layer mode\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eSeparation plate installed; upper chamber 100 mm \/ 3.94 in and lower chamber 97 mm \/ 3.82 in.\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eTwo smaller flasks in one heating cycle for repeat casting work.\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eBoth layers share the same temperature setting; flasks must fit below each layer height.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 style=\"font-size:20px;font-weight:600;margin-top:2rem;margin-bottom:0.75rem;line-height:1.4\"\u003eBest For \/ Not For\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin-bottom:1.5rem;font-size:15px\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;font-weight:600;text-align:left\"\u003eBest For\u003c\/th\u003e\n\u003cth style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;font-weight:600;text-align:left\"\u003eNot For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eFlask preheating before jewellery casting\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eWax burnout from investment molds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003ePlaster investment mold preparation\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eMelting gold, silver, or other metals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eTwo smaller flasks processed under one temperature setting\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eIndependent temperature programs for upper and lower layers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eSmall casting studios and jewellery training rooms\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eLarge continuous industrial production lines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eWorkflows needing removable single or dual-layer capacity\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eFlasks that cannot maintain 25 mm \/ 1 in wall clearance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 style=\"font-size:20px;font-weight:600;margin-top:2rem;margin-bottom:0.75rem;line-height:1.4\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin-bottom:1.5rem;font-size:15px\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eMaximum temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003e1150°C \/ 2102°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eFull chamber size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003e150 x 150 x 200 mm \/ 5.9 x 5.9 x 7.9 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eUpper chamber height (dual-layer)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003e100 mm \/ 3.94 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eLower chamber height (dual-layer)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003e97 mm \/ 3.82 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eHeating time to maximum temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003e60-90 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003e1500W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eVoltage options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003e110V \/ 60Hz or 220V \/ 50Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eTemperature control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eDigital display controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003eSteel with heat-resistant coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color:#f9f9f9\"\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eMachine weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003e21 kg \/ 46.3 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6;width:40%\"\u003e\u003cstrong\u003eExternal dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:0.6rem 0.9rem;border:1px solid #e0e0e0;line-height:1.6\"\u003e13.4 x 13.6 x 19.9 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2 style=\"font-size:20px;font-weight:600;margin-top:2rem;margin-bottom:0.75rem;line-height:1.4\"\u003ePro Tips\u003c\/h2\u003e\n\u003cul style=\"padding-left:1.5rem;margin-bottom:1.5rem;font-size:16px;line-height:1.8\"\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003eChoose the voltage version that matches your local power supply before ordering or installation.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003eLet the furnace cool completely before installing, removing, or repositioning the separation plate.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003eCenter each flask on its level and keep at least 25 mm \/ 1 in clearance from the chamber walls for heat circulation.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003eUse dual-layer mode only when both flasks can follow the same temperature setting and heating schedule.\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003eComplete any required wax burnout process separately before using this furnace for flask preheating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"font-size:20px;font-weight:600;margin-top:2rem;margin-bottom:0.75rem;line-height:1.4\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003e\u003cstrong\u003eCan this furnace burn out wax from investment molds?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003eNo. It is designed for flask preheating and plaster investment mold preparation only. Wax burnout must be completed separately before use.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003e\u003cstrong\u003eCan I use it as a metal melting furnace?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003eNo. This product is not designed for melting gold, silver, or other metals.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003e\u003cstrong\u003eWhat is the difference between single-layer and dual-layer mode?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003eSingle-layer mode uses the full 200 mm chamber height with the plate removed. Dual-layer mode uses the installed plate to create an upper 100 mm level and a lower 97 mm level.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003e\u003cstrong\u003eCan the upper and lower layers run at different temperatures?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003eNo. Both layers share one heating system and one temperature setting.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003e\u003cstrong\u003eHow much clearance should I leave around the flask?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003eMaintain at least 25 mm \/ 1 in clearance between the flask and the chamber walls for proper heat circulation.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:0.5rem\"\u003e\u003cstrong\u003eWhat accessories are included with the furnace?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:1.25rem\"\u003eThe package includes the furnace, removable separation plate, heat-resistant gloves, crucible tongs, power cable, and user manual. Contents may be updated — check current product images if a specific accessory is essential.\u003c\/p\u003e\n\n\u003ch2 style=\"font-size:20px;font-weight:600;margin-top:2rem;margin-bottom:0.75rem;line-height:1.4\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul style=\"padding-left:1.5rem;margin-bottom:1.5rem;font-size:16px;line-height:1.8\"\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e1 x Dual-layer jewellery flask preheating furnace with observation window\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e1 x Removable separation plate\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e1 x Heat-resistant gloves\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e1 x Crucible tongs\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e1 x Power cable, matched to the selected 110V or 220V version\u003c\/li\u003e\n\u003cli style=\"margin-bottom:0.5rem\"\u003e1 x User manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"font-size:20px;font-weight:600;margin-top:2rem;margin-bottom:0.75rem;line-height:1.4\"\u003eSupport\u003c\/h2\u003e\n\u003cp style=\"font-size:16px;line-height:1.8;margin-bottom:1.25rem\"\u003eQuestions about setup, operation, compatibility, or order status? Contact the Musttool team at musttool01@gmail.com. We respond within 24 hours on business days.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Musttool","offers":[{"title":"110V","offer_id":47164034220220,"sku":null,"price":899.99,"currency_code":"EUR","in_stock":true},{"title":"220V","offer_id":47164034252988,"sku":null,"price":899.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/4908\/3580\/files\/8456b0c0-538d-4f8c-937d-dd53fc4cbd7a.webp?v=1784768933","url":"https:\/\/musttool.com\/products\/dual-layer-jewelry-flask-preheating-furnace-1150-c-with-removable-plate","provider":"Musttool","version":"1.0","type":"link"}