{"product_id":"high-purity-graphite-square-crucible-for-gold-silver-melting-analysis-laboratory-furnace-graphite-oil-tank-treatment-ingot-casting-with-good-thermal-conductivity-and-corrosion-resistance-50mm-60mm-70mm-80mm-90mm-100mm-120mm-size-options","title":"High-purity graphite square crucible for gold silver melting analysis laboratory furnace graphite oil tank treatment ingot casting with good thermal conductivity and corrosion resistance 50mm 60mm 70mm 80mm 90mm 100mm 120mm size options","description":"\u003ch1\u003eHigh-purity graphite square crucible for precious metal melting with excellent thermal conductivity and corrosion resistance\u003c\/h1\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"High-purity graphite square crucible for gold silver melting with multiple size options\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/766\/2025-09-30\/original-image\/1617005539181.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis high-purity graphite crucible addresses the specific requirements of jewellery makers, laboratory technicians, and small-scale metalworkers who need reliable vessels for melting precious metals and conducting analytical work. Manufactured from specially treated graphite material, the crucible combines practical functionality with material properties that enhance melting efficiency while protecting valuable metal contents. Its square design provides stability during furnace operation and facilitates organised workspace arrangements, while the multiple size options allow users to select capacity appropriate to their specific melting volumes. The crucible's construction focuses on delivering consistent performance across heating cycles, making it a practical choice for both occasional hobbyist use and regular professional applications where material purity matters.\u003c\/p\u003e\n\u003ch2\u003eFeatures and Construction\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"High-purity graphite square crucible for gold silver melting with multiple size options\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/766\/2025-09-30\/original-image\/1617005539186.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe crucible's performance stems from its material composition and thoughtful design elements that address common challenges in metal melting operations. From thermal management to contamination prevention, each aspect contributes to a more controlled and efficient melting process.\u003c\/p\u003e\n\u003ch3\u003eMaterial and Build\u003c\/h3\u003e\n\u003cp\u003eCrafted from high-purity graphite that undergoes special oil tank treatment, this crucible maintains structural integrity under repeated thermal stress. The material's good thermal conductivity translates to faster heating and more efficient energy transfer to the metal contents, while its excellent acid and alkali resistance ensures compatibility with various precious metal alloys and fluxes. Good corrosion resistance protects against degradation from metal oxides and residues, extending usable lifespan through multiple melting cycles. The ash content remains below 0.1%, a critical specification that prevents contamination of valuable melts containing gold, silver, platinum, and other precious metals.\u003c\/p\u003e\n\u003ch3\u003eSize and Practical Fit\u003c\/h3\u003e\n\u003cp\u003eAvailable in multiple standard sizes including 50mm, 60mm, 70mm, 80mm, 90mm, 100mm, and 120mm dimensions, the crucible accommodates varying melting volumes from small jewellery batches to larger analytical samples. The square profile provides stability when placed in furnace hearths or on refractory shelves, reducing the risk of tipping during loading or pouring operations. This shape also facilitates efficient space utilisation in smaller furnaces and allows for organised arrangement of multiple crucibles when processing different metal batches simultaneously. Users should consult the list photos to verify exact dimensions before selection.\u003c\/p\u003e\n\u003ch2\u003eUses and Placement\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"High-purity graphite square crucible for gold silver melting with multiple size options\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/766\/2025-09-30\/original-image\/1617005539187.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThis graphite crucible serves multiple applications across hobbyist, analytical, and small-scale production environments where controlled metal melting is required. Its material properties and design make it suitable for both precise laboratory work and practical jewellery-making operations.\u003c\/p\u003e\n\u003ch3\u003eEvent or Professional Use\u003c\/h3\u003e\n\u003cp\u003eIn professional jewellery workshops and small foundry operations, the crucible handles melting of gold and silver fragments formed after precious metals are processed or reclaimed. Its thermal stability supports emergency hot or cold use conditions that might occur during extended casting sessions or unexpected workflow changes. For laboratory testing and analysis, the crucible's purity ensures that analytical results remain uncompromised by container contamination, making it suitable for compositional analysis of precious metal alloys. The square design aids in precise placement within analytical furnaces where consistent positioning affects temperature uniformity.\u003c\/p\u003e\n\u003ch3\u003eEveryday Home Use\u003c\/h3\u003e\n\u003cp\u003eFor hobbyist jewellers and metalcraft enthusiasts working from home studios, the crucible provides a reliable vessel for small-batch melting of precious metals for jewellery components, ingots, or decorative elements. Its good corrosion resistance simplifies cleaning between uses with different metal types, while the thermal conductivity reduces energy consumption during extended melting sessions. The multiple size options allow crafters to select appropriate capacity for their specific projects, from delicate filigree work requiring minimal metal quantities to larger decorative pieces needing more substantial melts.\u003c\/p\u003e\n\u003ch2\u003eBenefits and Buying Value\u003c\/h2\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"High-purity graphite square crucible for gold silver melting with multiple size options\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/766\/2025-09-30\/original-image\/1617005539188.webp\"\u003e\u003c\/div\u003e\n\u003cp\u003eThe crucible delivers practical advantages through material properties that enhance melting efficiency and protect valuable metal investments. These benefits translate to time savings, material conservation, and consistent results across multiple uses.\u003c\/p\u003e\n\u003ch3\u003eReuse and Low Maintenance\u003c\/h3\u003e\n\u003cp\u003eThe graphite material's thermal stability supports repeated heating and cooling cycles without significant degradation, allowing for extended service life through proper handling. Good corrosion resistance reduces the need for aggressive cleaning methods that might damage the crucible surface, while the low ash content eliminates concerns about cross-contamination between different metal batches. The square design's stability during pouring operations minimises spillage and material waste, contributing to more economical use of precious metal stocks over time.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose This Product\u003c\/h3\u003e\n\u003cp\u003eThis graphite crucible stands out for its combination of high-purity material specifications and practical design elements that address real-world melting challenges. The below 0.1% ash content provides assurance when processing valuable precious metals, while the good thermal conductivity offers tangible reductions in melting time and energy consumption. Multiple size options accommodate varying project scales without requiring investment in multiple crucible types, and the special oil tank treatment enhances performance consistency. For users needing capacities beyond the standard range, customer service consultation provides access to additional model options tailored to specific requirements.\u003c\/p\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"High-purity graphite square crucible for gold silver melting with multiple size options\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/766\/2025-09-30\/original-image\/1617005539189.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"High-purity graphite square crucible for gold silver melting with multiple size options\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/766\/2025-09-30\/original-image\/1617005539190.webp\"\u003e\u003c\/div\u003e\u003cdiv style=\"text-align: center;\"\u003e\u003cimg alt=\"High-purity graphite square crucible for gold silver melting with multiple size options\" src=\"https:\/\/images.seoo.uk\/src\/products\/shopify_export\/US11\/766\/2025-09-30\/original-image\/1617005539470.webp\"\u003e\u003c\/div\u003e","brand":"test555flq2jbrxh9","offers":[{"title":"number 2","offer_id":58468484776284,"sku":"CJGJ105878909IR","price":38.58,"currency_code":"GBP","in_stock":true},{"title":"Numble5","offer_id":58468484809052,"sku":"CJGJ105878912LO","price":38.58,"currency_code":"GBP","in_stock":true},{"title":"Numble4","offer_id":58468484841820,"sku":"CJGJ105878911KP","price":38.58,"currency_code":"GBP","in_stock":true},{"title":"Numble7","offer_id":58468484874588,"sku":"CJGJ105878914NM","price":38.58,"currency_code":"GBP","in_stock":true},{"title":"number 1","offer_id":58468484907356,"sku":"CJGJ105878908HS","price":38.58,"currency_code":"GBP","in_stock":true},{"title":"Numble3","offer_id":58468484940124,"sku":"CJGJ105878910JQ","price":38.58,"currency_code":"GBP","in_stock":true},{"title":"Numble6","offer_id":58468484972892,"sku":"CJGJ105878913MN","price":38.58,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/6501\/6924\/files\/1617005539189.webp?v=1785327386","url":"https:\/\/duvuyy-hj.myshopify.com\/products\/high-purity-graphite-square-crucible-for-gold-silver-melting-analysis-laboratory-furnace-graphite-oil-tank-treatment-ingot-casting-with-good-thermal-conductivity-and-corrosion-resistance-50mm-60mm-70mm-80mm-90mm-100mm-120mm-size-options","provider":"IntegrityGoods.uk","version":"1.0","type":"link"}