{"product_id":"aluminium-mould-frame-15mm-thick-single-cavity-vulcanizer-rubber-casting-4-3-8-x-5-5-8","title":"Aluminium Mould Frame, 15mm Thick, Single Cavity Vulcanizer Rubber Casting, 4-3\/8\" x 5-5\/8\"","description":"\u003cp\u003eFor UK jewellers vulcanizing rubber moulds for wider pieces like bangles or large pendants. This UK-stocked 4⅜\" × 5⅝\" aluminium frame provides the necessary footprint for models that won't fit a standard square frame, ensuring a complete mould without compromise.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWider 4⅜\" × 5⅝\" format accommodates larger or asymmetric jewellery models.\u003c\/li\u003e\n\u003cli\u003eSolid 15mm thickness maintains rigidity under vulcanizer pressure.\u003c\/li\u003e\n\u003cli\u003eMachined from aluminium for consistent and even heat distribution.\u003c\/li\u003e\n\u003cli\u003eFlat, parallel faces ensure uniform mould thickness and alignment.\u003c\/li\u003e\n\u003cli\u003eSingle cavity with radiused internal corners to reduce stress in the rubber.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho it's for\u003c\/h3\u003e\n\u003cp\u003eDesigned for UK bench jewellers and casting houses producing vulcanized rubber moulds. Also suitable for model makers who require a robust, wider-format frame for creating moulds from silicone or organic rubbers for one-off pieces or small production runs.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Aluminium\u003c\/li\u003e\n\u003cli\u003eExternal Dimensions: 4-3\/8\" x 5-5\/8\"\u003c\/li\u003e\n\u003cli\u003eFrame Thickness: 15mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"ts-trust\"\u003e\u003cstrong\u003eFree UK delivery\u003c\/strong\u003e · \u003cstrong\u003eSame-day dispatch\u003c\/strong\u003e before 2pm · \u003cstrong\u003e30-day returns\u003c\/strong\u003e\u003c\/p\u003e\n\u003cspan data-toolsmith-sku-index style=\"position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden\" aria-hidden=\"true\"\u003eSKU: ZQ-L8WZ-1AGS\u003c\/span\u003e\n\n\u003c!-- TS:RELATED-GUIDES v1 --\u003e\n\u003cdiv class=\"ts-related-guides\" style=\"margin-top:2em;padding:1em;border-top:1px solid #e0d4c0;\"\u003e\n\u003ch3 style=\"margin:0 0 .5em 0;font-size:1.1em;\"\u003eRelated buying guides\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:1.2em;\"\u003e\n  \u003cli\u003e\u003ca href=\"\/blogs\/news\/setting-up-a-jewellery-bench-uk-essentials\"\u003eSetting Up a Jewellery Bench: 12 Essentials UK Bench Jewellers Actually Use\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/blogs\/news\/jewellers-saw-frames-and-blades-uk-guide\"\u003eJeweller's Saw Frames and Blades: Pick the Right Combo\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/blogs\/news\/uk-hallmarking-guide-jewellery-makers-2026\"\u003eUK Hallmarking Guide for Jewellery Makers (2026)\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/collections\/jewellery-making-tools\"\u003eBrowse all Jewellery Making Tools\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Toolsmith Ltd","offers":[{"title":"Default Title","offer_id":53139233014103,"sku":"ZQ-L8WZ-1AGS","price":29.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1005\/1623\/3559\/files\/toolsmith-rebg-aluminium-mould-frame-15mm-thick-single-cavity-vulcanizer-ru-1777632983.jpg?v=1777632990","url":"https:\/\/www.toolsmithltd.co.uk\/products\/aluminium-mould-frame-15mm-thick-single-cavity-vulcanizer-rubber-casting-4-3-8-x-5-5-8","provider":"Toolsmith Ltd","version":"1.0","type":"link"}