{"product_id":"rubber-round-button-c-style-sprue-base-3-diameter-80-mm","title":"Rubber Round-Button (C-Style) Sprue Base, 3\" Diameter 80 mm","description":"\u003cdiv\u003e\n\u003ch1\u003eRubber Round-Button (C-Style) Sprue Base, 3\" Diameter 80 mm\u003c\/h1\u003e\n\u003cp\u003eThe \u003cb\u003eRubber Round-Button (C-Style) Sprue Base, 3\" Diameter 80 mm\u003c\/b\u003e is engineered to deliver dependable, leak-proof performance in \u003cb\u003einvestment casting\u003c\/b\u003e. This versatile base is designed to fit both regular and perforated flasks, ensuring a stable platform during the critical pour sequence. Built from \u003cb\u003etough, flexible rubber\u003c\/b\u003e, it resists heat and wear, providing long-lasting service in busy casting shops.\u003c\/p\u003e\n\u003cp\u003eUse it to hold the sprue rod in the casting flask as you pour the investment, helping maintain alignment and reduce drift. The compact, round-button design makes it easy to position and remove, while preserving a clean finish on your casting work. This base excels in \u003cb\u003ecentrifugal casting\u003c\/b\u003e and \u003cb\u003evacuum lost wax casting\u003c\/b\u003e processes where reliability matters most.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eKey features\u003c\/b\u003e:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDiameter 3\" (80 mm) round-button base for stable sprue support\u003c\/li\u003e \u003cli\u003eLeak-proof design fits both regular and perforated flasks\u003c\/li\u003e \u003cli\u003eHolds the sprue rod securely during investment pouring\u003c\/li\u003e \u003cli\u003eIdeal for centrifugal casting and vacuum lost wax casting\u003c\/li\u003e \u003cli\u003eTough, flexible rubber withstands heat and repeated use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdd to cart today to streamline your \u003cb\u003einvestment casting\u003c\/b\u003e workflow and achieve cleaner pours with every cast.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"1","offers":[{"title":"Default Title","offer_id":48588407210216,"sku":"CAST-0006","price":4.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/9395\/8888\/files\/cast-0006_01_1.jpg?v=1779822799","url":"https:\/\/miamijewelrysupply.com\/products\/rubber-round-button-c-style-sprue-base-3-diameter-80-mm","provider":"Miami Jewelry Supply","version":"1.0","type":"link"}