{"product_id":"sc-20-investment-casting-powder-44-lbs-r-r-satin-cast-kerr","title":"SC-20 Investment Casting Powder, 44 lbs, R\u0026R","description":"\u003cstyle\u003e\n        \/* Basic inline styles for better readability within Shopify's rich text editor *\/\n        body {\n            font-family: Arial, sans-serif;\n            line-height: 1.6;\n            color: #333;\n        }\n        h1, h2, h3 {\n            color: #2c3e50;\n            margin-top: 1.5em;\n            margin-bottom: 0.5em;\n        }\n        ul {\n            list-style-type: disc;\n            margin-left: 20px;\n            margin-bottom: 1em;\n        }\n        strong {\n            font-weight: bold;\n        }\n        em {\n            font-style: italic;\n        }\n        .note {\n            font-size: 0.9em;\n            color: #555;\n            margin-top: 1em;\n        }\n    \u003c\/style\u003e\n\u003ch1\u003eSC20 Investment: The Benchmark for High-Quality Gold \u0026amp; Silver Casting\u003c\/h1\u003e\n\u003cp\u003eThe SC20 Investment is a highly trusted product in the global jewelry casting industry, recognized as the benchmark for casting high-quality gold and silver. \u003cstrong\u003eFormerly known as Kerr\u003cmeta charset=\"utf-8\"\u003e® Satin Cast*\u003c\/strong\u003e, it is ideal for creating lost-wax molds for jewelry and fine art pieces using gold, silver, and other metal alloys.\u003c\/p\u003e\n\u003ch2\u003eKey Features:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimal Thermal Expansion:\u003c\/strong\u003e Provides ideal thermal expansion for wax setting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Formula:\u003c\/strong\u003e Its flexible formula allows for use with all types of metals and designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposition:\u003c\/strong\u003e Primarily composed of powdered silica (quartz), cristobalite (a form of quartz), and a gypsum (calcium sulfate) binder. It contains 60-80% Silica  (Quartz \u0026amp; Cristobalite) and 20-40% Calcium Sulfate (Gypsum).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBANDUST™ Technology:\u003c\/strong\u003e Available with BANDUST™ technology to reduce respirable dust during the investing process.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended Mixing Ratio:\u003c\/strong\u003e For optimal results, the recommended mixing ratio is 38-40 mL of water to 100g of powder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelated Product:\u003c\/strong\u003e SC20 also has a thick-slurry version, SV20 investment, which is useful for larger gold\/silver castings like figurines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMixing Instructions:\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eWeigh investment.\u003c\/li\u003e\n\u003cli\u003eMeasure water.\u003c\/li\u003e\n\u003cli\u003eAdd investment to water.\u003c\/li\u003e\n\u003cli\u003eMix for 3-3.5 minutes.\u003c\/li\u003e\n\u003cli\u003eVacuum for 20 seconds after boil.\u003c\/li\u003e\n\u003cli\u003ePour into flask.\u003c\/li\u003e\n\u003cli\u003eVacuum up to 90 seconds.\u003c\/li\u003e\n\u003cli\u003eLet the flask sit still for 2 hours.\u003c\/li\u003e\n\u003cli\u003ePreheat furnace to 300F (do not preheat for multiple flasks).\u003c\/li\u003e\n\u003cli\u003eRemove sprue base.\u003c\/li\u003e\n\u003cli\u003eLoad into furnace.\u003c\/li\u003e\n\u003cli\u003eFollow the appropriate burnout cycle.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eImportant Considerations:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWork Time:\u003c\/strong\u003e The elapsed time between adding powder to the water and thickening of investment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Temperature:\u003c\/strong\u003e Water should be 70-75F. Colder water extends work time, while warmer water shortens it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Quality:\u003c\/strong\u003e Use deionized (DI) or distilled water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage:\u003c\/strong\u003e Always store investment in a dry area and close the protective bag tightly in the container when not in use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSafety Information:\u003c\/h2\u003e\n\u003cp\u003eThe product contains crystalline silica, which may cause cancer by inhalation and damage to lungs through prolonged or repeated exposure. Always wear protective equipment during handling and wash thoroughly after use. Refer to the Safety Data Sheet (SDS) for more information.\u003c\/p\u003e\n\u003cp\u003eSC20 Investment is made in the USA by Ransom \u0026amp; Randolph.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/3001\/6576\/files\/702151-sds.pdf?v=1750706842\" rel=\"noopener\" target=\"_blank\"\u003eSDS can be found here - SDS Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"note\"\u003e*Kerr® is a registered trademark. This product is not endorsed or sponsored by Kerr.\u003c\/p\u003e\n\u003cp class=\"note\"\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Pepetools","offers":[{"title":"Default Title","offer_id":46618679345326,"sku":"RRSC20","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/3001\/6576\/files\/rrsc20.jpg?v=1762462128","url":"https:\/\/pepitools.com\/products\/sc-20-investment-casting-powder-44-lbs-r-r-satin-cast-kerr","provider":"Pepetools","version":"1.0","type":"link"}