--- product_id: 436669003 title: "Rosenthal Collection Borax Flux Granular 5 MOL Melting Gold Silver Jewelry Casting Glazing Crucibles and Soldering (1 LB)" brand: "rosenthal collection" price: "¥5271" currency: JPY in_stock: true category: "Rosenthal Collection" url: https://www.desertcart.jp/products/436669003-rosenthal-collection-borax-flux-granular-5-mol-melting-gold-silver store_origin: JP region: Japan --- # Resealable 1 LB bag for freshness Professional-grade flux for clean melts Optimized for gold, silver & sterling Rosenthal Collection Borax Flux Granular 5 MOL Melting Gold Silver Jewelry Casting Glazing Crucibles and Soldering (1 LB) **Brand:** rosenthal collection **Price:** ¥5271 **Availability:** ✅ In Stock ## Summary > 🔥 Melt like a master jeweler with Rosenthal’s pro-grade flux! ## Quick Answers - **What is this?** Rosenthal Collection Borax Flux Granular 5 MOL Melting Gold Silver Jewelry Casting Glazing Crucibles and Soldering (1 LB) by rosenthal collection - **How much does it cost?** ¥5271 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/436669003-rosenthal-collection-borax-flux-granular-5-mol-melting-gold-silver) ## Best For - rosenthal collection enthusiasts ## Why This Product - Trusted rosenthal collection brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Flawless Metal Flow:** Ensures smooth melting with minimal oxidation for pristine results - • **Trusted Legacy Since 1926:** Backed by nearly a century of jeweler-approved reliability - • **Oxidation Reduction Saves Time & Cost:** Preserves metal purity, reducing rework and boosting efficiency - • **Bulk Pro Size with Resealable Freshness:** 1 LB packaging designed for high-volume use without waste - • **Precision-Formulated for Precious Metals:** Specifically crafted to enhance gold, silver, and sterling melts ## Overview Rosenthal Collection Borax Flux Granular (1 LB) is a professional jeweler’s essential, formulated to reduce oxidation and promote smooth metal flow during casting of gold, silver, and sterling. Packaged in a resealable bag for freshness, it delivers consistent, clean melts trusted by experts since 1926. ## Description When you're casting precious metals, there’s no room for error. Rosenthal’s Borax Flux is the trusted flux powder that serious jewelers rely on to ensure every melt flows clean and finishes smooth.- Sourced for purity and performance- Reduces oxidation and bubbling during heat- Ideal for casting gold, silver, and sterling- Packaged for pro-level use, resealable for freshness- Backed by nearly a century of expertiseWhether you’re running a full shop or mastering your bench at home, Rosenthal gives you the confidence to cast with clarity. ## Features - CLEAN METAL MELTING, NO HASSLE — Professional-grade flux that promotes smooth flow, reduces oxidation, and protects your metals during every melt - OPTIMIZED FOR GOLD, SILVER, STERLING — Formulated for jewelers working with precious metals who demand clarity and clean burn-off - RESEALABLE BAG, PRO STUDIO SIZE — Perfect for high-volume jewelers who need reliability without frequent reorders - REDUCES OXIDATION, PRESERVES VALUE — Maintains metal purity and finish, saving you costly rework and time - TRUSTED SINCE 1926 BY MASTER JEWELERS — From the Miami bench to global shops, Rosenthal delivers pro-grade casting support ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09TWSMJTY | | ASIN | B09TWSMJTY | | Batteries Included? | No | | Batteries Required? | No | | Customer Reviews | 4.5 4.5 out of 5 stars (505) | | Customer reviews | 4.5 4.5 out of 5 stars (505) | | Date First Available | 26 March 2022 | | Date First Available | 26 March 2022 | | Item Package Quantity | 1 | | Item Weight | 490 g | | Item model number | 1 | | Item model number | 1 | | Manufacturer | RJS | | Manufacturer | RJS | | Material | Other | | Package Dimensions | 21.8 x 14.9 x 4.3 cm; 490 g | | Package Dimensions | 21.8 x 14.9 x 4.3 cm; 490 g | | Part number | 1 | | Size | 1 LB | ## Images ![Rosenthal Collection Borax Flux Granular 5 MOL Melting Gold Silver Jewelry Casting Glazing Crucibles and Soldering (1 LB) - Image 1](https://m.media-amazon.com/images/I/71lfxUyyygL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - Rosenthal Collection Borax Flux 5 MOL – 1 LB Casting Flux for Jewelry Soldering, Melting Silver, Gold, Sterling - 7 Pieces Graphite Torch Melting Casting Kit, Including 2 Graphite Crucible Stir Stick, Graphite Casting Mould 5-in-1 Graphite Casting Ingot Mould, Quartz Crucible, Cylindrical Graphite, Tong for Melt - Novellaire-8 Pcs Crucibles for Melting Metal Kit, 4 Ceramic Quartz Crucibles and 2 Upgraded and Enlarged Ceramic Quartz Crucibles, 2 Pcs Whipclip Handle 2a, Melting Metals Like Gold and Silver. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/436669003-rosenthal-collection-borax-flux-granular-5-mol-melting-gold-silver](https://www.desertcart.jp/products/436669003-rosenthal-collection-borax-flux-granular-5-mol-melting-gold-silver) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-11-13*