---
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: "¥9731"
currency: JPY
in_stock: true
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:** ¥9731
**Availability:** ✅ In Stock

## Summary

> ⚡ Melt like a pro, shine like a legend!

## 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?** ¥9731 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

- • **Time & Cost Saver:** Reduces rework by preserving metal purity and finish every time
- • **Bulk Ready & Fresh:** Pro studio size with resealable packaging to keep flux potent and ready
- • **Flawless Metal Flow:** Ensures smooth melting with minimal oxidation for pristine results
- • **Trusted Legacy Since 1926:** Used by master jewelers worldwide for nearly a century of reliable performance
- • **Precision for Precious Metals:** Formulated specifically for gold, silver, and sterling to maintain clarity

## Overview

Rosenthal Borax Flux Granular (1 LB) is a professional-grade flux powder designed to optimize the melting and casting of precious metals like gold, silver, and sterling. It reduces oxidation and bubbling during heating, ensuring clean metal flow and preserving the metal’s finish. Packaged in a resealable bag for freshness, this trusted formula has been the choice of master jewelers since 1926, delivering consistent, high-quality results for both studio and high-volume use.

## Description

Rosenthal Collection Borax Flux Granular 5 MOL Melting Gold Silver Jewelry Casting Glazing Crucibles and Soldering (1 LB)

## 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 |
|---------------|-------|
| Manufacturer | RJS |
| Part number | 1 |
| Item Weight | 431 g |
| Package Dimensions | 15.09 x 12.8 x 3.71 cm; 431 g |
| Item model number | 1 |
| Size | 1 LB |
| Material | Other |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## 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
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**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)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-31*