---
product_id: 426548197
title: "Rosenthal Collection Borax Flux 5 MOL – 1 LB Casting Flux for Jewelry Soldering, Melting Silver, Gold, Sterling"
brand: "rosenthal collection"
price: "$30.29"
currency: USD
in_stock: true
category: "Rosenthal Collection"
url: https://www.desertcart.us/products/426548197-rosenthal-collection-borax-flux-5-mol-1-lb-casting-flux
store_origin: US
region: United States of America
---

# Smooth metal flow Resealable freshness Oxidation reduction Rosenthal Collection Borax Flux 5 MOL – 1 LB Casting Flux for Jewelry Soldering, Melting Silver, Gold, Sterling

**Brand:** rosenthal collection
**Price:** $30.29
**Availability:** ✅ In Stock

## Summary

> ✨ Cast like a pro, shine like a legend! ✨

## Quick Answers

- **What is this?** Rosenthal Collection Borax Flux 5 MOL – 1 LB Casting Flux for Jewelry Soldering, Melting Silver, Gold, Sterling by rosenthal collection
- **How much does it cost?** $30.29 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/426548197-rosenthal-collection-borax-flux-5-mol-1-lb-casting-flux)

## 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

- • **Save Time & Value:** Reduces costly rework by maintaining metal purity and preventing oxidation during casting.
- • **Flawless Melts Every Time:** Professional-grade flux ensures clean, smooth metal flow with zero oxidation.
- • **Bulk Ready, Studio Reliable:** Generous 1 LB resealable bag designed for high-volume jewelers who demand consistency.
- • **Legacy of Mastery Since 1926:** Trusted by expert jewelers worldwide for nearly a century of flawless casting support.
- • **Precision-Crafted for Precious Metals:** Optimized specifically for gold, silver, and sterling to preserve clarity and finish.

## Overview

Rosenthal Collection Borax Flux 5 MOL is a professional-grade 1 LB casting flux powder designed to optimize melting and soldering of precious metals like gold, silver, and sterling. It reduces oxidation and bubbling, ensuring smooth metal flow and preserving metal purity. Packaged in a resealable bag for freshness, this trusted formula has been the go-to choice for master jewelers 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 |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #59,788 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #53 in Jewelry Casting Tools |
| Customer Reviews | 4.5 4.5 out of 5 stars (474) |
| Date First Available | May 13, 2014 |
| Item Package Quantity | 1 |
| Item Weight | 15.2 ounces |
| Item model number | 1 |
| Manufacturer | RJS |
| Material | Other |
| Package Dimensions | 5.94 x 5.04 x 1.46 inches |
| Part Number | 1 |
| Size | 1 LB |

## Images

![Rosenthal Collection Borax Flux 5 MOL – 1 LB Casting Flux for Jewelry Soldering, Melting Silver, Gold, Sterling - Image 1](https://m.media-amazon.com/images/I/71lfxUyyygL.jpg)

## Frequently Bought Together

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-09-26*