---
product_id: 741989056
title: "Rosenthal Collection Borax Flux 5 MOL – 1 LB Casting Flux for Jewelry Soldering, Melting Silver, Gold, Sterling"
brand: "rosenthal collection"
price: "€ 61.67"
currency: EUR
in_stock: true
url: https://www.desertcart.fi/products/741989056-rosenthal-collection-borax-flux-5-mol-1-lb-casting-flux
store_origin: FI
region: Finland
---

# Resealable pro studio size bag Promotes smooth metal flow Reduces oxidation & protects metals Rosenthal Collection Borax Flux 5 MOL – 1 LB Casting Flux for Jewelry Soldering, Melting Silver, Gold, Sterling

**Brand:** rosenthal collection
**Price:** € 61.67
**Availability:** ✅ In Stock

## Summary

> 🛠️ Cast Like a Pro, Shine Like a Star

## 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?** € 61.67 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/741989056-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

- • **Legacy of Mastery:** Trusted by expert jewelers worldwide since 1926 for consistent, pro-level casting results.
- • **Save Time & Money:** Reduces costly rework by preserving metal finish and preventing bubbling during heating.
- • **Flawless Melts Every Time:** Professional-grade flux ensures clean, smooth metal flow with zero oxidation.
- • **Work Without Interruptions:** Generous 1 LB resealable bag designed for high-volume jewelers who demand reliability.
- • **Precision for Precious Metals:** Optimized specifically for gold, silver, and sterling to maintain clarity and purity.

## Overview

Rosenthal Collection Borax Flux 5 MOL is a professional-grade, 1 LB casting flux powder designed for jewelers working with gold, silver, and sterling metals. It promotes smooth metal flow, reduces oxidation, and protects metal purity during melting. Packaged in a resealable bag for freshness and high-volume use, this trusted formula has been a staple in jewelry casting 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 |
|---------------|-------|
| Manufacturer | RJS |
| Country of Origin | USA |
| Item model number | 1 |
| Package Dimensions | 15.09 x 12.8 x 3.71 cm; 431 g |
| ASIN | B09TWSMJTY |

## 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)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.fi/products/741989056-rosenthal-collection-borax-flux-5-mol-1-lb-casting-flux](https://www.desertcart.fi/products/741989056-rosenthal-collection-borax-flux-5-mol-1-lb-casting-flux)

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*Product available on Desertcart Finland*
*Store origin: FI*
*Last updated: 2026-01-23*