---
product_id: 416871381
title: "Rosenthal Collection Borax Flux 5 MOL – 1 LB Casting Flux for Jewelry Soldering, Melting Silver, Gold, Sterling"
brand: "rosenthal collection"
price: "175 Lei"
currency: RON
in_stock: true
reviews_count: 13
category: "Rosenthal Collection"
url: https://www.desertcart.ro/products/416871381-rosenthal-collection-borax-flux-5-mol-1-lb-casting-flux
store_origin: RO
region: Romania
---

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

**Brand:** rosenthal collection
**Price:** 175 Lei
**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?** 175 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/416871381-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

- • **Oxidation Defense System:** Minimizes oxidation and bubbling, protecting your metal’s purity and value.
- • **Flawless Melts Every Time:** Professional-grade flux ensures clean, smooth metal flow with zero hassle.
- • **Pro-Size, Pro-Performance:** Generous 1 LB resealable bag designed for high-volume jewelers who demand reliability.
- • **Legacy of Mastery Since 1926:** Trusted by expert jewelers worldwide, delivering consistent, professional results.
- • **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 1-pound professional-grade flux powder designed for jewelry casting. It promotes smooth metal flow, reduces oxidation, and is optimized for gold, silver, and sterling metals. Packaged in a resealable bag for freshness, it’s trusted by master jewelers since 1926 to deliver clean, flawless melts every time.

## 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.

Review: Easy to use. - Worked well, easy to use.
Review: Great quality product. - There is definitely a noticible difference in quality between this and borax detergeant. However, for most applications borax works just fine. This works better for stubborn joints.

## 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 | #32,125 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #33 in Jewelry Casting Tools |
| Customer Reviews | 4.5 4.5 out of 5 stars (435) |
| 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/41bdKx77sjL.jpg)
![Rosenthal Collection Borax Flux 5 MOL – 1 LB Casting Flux for Jewelry Soldering, Melting Silver, Gold, Sterling - Image 2](https://m.media-amazon.com/images/I/71lfxUyyygL.jpg)

## Questions & Answers

**Q: Is this anhydrous borax?**
A: Don't know I use it for forge welding works great for it when making damascus but far as type no idea also I would make sure u order the big bag the cheapest option a little small

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to use.
*by M***. on August 23, 2025*

Worked well, easy to use.

### ⭐⭐⭐⭐⭐ Great quality product.
*by A***P on December 12, 2024*

There is definitely a noticible difference in quality between this and borax detergeant. However, for most applications borax works just fine. This works better for stubborn joints.

### ⭐⭐⭐⭐⭐ Great for jewelry making!
*by M***O on May 9, 2025*

Perfect product! Exactly as described!

## Frequently Bought Together

- Rosenthal Collection Borax Flux 5 MOL – ½ LB Casting Flux for Jewelry Soldering, Melting Silver, Gold, Sterling
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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-23*