---
product_id: 80641860
title: "Peterson #1 Blue Flux, Coarse Powder, 1 lb Can"
brand: "peterson fluxes"
price: "VT14940"
currency: VUV
in_stock: true
reviews_count: 8
category: "Peterson Fluxes"
url: https://www.desertcart.vu/products/80641860-peterson-1-blue-flux-coarse-powder-1-lb-can
store_origin: VU
region: Vanuatu
---

# 1200-1600°F working temp Coarse texture for superior flow Multi-metal brazing & welding Peterson #1 Blue Flux, Coarse Powder, 1 lb Can

**Brand:** peterson fluxes
**Price:** VT14940
**Availability:** ✅ In Stock

## Summary

> 🔥 Elevate your welds with the flux that flows where the heat goes!

## Quick Answers

- **What is this?** Peterson #1 Blue Flux, Coarse Powder, 1 lb Can by peterson fluxes
- **How much does it cost?** VT14940 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/80641860-peterson-1-blue-flux-coarse-powder-1-lb-can)

## Best For

- peterson fluxes enthusiasts

## Why This Product

- Trusted peterson fluxes brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Trusted by Pros:** Preferred flux for stainless steel and specialty alloys, delivering consistent, clean joints.
- • **High-Heat Performance:** Operates seamlessly between 1200-1600°F for demanding brazing tasks.
- • **Compact & Ready-to-Use:** 1 lb can with durable packaging designed for workshop efficiency and easy handling.
- • **Optimized Coarse Texture:** Coarser grain than fine variants ensures better flow and adhesion under torch heat.
- • **Versatile Metal Compatibility:** Expertly brazes cast iron, steel, brass, bronze, copper, and nickel silver alloys.

## Overview

Peterson #1 Blue Flux is a professional-grade brazing and welding flux designed for high-temperature applications (1200-1600°F). Its coarse powder texture enhances flow and adhesion on a wide range of metals including cast iron, steel, brass, bronze, copper, and nickel silver alloys. Ideal for torch welding and brazing, it’s a trusted choice among metalworkers seeking reliable, clean, and strong joints.

## Description

Peterson #1 Blue is designed for brazing and welding cast and malleable iron and steel, and for torch welding brass, bronze and copper.

Review: Favorite flux for any alloy, but especially nickel silver - Works great on steels, bronze and copper with silver alloys but especially nickel silver on steel. Makes it flow like a 45%. Great for stainless too.
Review: Works well. Sticks to hot rod in abundance, then flows where the heat goes - Works well. I had to deduct a star for the paper label. Whose idea was that, to put a paper label on a product that's intended to be used in close proximity to a very hot burning torch, especially if any of the info included on the label is important info

## Features

- For brazing and welding cast and malleable iron and steel
- For torch welding brass, bronze and copper
- Working temperature 1200-1600F/650-870C
- AWS Brazing Classification FB3-F
- Coarser texture than Peterson #1 Fine

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B076C29DDP |
| Best Sellers Rank | #69,479 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #72 in Soldering Flux #329 in Soldering Parts & Accessories #1,434 in Welding Equipment & Accessories |
| Date First Available | November 12, 2017 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1 pounds |
| Item model number | 43237-2 |
| Manufacturer | Force Industries |
| Product Dimensions | 3.5 x 3.5 x 4.25 inches |

## Images

![Peterson #1 Blue Flux, Coarse Powder, 1 lb Can - Image 1](https://m.media-amazon.com/images/I/811AGt+h0gL.jpg)

## Questions & Answers

**Q: How do you prepare this for use?**
A: You dont have to prepare it. Open can and get brazing rod hot and dip it in open can. The flux will stick to it. Works great. you can control the amount you need and wet out the base metal as needed. Save you from worrying about you flux falling off of the flux coated rods... then you have no flux. No forget to periodically dip rod in flux to recoat.  After a while you will get the hang of it. They also make a #2 i cant seem to find on amazon. Try ebay.   Lyndell

**Q: clean up removal of excess flux after welding is finished ?**
A: Flux residue can be removed with hot water.

**Q: Can this be used in blacksmithing?**
A: It can be, but not best. The working temperature is for brazing, but Borax is used for brazing AND forge welding, but this has boric acid added to lower the working temperature for brazing. You can add a little ash to it to help with blacksmithing.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Favorite flux for any alloy, but especially nickel silver
*by N***N on August 30, 2024*

Works great on steels, bronze and copper with silver alloys but especially nickel silver on steel. Makes it flow like a 45%. Great for stainless too.

### ⭐⭐⭐⭐ Works well. Sticks to hot rod in abundance, then flows where the heat goes
*by S***G on January 12, 2026*

Works well. I had to deduct a star for the paper label. Whose idea was that, to put a paper label on a product that's intended to be used in close proximity to a very hot burning torch, especially if any of the info included on the label is important info

### ⭐⭐⭐⭐⭐ Great flux
*by D***E on January 9, 2020*

I was having a hard time finding this stuff. Welding stores no longer carry it. Found this on Amazon. Works like the flux I used 30 years ago. It is not as powdery as the old flux, but more like salt size. Works never the less.

## Frequently Bought Together

- Peterson #1 Blue Flux, Coarse Powder, 1 lb Can
- Peterson #1 Fine Flux, Fine Powder, 1 lb Can
- 5 Pack 12"x2"x0.12" 1095 Steel for Knife Making with Strict Quality Standards, The Perfect Knife Making Steel for Professional & Hobbyist Use, Annealed High Carbon Steel for DIY Knife Making

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**Shop now:** [https://www.desertcart.vu/products/80641860-peterson-1-blue-flux-coarse-powder-1-lb-can](https://www.desertcart.vu/products/80641860-peterson-1-blue-flux-coarse-powder-1-lb-can)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-19*