What is Copper Mate Flux used for?

Copper Mate Flux is primarily used in the soldering process of copper and its alloys. It helps to remove surface oxidation, allowing for a strong bond between the metals. This flux is especially beneficial in plumbing and electrical applications where reliable connections are essential. By ensuring a clean surface for soldering, Copper Mate Flux promotes effective heat transfer and prevents defects, making it ideal for professionals and DIY enthusiasts alike.

Is Copper Mate Flux safe to use?

Yes, Copper Mate Flux is safe to use when applied as directed. It’s formulated to be non-toxic and does not contain harmful chemicals that can pose risks during soldering. However, it’s advisable to use it in well-ventilated areas to prevent inhalation of any fumes. Proper safety precautions, such as wearing gloves and goggles, can enhance safety during the application process. This makes it a preferred choice for hobbyists and professionals who prioritize safety while working on metal projects.

How do I apply Copper Mate Flux effectively?

For effective application of Copper Mate Flux, clean the surfaces of the metals to be joined thoroughly. Use a brush or applicator to apply a thin layer of flux on both surfaces. Heat the metals using a suitable soldering tool until the flux liquefies and begins to bubble. Introduce the solder to the joint, allowing it to flow evenly. This method ensures optimal bonding and is particularly valuable for intricate soldering jobs, whether in electronics or plumbing.

Can Copper Mate Flux be used for all types of soldering?

Copper Mate Flux is specifically designed for soldering copper and its alloys. While it works exceptionally well with these materials, it may not be suitable for use with aluminum or silver without a different flux type. When undertaking projects involving various metals, it’s crucial to select the appropriate flux to ensure the integrity of the solder joint. This specification can guide users in selecting the right product based on their project requirements.

What are the benefits of using Copper Mate Flux?

Using Copper Mate Flux offers several advantages, including improved adhesion, reduced oxidation, and smoother soldering processes. By facilitating a cleaner joint, it minimizes the risks of leaks in plumbing or failures in electrical connections. This flux also enhances the overall aesthetics of the solder joint, ensuring a professional finish. Individuals involved in DIY projects or professional applications find Copper Mate Flux invaluable for achieving high-quality results.

How do I store Copper Mate Flux?

To ensure the longevity of Copper Mate Flux, store it in a cool, dry place, away from direct sunlight. Keeping the cap tightly closed prevents contamination and drying out. Proper storage extends the effectiveness of the flux and makes it readily available for future projects. When handled correctly, users can maintain the original quality of the product, ensuring reliable performance whenever needed in soldering tasks.

Can I use Copper Mate Flux for jewelry making?

Yes, Copper Mate Flux can be effectively used in jewelry making, especially for projects involving copper elements. It helps facilitate good soldering of fine details and intricate parts. Jewelers appreciate its ability to promote strong, clean joints, which is essential for the durability and aesthetic appeal of jewelry pieces. Using this flux can significantly enhance the quality of handcrafted jewelry, making it suitable for both beginners and experienced artisans.

Does Copper Mate Flux affect the color of soldered joints?

Copper Mate Flux is designed to minimize discoloration of soldered joints, but some factors can lead to slight changes. Proper application and adequate heat control reduce the risk of oxidation. However, the type of solder used can also impact the final color. For projects where aesthetics are paramount, users should test small pieces to see how the flux and solder interact. Understanding this interaction can provide better results in visually sensitive applications.

What is the ideal temperature range for using Copper Mate Flux?

Copper Mate Flux is most effective when used within a temperature range of 400°F to 600°F (204°C to 316°C). This temperature range allows the flux to activate properly, promoting excellent bonding between copper surfaces. Staying within this range minimizes the risk of burning or excessive fuming, ensuring a high-quality solder joint. Users can adjust their soldering tools to maintain this temperature for optimal results in various soldering applications.

Where can I buy Copper Mate Flux in Fiji?

You can conveniently purchase Copper Mate Flux in Fiji exclusively through Ubuy. Ubuy offers a reliable platform where you can find this product alongside a variety of other soldering tools and materials. The website provides detailed product descriptions and customer reviews, ensuring you make an informed choice. Shopping on Ubuy can enhance your overall experience while ensuring you have access to the best quality flux for your projects.

How to Shop Copper Mate Flux Online From Ubuy?

It’s easy to shop Copper Mate Flux online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.

Is Copper Mate Flux Available to Shop Online in Fiji?

Yes, at Ubuy Fiji this product is available for you to shop at a reasonable price. The Copper Mate Flux is not available locally but you can trust us with our express shipping services.

How Long Does It Take to Get Product After Placing the Order?

The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

CopperMate

A fine flux for general soldering and very popular with stained glass crafters.

CopperMate

Item #: 3336711

Copper Mate Flux

87% of respondents would recommend this to a friend

Item #: 3336711

FJD 59

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

^{*All items will import from US}

Availability : In stock

Imported from USA store

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Only 1 item left in stock.

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A fine flux for general soldering and very popular with stained glass crafters.

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What Stands Out

Superior Conductivity

Copper Mate Flux ensures optimal electrical connectivity, enhancing performance in soldering tasks. Its high conductivity reduces resistance, making it ideal for electrical repairs and installations, outperforming many competitors in the market.

Easy Application

Designed for user convenience, Copper Mate Flux offers a smooth application process, allowing both professionals and DIY enthusiasts to achieve precise results without mess, setting it apart from traditional competitors.

Versatile Use

Copper Mate Flux is suitable for a variety of materials and applications, making it a go-to solution for diverse projects, from automotive repairs to home electronics, thereby addressing multiple user needs efficiently.

Product Details

4 oz tub of Copper Mate Flux.
Ideal for use with Lead, Zinc, Copper, and Brass Cames.
A fine flux that is highly recommended for general soldering purposes.
Extremely popular among stained glass crafters.
Use sparingly to avoid any messy clean-ups.
Manufactured by Canfield Technologies, a trusted leader in the solder industry.

Package Weight

1.27 Pound

Product Technical Details

Manufacturer	‎CopperMate
Part Number	‎mswkx-fpsf-cf1366
Item Weight	‎6.4 ounces
Package Dimensions	‎3 x 3 x 3 inches
Item model number	‎mswkx-fpsf-cf1366
Size	‎4 OZ
Material	‎brass
Item Package Quantity	‎1

Who Should Buy?

Copper Soldering
Ideal for professionals or DIY enthusiasts who work with copper pipes requiring a strong and clean solder joint.
HVAC Technicians
Excellent choice for HVAC technicians needing reliable flux for joining copper components in various heating and cooling systems.
Jewelry Makers
Beneficial for jewelry makers requiring effective flux to solder intricate designs without damaging fine materials.

Aluminum Work
Not suitable for aluminum soldering as it is specifically designed for copper and will not facilitate effective bonding.

Product Description

About This Item

Introducing Copper Mate Flux, the perfect solution for all your soldering needs. Whether you are a professional solderer or a stained glass crafter, this fine flux is sure to impress you with its exceptional performance. Manufactured by Canfield Technologies, a renowned name in the solder industry, Copper Mate Flux is a trusted and reliable choice for all your soldering projects.

Designed specifically for copper soldering, this flux provides excellent results. Its high-quality formulation ensures smooth and clean joints, making it ideal for both general soldering and stained glass applications. Easy to use, Copper Mate Flux should be applied sparingly to avoid messy clean-ups.

Just a small amount is enough to achieve strong and durable connections. Renowned for its effectiveness, Copper Mate Flux is a favorite among both professionals and hobbyists alike. Its versatility makes it suitable for a wide range of applications, including copper welding and soldering projects.

For those working with copper pipes, this flux is an essential tool. Its superior properties ensure proper adhesion, resulting in leak-free and long-lasting joints. Whether you are a seasoned professional or just starting out in the world of soldering, Copper Mate Flux is the perfect companion for all your copper soldering needs.

Say goodbye to unreliable connections and hello to flawless results with this exceptional flux. Order yours today and experience the difference that Copper Mate Flux can make in your soldering projects.

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Customer Questions & Answers

Question: How to Shop Copper Mate Flux Online From Ubuy?

Answer: It’s easy to shop Copper Mate Flux online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location.
Question: Is Copper Mate Flux Available to Shop Online in Fiji?

Answer: Yes, at Ubuy Fiji this product is available for you to shop at a reasonable price. The Copper Mate Flux is not available locally but you can trust us with our express shipping services.
Question: How Long Does It Take to Get Product After Placing the Order?

Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.

CopperMate Soldering Flux ‎mswkx-fpsf-cf1366 Editorial Review

Copper Mate Flux is a water-based flux that performs exceptionally well, even rivaling acid flux, making it an ideal choice for both novice and professional soldering tasks. Users praise its effectiveness in ensuring clean solder joints, particularly with 97-3 solder, which melts at a lower temperature. Many have noted the substantial difference it makes in the quality of their work, specifically in commercial and industrial pipe projects, as well as stained glass art. The convenience of a small bottle, weighing only 4oz, adds to its portability, allowing artists and plumbers to carry it easily while still achieving stellar results.

Customer Reviews & Ratings

4.6

126 customers ratings

5 Star

75%
4 Star

14%
3 Star

8%
2 Star

2%
1 Star

1%

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Pros

Water-based formula works effectively like acid flux
Best for achieving clean solder joints
Compact size makes it portable and convenient
A little goes a long way in usage
Highly recommended by professional users

Cons

Smaller size than some users expected

Platform Trust & Buyer Confidence

4.2/5 9704 reviews

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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot

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10 September 2026 · via Trustpilot

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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot

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Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot

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Important information

Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

FJD 59

Order now and get it around Sunday, November 01

QTY:

Only 1 item left in stock.

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Features & Benefits

Manufactured by Canfield Technologies, a leader in the solder industry.
Use sparingly to avoid messy clean-ups.
Popular for use with Lead, Zinc, Copper, and Brass Cames.

Ubuy Assurance

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Copper Mate Flux