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Copper Lock is the revolutionary & environmentally safe method for soldering pipes designed for the US Space Program. Simply apply it inside the connector and/or onto the pipe; making sure the liquid is totally around the circumference, fit in the pipe, & within 60 seconds a permanent leak-proof seal will prevail.
Item #:
222722092
Copper Lock 2 oz No-Heat Liquid Solder, Pipe & Coupling Solder
89% of respondents would recommend this to a friend
Item #:
222722092
XCD 65
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Copper Lock is the revolutionary & environmentally safe method for soldering pipes designed for the US Space Program. Simply apply it inside the connector and/or onto the pipe; making sure the liquid is totally around the circumference, fit in the pipe, & within 60 seconds a permanent leak-proof seal will prevail.
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What Stands Out
No Heat Required
Copper Lock's no heat formula allows for quick and easy applications, eliminating the need for complicated heating processes. This saves time and ensures safety for users during soldering tasks.
High Pressure Resistance
With an impressive leak-proof seal that withstands pressures up to 500 PSI, Copper Lock ensures reliable bonding for plumbing and HVAC applications, providing peace of mind for repairs and installations.
Versatile Temperature Range
Designed to function in extreme conditions, Copper Lock remains effective from 60°F to +300°F, making it suitable for various environments. This versatility enhances its usability across multiple projects.
Product Details
- Environmentally safe method for soldering pipes up to 2 inches (580 mm)
- Creates a permanent leak-proof bond rated up to 500 psi with a temperature range of -60°F to +300°F
- Suitable for all refrigerants and yellow metals, copper, brass pipe fittings
- Enables pressure testing for water systems within 2 minutes and A/C systems within 25 minutes
- Does not require heat or solder to create a leak-proof bond, can be disassembled at 400°F heat and then reapplied
- Exceeds US Military copper bonding specifications: Mil-S-46163A Type I Grade K, Mil-S-224723E Letter Grade CVV
| Specific Uses For Product | Industrial Use |
| Item Form | Liquid |
| Other Special Features of the Product | Create a permanent bond for PIPES ONLY - not intended for sheets or jewelry |
| Container Type | plastic container |
| Viscosity Level | Medium |
| Full Cure Time | 1 minutes |
| Water Resistance Level | Water Resistant |
| Tensile Strength | 500 pounds_per_square_foot |
| Compatible Material | Copper, Brass, Yellow Metals |
| Item Package Quantity | 1 |
| Volume | 2 fluid ounces |
| Material Type | Copper |
| Color | Red |
| Brand Name | ComStar |
| Model | 10-800 |
| Unit Count | 1 Count |
| UPC | 024924108000 |
| Global Trade Identification Number | 00024924108000 |
| Manufacturer | Comstar |
| Included Components | Liquid |
| Item Type Name | Copper Lock |
| Item Weight | 2 ounces (56.7 grams) |
| Part Number | 024924108000 |
| Brand | ComStar |
| Material | Copper |
| Special Feature | Create a permanent bond for PIPES ONLY - not intended for sheets or jewelry |
Who Should Buy?
-
Home Plumbers
Ideal for homeowners addressing plumbing issues without heating tools, providing a quick and durable seal.
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HVAC Technicians
Perfect for HVAC professionals needing instant repairs or seals in copper or brass without soldering.
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DIY Enthusiasts
Great for DIY projects involving metal bonding, facilitating easy repairs without the need for intensive tools.
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High-Pressure Systems
Not suitable for applications exceeding 500 PSI, potentially leading to seal failure under extreme conditions.
Product Description
Copper Lock 2 oz No-Heat Liquid Solder, Pipe & Coupling Solder
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is ComStar Copper Lock and how does it work?
Answer: ComStar Copper Lock is a no-heat soldering solution designed to create a permanent, leak-proof bond for copper and brass pipes instantly. It eliminates the need for a blowtorch or soldering iron, making it safer and more convenient to use. The advanced formula chemically bonds the metal surfaces, ensuring a strong connection that can withstand high pressure and temperature. This is especially useful in plumbing repairs, where quick and effective solutions are necessary to prevent water damage. -
Question:
Can I use ComStar Copper Lock on any type of pipe?
Answer: ComStar Copper Lock is specifically formulated for copper and brass pipes. It is important to note that while it can create a durable bond on these metals, it should not be used on plastic or PVC pipes. This makes it ideal for plumbing applications where copper and brass are commonly used. For best results, ensure that the surfaces are clean and dry before applying the product. -
Question:
How do I apply ComStar Copper Lock?
Answer: To apply ComStar Copper Lock, begin by cleaning the surfaces of the pipes to remove any dirt, grease, or oxidation. Ensure that they are dry. Simply squeeze the tube to apply the compound evenly onto the joint area where the two pipes meet. The bond will form instantly, allowing you to resume your plumbing activities quickly. This fast application method is perfect for emergency repairs or routine maintenance projects. -
Question:
Is ComStar Copper Lock resistant to high temperatures and pressures?
Answer: Yes, ComStar Copper Lock is designed to withstand high temperatures and pressures typically found in plumbing systems. Once cured, it forms a robust bond that can handle the demands of hot water transmission and high-pressure situations. This characteristic makes it an excellent choice for both residential and commercial plumbing repairs where performance and reliability are crucial. -
Question:
How long does it take for ComStar Copper Lock to set?
Answer: ComStar Copper Lock sets almost instantly upon application. Unlike traditional soldering methods that require time for cooling and curing, this no-heat solution bonds immediately, allowing you to move on with your project without lengthy waiting times. This convenience is particularly beneficial in emergency situations or when working on multiple repairs where time efficiency is essential. -
Question:
What surface preparations are needed before using ComStar Copper Lock?
Answer: Before using ComStar Copper Lock, it is essential to properly prepare the surfaces to ensure optimal bond strength. Begin by cleaning the pipe surfaces using a wire brush or a clean cloth to remove any dirt, grease, or oxidation. After cleaning, make sure the surfaces are completely dry for the best results. Proper preparation enhances the effectiveness of the bonding process, making it more reliable for long-lasting repairs. -
Question:
Can I use ComStar Copper Lock for both indoor and outdoor applications?
Answer: Yes, ComStar Copper Lock is suitable for both indoor and outdoor plumbing applications. Its durable bond is resistant to various environmental conditions, making it versatile for use in different settings. Whether you're fixing a leak in your home, garage, or garden plumbing system, this product provides reliable performance in varied environments. -
Question:
Is ComStar Copper Lock safe to use?
Answer: ComStar Copper Lock is considered safe for use in plumbing repairs as it does not require an open flame, reducing fire hazards significantly. Additionally, its formulation is designed for safe contact with potable water systems, meaning it can be used in applications where water is consumed. Always use the product according to the manufacturer's instructions for the safest application experience. -
Question:
Where can I buy ComStar Copper Lock?
Answer: You can buy ComStar Copper Lock at Ubuy in Montserrat. Ubuy is a reliable online platform that offers a wide range of products, including plumbing supplies like ComStar Copper Lock. By purchasing through Ubuy, you can ensure that you're getting an authentic product while enjoying the convenience of online shopping. -
Question:
What are some common uses for ComStar Copper Lock?
Answer: ComStar Copper Lock is commonly used for plumbing repairs, including fixing leaks in copper and brass pipes, sealing joints, and making repairs in HVAC systems. It’s also useful for DIY projects involving metal piping, allowing homeowners to perform quick, effective fixes without needing professional help. Its versatility makes it a go-to solution for both professionals and DIY enthusiasts.
ComStar Solder Editorial Review
**** The Copper Lock epoxy provides an innovative solution for those in need of bonding copper without the complexities of traditional soldering or brazing methods. Customers have expressed satisfaction with its performance across various projects, from building sturdy plant stands to securing plumbing connections. Many reviewers noted its reliability, particularly in applications where the connections might be subjected to pressure or vibration. Users highlighted that the product requires proper preparation for the best results; ensuring that both surfaces are clean significantly enhances the bond. While there were some challenges reported with following the instructions, it appears that once users adjusted their techniques, they achieved positive outcomes. In scenarios involving high-pressure systems, customers felt confident in the bond’s durability, with multiple users confirming the absence of leaks over extended periods. Though some users encountered difficulties initially, the Consensus remains overwhelmingly positive, making Copper Lock a recommended choice for both DIY enthusiasts and professionals alike when needing a dependable way to join copper without traditional tools. **
Customer Reviews & Ratings
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Pros
- Easy to use with proper preparation
- Strong, reliable bond once cured
- Effective alternative to soldering and brazing
- Works well in high-pressure applications
- Positive long-term results reported
Cons
- Requires thorough cleaning of surfaces for best results
Platform Trust & Buyer Confidence
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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Emmanuel
Verified buyer
“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
31 August 2026 · via Trustpilot
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fnd
Verified buyer
“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
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Leana
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“Ubuy is extremely efficient and to order online is an easy process. The verity of products to buy is really unlimited! My order was urgent and I got it on time. The products are great! Thank you Ubuy!”
25 August 2026 · via Trustpilot
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Hengo
Verified buyer
“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
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Features & Benefits
- An innovative and environmentally safe method for soldering pipes
- Bonds instantly without the use of heat or metal solder
- Permanent leak-proof bond withstanding pressures of 10,000 PSI flow and 500 PSI contained
- Suitable for yellow metals, copper, brass pipe, fittings, all refrigerants & liquids
- Can handle water systems pressure tests in 2 minutes and A/C system pressure tests in 25 minutes
- Can be disassembled at 400°F heat and then reapplied
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