Can I use it to fix a tiny leak at copper pipe connection ? Thanks

No. This is for attaching two copper pipes together, and it will need to cure for a little while before it gets wet. It won't help with an existing leak. I would try plumbers' putty, and if that doesn't help with the leak, you may need to pull the pipes apart. It'll cost a little money, but a plumber will be a big help.

Has anyone tried using this on flared hvac fittings that are having a problem getting a good seal?

No, not tried. But can only imagine it would work well. However, flared hvac fittings shouldn’t really need this as they use threats, ferrules, and viton seals, correct? Anyway, I would just do an experiment: spend 10 on a bottle, assemble a capped tube using said flared fittings, and pressurize (standard pancake-style or alike 1XX psi compressor for pneumatic tools etc). Report back if pressure holds (compared to the control - compressor alone is good) ;)

Can it be used for jewlery making

Probably not. I don’t think it would hold up to constant movement. I think it was a solderless method of bonding copper tubing and elbows together without using a torch and solder.

I have a turntable that only works on one channel, thinking there's a bad connection internally. Would this product work for this?

I had the same problem but after readjusting the two screws that attach the cartridge to the headshell the problem is fixed so I figured out the problem was the needle was not fit in the vinyl correctly, if it leans on one side then it only works on the channel it leans on, hopes it helps

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ComStar Copper Lock 10 ml No-Heat Liquid Solder, Pipe & Coupling Solder

Product ID: 47245282

Details

Brand
ComStar
Item Form
Liquid
Material
copper
Special Feature
friendly
Specific Uses For Product
Industrial Use

💪Withstands 10,000 PSI flow pressure

⏱️Instant bond under 60s

🌡️Operates -60°F to +300°F

4978 som

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Description

🔥 Seal it fast, seal it strong — no flame, no fuss! 🔥

ALL WEATHER RELIABILITY - Performs flawlessly in harsh temperature ranges from freezing -60°F to scorching +300°F, ensuring year-round durability.
PRO GRADE NO TORCH SOLUTION - Exceeds US Military copper bonding specs—professional strength without the hassle of heat or soldering kits.
UNMATCHED PRESSURE ENDURANCE - Engineered to hold strong against extreme pressures up to 10,000 PSI flow and 500 PSI contained.
UNIVERSAL METAL COMPATIBILITY - Seamlessly bonds copper, brass, and yellow metals, supporting all refrigerants and liquids for versatile use.
LIGHTNING FAST LEAK PROOF SEAL - Achieve a permanent, no-flame bond in under a minute—perfect for urgent plumbing and HVAC fixes.

ComStar Copper Lock 10 ml No-Heat Liquid Solder delivers a professional-grade, instant bonding solution for copper, brass, and yellow metal pipes. It creates leak-proof seals in under 60 seconds, withstands extreme pressures up to 10,000 PSI, and operates reliably across a wide temperature range (-60°F to +300°F). Trusted by experts and compliant with military standards, this no-flame adhesive is perfect for plumbing, HVAC, and emergency repairs, offering a clean, efficient alternative to traditional soldering.

Specifications

ASIN	B004Y758Z2
Best Sellers Rank	#23,435 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #49 in Solder
Brand Name	ComStar
Color	Red
Compatible Material	Copper, Brass, Yellow Metals
Container Type	Bottle
Customer Reviews	4.2 4.2 out of 5 stars (1,165)
Full Cure Time	1 minutes
Global Trade Identification Number	00024924108017
Included Components	Liquid
Item Form	Liquid
Item Highlight	For Plumbing & HVAC, Permanently Bonds Pipe & Coupling In Minutes, Leak-Proof Seal to 500 PSI, -60°F to +300°F, Made in USA
Item Package Quantity	1
Manufacturer	Comstar
Material Type	copper
Model	10-801
Number of Pieces	1
Other Special Features of the Product	Environmentally friendly, instant bonding, high-performance
Part Number	024924108017
Specific Uses For Product	Industrial Use
UPC	024924108017
Viscosity Level	Medium
Volume	0.34 fluid ounces
Water Resistance Level	Water Resistant

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4978 som

Duties & taxes included

In stock

Sold byAmazon KyrgyzstanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Kyrgyzstan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

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The product quality is outstanding. Exactly what I needed for my work.

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