Does anyone who has used this for electrical purposes determine what kind of current this tape can handle?

I'm surprised the manufacturer doesn't seem to state the current rating of this tape. Fortunately, it can be determined fairly easily. Current rating = Current Density * Cross-sectional area I measured this tape (1/4") to be 6.2mm wide and approximately 0.1mm thick. I made efforts to remove the glue with both Acetone and Rubbing Alcohol, but I was not completely successful, so the thickness measurement does include at least some of the glue. So, 6.2mm * 0.1mm gives us a cross-sectional area of 0.62mm. NIST Seems to use a current density of around 2.8 for Copper, so I'll do the same: 0.62 * 2.8 = 1.736 Amperes However, NIST uses very conservative values in their calculations. So let's round up to 2 Amps. To test my calculation, I took an approximately 4-inch piece of the tape and connected it between the terminals of my bench-top power supply. The tape was not attached to anything else, I left it floating in the air between its two connection points. I made sure no fans were running and turned off the Air Conditioner/Heat. I also took efforts to not breathe on or in the direction of the tape. Overkill? Perhaps. What I'm testing is to see if the tape significantly increases in temperature when exposed to 2.0A of current. Before applying power, I took a temperature measurement of the tape @ 72.0F (22.2C) using an infrared thermometer with an Emissivity setting of 0.95. I then set the bench top power supply to 12V @ 2A (voltage doesn't really matter here, but for sake of completeness...) and let it sit for 5 minutes. I took a temperature measurement about once every minute, but saw no gain in temperature. After 5 minutes, the temperature was still 72.0F. Immediately after removing power, I placed my finger on the tape, which felt slightly cool to the touch. Given everything outlined above, I'm pretty confident that it is safe to run 2A of current over this tape for long periods of time. I used pretty conservative numbers, so it is likely safe to go a bit higher even. However, if you want a good, safe limit, then 2.0 Amps seems to be a good number. Disclaimer: I am a stranger on the internet. While I have put in my best effort to give correct and accurate information, I still advise you to do your own research before applying the information contained within this answer. I bear no responsibility for loss of opportunity, finances, life, limb or property, or for any other damages you may incur as a result of following the advice contained within this answer.

will a magnet stick to the tape? If so, how powerfully?

A magnet will not stick to the tape because copper is effectively not magnetic.

Has anyone used this to prevent slugs from getting in flower pots?

I haven't yet but come spring, I plan to try it out. Slugs hate silver foil which I have used in my own garden to protect a patch of early black eyed susan transplants that these pests just love to eat. I will try the copper foil tape around the base of clay pots as suggested from information I read about the many uses of this foil tape. Sorry I dont have an exact answet for you. Happy Gardening.

Can i use it to fix a rear window defogger tab in my car?

Yes. It has good electrical properties. You will have to solder it, since the adhesive backing does not conduct.

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Rmikaly rea-145

Product ID: 125419028

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Details

Brand
Zehhe
Colour
Copper
Material
Copper
Number of items
1
Special feature
Strong

⚡Double-sided conductive power

🎨Perfect for stained glass & crafts

🛡️EMI shielding protection

Description

⚡ Stick to brilliance — conduct, create, and protect with Rmikaly rea-145!

EMI SHIELDING POWER - Protect your devices from electromagnetic interference with ease.
DUAL SIDED CONDUCTIVITY - Both sides carry current for versatile electronic and grounding use.
CRAFTS EDUCATION READY - Ideal for paper circuits and stained glass, sparking creativity and STEM learning.
QUICK PEEL NEAT FINISH - 21.8 yards with fast-release backing for smooth, professional application.
STRONG ADHESION ON ANY SURFACE - Malleable copper tape sticks firmly and molds to complex shapes.

The Rmikaly rea-145 is a premium copper conductive tape featuring double-sided conductivity, strong adhesive, and EMI shielding capabilities. Perfect for electronics repair, stained glass art, and educational projects, it offers 21.8 yards of quick-peel tape that molds easily to surfaces, ensuring professional results and reliable performance.

Specifications

Manufacturer	Bullet Face
Brand	Zehhe
Model Number	BF4964
Product Dimensions	10.9 x 10.9 x 0.51 cm; 40 g
Colour	Copper
Material Type	Copper
Number of Items	1
Size	1/4inch
Manufacturer Part Number	BF4964
Item Weight	40 g

Reviews

J**S

Bought this for wiring

Works great. Real copper. The adhesive is impossible to get off, making it less than suitable for my needs. Still 5 stars because it's exactly as advertised.

16.05.2024

D**Y

Non conducteur

Ce ruban est parfait pour les projets d'arts, il adhère bien et est facile d'utilisation. Mais si vous l'achetez pour faire des circuits achetez autre chose car il n'est pas conducteur comme stipulez dans la description. J'aurais dû faire un test plus tôt pour pouvoir me faire rembourser.

5.12.2023

J**B

This product is not double sided

This is not a double sided tape. The description is misleading. The purchase become useless for me. The item not returnable and amazon didnt respond to my request to return the item.

31.05.2024

C**N

As advertised

It is what they said it would be, at a great price so I'm happy :)

18.12.2023

I**

Copper foil tape

Good product

26.06.2024

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