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⚡ Seal the spark, not your style — liquid tape that works as hard as you do!
Gardner Bender LTB-400 is a 4 oz. black liquid electrical tape offering waterproof, flexible, and durable insulation with twice the dielectric protection of standard tapes. Ideal for indoor and outdoor use, it protects wiring in automotive, marine, and security systems without hardening or cracking, ensuring long-lasting safety and performance.


| ASIN | B000FPAN2K |
| Adhesive Format | liquid |
| Adhesive Location | ELECTRICAL |
| Adhesive Side Count | 1 |
| Best Sellers Rank | #17,849 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #51 in Insulating Tape |
| Brand | Gardner Bender |
| Brand Name | Gardner Bender |
| Colour | As shown in the image |
| Compatible Material | Plastic, Rubber |
| Country of Publication | USA |
| Customer Reviews | 4.7 out of 5 stars 5,575 Reviews |
| Foil Thickness | 5 Mils |
| Global Trade Identification Number | 00032076064037 |
| Included Components | 1 |
| Item Resistance | waterproof |
| Item Weight | 4 Ounces |
| Manufacturer | Gardner Bender |
| Manufacturer Part Number | LTB-400 |
| Model | LTB-400 |
| Number of Items | 1 |
| Other Special Features of the Product | Transparent |
| Recommended Uses For Product | Security |
| Size | As shown in the image |
| Special Feature | Transparent |
| Surface Recommendation | Metal, Plastic |
| UPC | 032076064037 |
| Unit Count | 118 Milliliters |
| Water Resistance Level | Waterproof |
A**R
Insulates well
A relay in the AC was sparking coz the plastic crimp cover was damaged. I covered the plastic with insulation tape and it was still sparking (but less) because the bottome of the relay terminal was exposed. I put 3 coats of this and it stopped sparking completely. Had to apply it with a Qtip - the brush is too huge for small areas where u want to avoid other terminals.
A**R
Four Stars
good product
S**N
Most amazing product EVER!
Love this stuff so so much, It's a life saver! I originally got it to use as a rubber like coating for a horse hair whip I was making I needed something to clean up the area where I glued the hair to the whip. This stuff worked beautifully for it. Then I started using it to seal up cracked water buckets from the winter 😱 and now I use it for anything and everything seriously wish there was an option to buy it in a giant tin lmao I want to try to seal the bottom of my bfs boat with this stuff bc I can totally see it working wonders!!! -Dries quick -Isn't too stinky, a little bit but not any worse than other glue or paint products -Multiple coats work best (2-3 ideally) -Covers thick holes/cracks well -Doesn't drip or run -Can seal its lid shut a bit so advise putting a tiny bit of Vaseline along the rim for easy opening
E**A
Seca rápido
Buena calidad
K**Y
Looks like a good product :) works well
Happy with this product :)
S**S
A must-have for DIYers and professionals. 5 stars!
Excellent product! The Gardner Bender Liquid Electrical Tape is easy to apply and dries quickly, forming a durable, waterproof seal. Works great for indoor and outdoor electrical repairs. The black finish looks neat, and the 4 oz bottle lasts long. Highly reliable for insulation—no cracking or peeling. A must-have for DIYers and professionals. 5 stars!
J**E
Funciona
Solia ser un producto muy comun en tiendas, pero derrepente ya nadie lo maneja, este seria la solucion para volverlo a tener disponible, funciona
Trustpilot
1 month ago
5 days ago