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  • Nashua 386 Stretch and Seal Tape: 1 in. x 10 ft. (Black)
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Nashua 386 Stretch and Seal Tape: 1 in. x 10 ft. (Black)

by Nashua

Price: $10.38 ($10.38 / Each) + $5.58 shipping
In Stock.
Ships from and sold by Crimp Supply Inc.
  • Conforms to almost any surface
  • Self-fusing silicone creates a permanent, water-tight seal
  • Easy to apply and to remove - no sticky residue left on surfaces
  • Excellent temperature resistance
  • Measures 10-feet length by 1-inches width by 20-mil thick
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Frequently Bought Together

Nashua 386 Stretch and Seal Tape: 1 in. x 10 ft. (Black) + J-B Weld 8277 WaterWeld Underwater Epoxy Putty - 2 oz + 3M (03625) 1" x 6' Wrap and Repair Silicone Tape
Price for all three: $23.40

These items are shipped from and sold by different sellers.

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Product Information

Technical Details
Part Number 684201
Item Weight1 pounds
Product Dimensions4.6 x 3.5 x 0.8 inches
Item model numberSTRETCH AND SEAL
ColorBlack
MaterialRubber
Item Package Quantity1
Measurement SystemEnglish
  
Additional Information
ASINB000TQEX30
Best Sellers Rank #99,940 in Home Improvement (See top 100)
Shipping Weight1.6 ounces (View shipping rates and policies)
ShippingThis item is also available for shipping to select countries outside the U.S.
Date First AvailableAugust 7, 2009
  
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Product Description

Nashua Self-fusing silicone tape. Meets or exceeds the requirements of-mil I-46852C Type I and II. Conforms to almost any surface. Self-fusing silicone creates a permanent, water-tight seal. Easy to apply and to remove - no sticky residue left on surfaces. Repositionable to achieve a proper seal. Excellent temperature resistance. Apply even in wet conditions. Cut away to remove - leaves no residue. UL 510 listed. Applications includes sealing pipes, electrical wires, and hoses; covering sharp edges; protecting against rust and corrosion. Used for general purpose waterproofing and sealing applications. Liner: clear cellophane. Tensile strength: 700 psi. Elongation: 300 percent. Operating temperature: -60 - 500 degree F. Dielectric strength: 8000V. Tear resistance: 65 psi. Measures 10-feet length by 1-inches width by 20-mil thick.

Customer Reviews

Easy to install and immediately and totally waterproof.
Amazon Customer
To excelude operator error, I removed all of the tape and reapplied being even MORE careful to keep the edges flat, pull it tight, overlap evenly, repeat second lap.
austinstace
Some people apparently have had success with this product but I am not one of them.
Bob M

Most Helpful Customer Reviews

10 of 11 people found the following review helpful By Ace Barker on July 10, 2009
I have a copper pipe with a pinhole sized leak and didn't want to spend hundreds of dollars fixing it when I knew there had to be a much cheaper and easier solution. This silicone tape was the answer. I wrapped it around the pipe where the small hole is and pipe no longer leaks. If I have more severe leaks in the future I'd consider contacting a plumber, but for this one pinhole leak I kept it simple and cheap.
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10 of 12 people found the following review helpful By Josiah Carlson on June 1, 2010
I had some threaded iron couplings that refused to stay water tight with the standard white teflon tape (which worked great in 10 other joints). I had picked the stretch and seal tape "just in case".

I used a good 3-4' of the stuff in 3-4" chunks from smooth pipe over the coupling, back to smooth pipe, overlapping 1/2 to 2/3 of the tape the entire way (stretching it to the point just before it started to discolor white). I kept it tight, and I kept it dry. When I let the water pressure back in... I noticed that it was sweating out the seams. Turning off the pressure, I wrapped over the first layer's problem areas, using another 2-3 feet. Nope. I repeated this until the roll was almost gone, but it never seemed to seal itself.

Also, it definitely doesn't work when it's wet, so wouldn't be great in those true emergency situations.
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8 of 9 people found the following review helpful By Bobby Lee on October 19, 2007
Works on high pressure water lines, hot hoses, cold hoses (use in car, plane, or house). Saved the day when high pressure yard water system hose split when leaving for air port. Was still securely holding when returned 2 wks later. Wet hose, dirty, 2 in split--it works!
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5 of 6 people found the following review helpful By Craig H. Reinhardt on March 10, 2008
Really great tape. I use it to seal coax cable to antennas from a transmitter/receiver. So far it has held up to lots of bad weather.
LikeI said in the title, best sealing tape I have ever found
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2 of 2 people found the following review helpful By T-Bag on June 3, 2013
I'm completely against using this unless absolutely necessary. My philosophy is if it leaks replace it, not patch it. Unfortunately I was in a spot where using a torch to solder copper wasn't an option, so I stretched the heck out of it and used half the roll on a 3/4" copper pipe that had a 1/2 split in it. It worked. And after reading the specs that it can handle (when properly applied) up to 700psi, and that it's used for airplane hydrolic repair, I'm not going to worry about a water line that is 60psi being patched with this tape.
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2 of 2 people found the following review helpful By John B. Goode TOP 500 REVIEWER on April 28, 2012
I've noticed that it doesn't work for some users but it really depends what you are using it for. If it's being used for the wrong application it won't work.

What this is is a rubbery silicone tape that stretches quite a bit. It does not have any adhesive on it, so don't expect to tape it on something and expect it to stick. It however sticks to itself and once it does, it's almost impossible to remove.

What I use it for is to seal hoses in my outdoor fish pond. I did not want to use electrical or duct tape (because they eventually degrade in the pond water and I'm not sure if the adhesive will poison the fish) or teflon tape (too thin for my purpose). I needed something which was non-adhesive, non toxic and doesn't degrade in the water. So I cut the tape carefully, remove the backing, stretch the tape a little and wrap it around the hose and over itself. Once it's wrapped around the hose it's sealed tight and doesn't leak.

For a garden hose leak, I'd probably use duct tape (because that does have adhesive on it) and to use on threads you really need teflon (because it's thin). But for my purpose it works great. It's also something extra to have in your tool chest for whatever emergency will come up.
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3 of 4 people found the following review helpful By A. E. White CPA on March 22, 2008
Wow, this stuff saved my sanity. I was having trouble with small cracks in copper tubing -- I'd fix one only to have another form. I was cutting and coupling tubing more than I care to admit. Then I found this tape, stretched it around it, and, voila, no more leaks! Great product.
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It really worked. Its an impossible to get to spot with six 3/4" copper pipes connected through various connectors. Welding is impossible. The leak is from a failed connector weld done by the the builder.

I cleaned up the pipe good, let dry completely, use acetone to clean. Next I put drops of Gorilla epoxy (3300 psi) on the seam. Wait 2 hours. Wrapped the silicone tape around the connector. Because it is a difficult spot I can not apply the tape in orderly fashion. I cut the tape in 12" strips. Plenty of unsightly binds and voids. Waited 2 hours then addded three hose/ring clamps close together over the leak. Tighten just enough there is a 1/3 mm bulge in the silicone. Waited another 8 hours before I turned on main valve. I think the ring clamps are the key to success.

I tried JB Waterweld before. The longest it lasted was 8 minutes. Clean up is a beetch. Just doesn't have the adhesion needed to bond with copper under 60 psi pressure. Liquid 2 part epoxy much better adhesion.
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