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  • 3M 4941 Very High Bond Conformable Acrylic Foam Tape, Double-Sided VHB Acrylic Adhesive, Liner, 45 mil Thick, Dark Grey, 1" Width, 5 Yard Roll
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by CS Hyde

3M 4941 Very High Bond Conformable Acrylic Foam Tape, Double-Sided VHB Acrylic Adhesive, Liner, 45 mil Thick, Dark Grey, 1" Width, 5 Yard Roll

33 customer reviews
| 3 answered questions

Price: $29.47 & FREE Shipping on orders over $35. Details
In Stock.
Ships from and sold by Amazon.com.

Specifications for this item
Part Number 3M-4941-1-5
Brand Name CS Hyde
Material Type Acrylic
Color Dark Grey
LowerTemperature Range 50  Degrees Fahrenheit
Upper Temperature Range 200  Degrees Fahrenheit
UPC 696738473478
Dielectric Strength 360 volts
EAN 0696738473478
Number of Items 1
Outside Diameter 3  inches
Overall Length 5  yards
Overall Width 1  inches
System of Measurement Inch
Tensile Strength Max 85  PSI
Thickness .045  mm
UNSPSC Code 31201500

VHB tapes are suitable for bonding sealed wood, many plastics, composites and metal. Meets UL746C. Read full product description


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Product Features

  • Very High Bond Conformable Acrylic Foam Tape has adhesive both sides to promote excellent adhesion to a broad range of surfaces
  • Capable of replacing rivets, spot welds, liquid adhesives, and other permanent fasteners
  • The conformable foam provides good contact, even with mismatched substrates
  • Resistance to solvents, moister and plasticiser migration
  • Provides more uniform seal on irregular surfaces

Product Details

  • Shipping Weight: 4 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to over 75 destinations outside of the U.S. Learn More
  • ASIN: B004V3SKUY
  • Average Customer Review: 4.2 out of 5 stars  See all reviews (33 customer reviews)
  • Amazon Best Sellers Rank: #4,167 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Frequently Bought Together

3M 4941 Very High Bond Conformable Acrylic Foam Tape, Double-Sided VHB Acrylic Adhesive, Liner, 45 mil Thick, Dark Grey, 1" Width, 5 Yard Roll + 3M 4941 VHB Double-Sided Acrylic Foam Tape, 45 mil, 0.5" x 5 Yards (Dark Grey)
Price for both: $50.42

Buy the selected items together

Product Description

VHB tapes are suitable for bonding sealed wood, many plastics, composites and metal. Meets UL746C.


Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

29 of 30 people found the following review helpful By Tim W on April 26, 2013
This stuff is the real deal. I am a mechanical engineer, and I work for a GPS company that designs automation equipment for tractors and other farm equipment. We regularly use 3M VHB (4941 is our default) to secure components to machines in the harsh agricultural environment when drilling holes is sometimes simply not an option. A common application we have for this is to secure a ~2 lb steering sensor to the control arms of a tractor. It just works.

The key with this, as with any other adhesive-based product, is proper substrate preparation. It needs to not only be clean, but free of any oily residues. Don't wipe it with regular household cleaners, as they tend to leave behind residue. Your final pass should be with 99% or higher isopropyl alcohol. The standard household rubbing alcohol is usually 70-90% alcohol, and the rest is mostly water. This works too, but 99% is better.

Also, ideal application temperature is 68-104F (20-40F). Below these temperatures, the adhesive doesn't like to bond well to the substrate. Adding a little pressure and heat will always help the bond.

If you are bonding to a very slick surface (low surface energy) such as a powder coated steel or polyethylene, you may need a different VHB product. We have used 4952 in these applications with good success, which is specifically designed for LSE substrates.
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5 of 6 people found the following review helpful By mogman43 on January 1, 2013
Verified Purchase
Worked well. Stuck like it was a screwed. Requires pressure, I don't know for how long, so I used a clamp. Even repaired a loose shoe sole. Great stuff. It bonds more than skin!
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4 of 5 people found the following review helpful By tterb45 on October 27, 2013
Verified Purchase
Did a little bit of research on the internet, and this stuff is not at all like duct tape. You can't just stick it on and walk away.
1) You have to prep both surfaces. Clean with plain old isopropyl alcohol. If possible, rough up the surface where you will put the tape with something abrasive (before using the isopropyl alcohol).
2) The first 72 hours this stuff wants to be close to body temperature. I put mine on the top of the clothes dryer or something similar. If it were something big, I have halogen shop lights I could use to raise the temp enough to "cure" it. A hair-dryer might work in a pinch, but that's a lot of trouble.
3) Pressure helps, but pressure by itself may not get it done. I used regular hand clamps with thin books/boards under the clamps to make sure I didn't damage/scratch/bend the object I was taping.

Once it's stuck (past the 72 hour curing period), temperature doesn't seem to make any difference at all. Don't expect to be able to get this stuff off once it's cured -- not without pulling off pieces of the material that it is stuck to.
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4 of 5 people found the following review helpful By ChevyCamaroGirl on November 3, 2013
Verified Purchase
This stuff really sticks. If the surface is prepared properly, it will not come off easily. I used this on my 2010 Camaro to install a front splitter to its facia.
Here is my prep procedure:
Clean both surfaces with soap and water. Dry with a lint free cloth. Next I used 90% alcohol to clean any residue left over. I next used a 3m adhesive promoter on each contact surface. The promoter makes a huge difference in the bonding. Place the Vhb tape on the surface to be installed. Leave the protective backing on the tape until you have it in the exact spot. I then attached the splitter by clamps on each end and 1 screw in the middle. Slowly pull the tape backing. Be very certain you have it in the correct position before you pull the backing off the tape. Press on the part along where the tape is attached. Done. It ain't coming off easily. I totally trust that it will not come off.
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1 of 1 people found the following review helpful By Arya926 on June 23, 2014
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We recently moved into a new house. I had to purchase 15 window blinds before we moved in. I measured the inside of the frame and, upon receiving them, found out they could not be mounted on the inside because they are vinyl sash windows. OOPS! I couldn't return the custom-cut blinds and I didn't have time to order more before the move so my husband suggested VHB tape. I thought there was NO WAY this tape would hold blinds that size and weight but I purchased it anyway.

I wiped down the window frame and cut the tape to fit the mounting brackets. I applied the tape to the brackets and heated it with a hair dryer. Then, I applied the brackets to the inside of the frame. The next day, I put up the first "test" blind and it held. We came back the next day and it was still up so I went ahead with the rest of them. An hour later, all of the blinds were installed. It has been almost a year since installation and we haven't had a single incident. They are all still holding well with regular use.

I honestly think that if I had a choice between mounting the blinds with screws and mounting them with this VHB tape, I would do the tape again. It was that easy! I can't wait to find more applications for this amazing tape.
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Verified Purchase
I had an issue with a mount I accidentally improperly placed a short time ago, and by the time I got it up, I had totally destroyed the double-sided backing. A neighbor had a small 3/4"-wide roll of this stuff, which was apparently what had been on the back of the mount in the first place; after I applied a patch and very carefully placed it, and nothing short of a winch (or a half-hour's work with a razor blade and a knife, which was what it took to get it off in the first place) would have removed the mount. Oh, yeah, I'm gonna keep this tape handy...
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