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3M Scotch-Weld Plastic & Rubber Instant Adhesive PR40, Clear, 20 Gram Bottle
Purchase options and add-ons
Brand | 3M |
Material | Adhesive |
Compatible Material | Plastic, Rubber |
Item Form | Gel |
Special Feature | Strong |
About this item
- Bonds to a number of substrates, including plastics and rubbers
- Precise application: pinch container for a precise drop or squeeze for a steady bead
- Low viscosity adhesive is easily applied from the bottle
- Strong, durable and long lasting bond on a variety of substrates
- Fast curing to keep projects moving quickly
Frequently bought together
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Product details
- Is Discontinued By Manufacturer : No
- Package Dimensions : 4.37 x 1.26 x 0.87 inches; 0.71 ounces
- Item model number : 25204
- Date First Available : June 3, 2017
- Manufacturer : 3M
- ASIN : B072Q9DBB5
- Country of Origin : United Kingdom
- Best Sellers Rank: #2,616 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
- #61 in Cyanoacrylate Adhesives
- Customer Reviews:
Product Description
3M Scotch-Weld Plastic & Rubber Instant Adhesive PR40 is a low viscosity instant adhesive. Our PR100 instant adhesive is formulated to give exceptional performance on difficult-to-bond substrates, such as EPDM, nylon, polypropylene and polyethylene with the use of an appropriate primer. Once applied, the glue is fast handling time and care to keep jobs moving quickly.
Important information
Legal Disclaimer
3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use. Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice. Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage. For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert. For additional product information, visit www.3M.com.
From the manufacturer
Scotch-Weld Plastic & Rubber Instant Adhesive PR40
Pinch Container for a Precise Drop or Squeeze for a Steady Bead
3M Scotch-Weld Plastic & Rubber Instant Adhesive PR40 is a glue that is easily applied with a thin bond line from a squeeze bottle and cures quickly. This cyanoacrylate adhesive is dispensed from a flexible container; pinch a precise drop or squeeze for a steady bead.
Recommended Applications:
- Gasket attachment
- Small Joint assembly
- Jewelry assembly
- Orthopedics and footwear
3M Scotch-Weld Plastic & Rubber Instant Adhesive PR40
3M Scotch-Weld Plastic & Rubber Instant Adhesive PR40 is a low viscosity instant adhesive. The PR100 instant adhesive is formulated to give exceptional performance on difficult-to-bond substrates, such as EPDM, nylon, polypropylene and polyethylene with use of an appropriate primer. Once applied, the glue has fast handling time and cure to keep jobs moving quickly.
- Bonds to a number of substrates, including plastics and rubbers
- Precise application: pinch container for a precise drop or squeeze for a steady bead
- Low viscosity adhesive is easily applied from the bottle
- Strong, durable and long lasting bond on a variety of substrates
- Fast curing to keep projects moving quickly
Creates a Strong, Durable, Long-Lasting Bond
Once applied, 3M Scotch-Weld Plastic & Rubber Instant Adhesive PR40 typically reaches handling strength in under 15 seconds, with a full cure achieved in 24 hours. This keeps jobs moving quickly and may help improve workplace productivity. Once a full cure is achieved, the glue achieves a strong, durable and lasting bond, with overlap shear strength over 2,000psi.
Plastic and Rubber Instant Adhesives
3M Scotch-Weld Plastic and Rubber Instant Adhesives are designed to give exceptional performance on difficult-to-bond plastic and rubber substrates. These adhesives may be bonded to like substrates or in combination with metal or composite substrates.
Bringing Better Ideas to the Surface through Science and Innovation
In the 3M Industrial Adhesives and Tapes Division, they apply the science of adhesion to deliver innovative solutions that improve the design and manufacturing processes of companies around the world. In the end, their technologies help customers like you deliver competitive products to the market faster and more efficiently.
Understanding Instant Adhesives
Instant adhesives are cyanoacrylate based formulas that are strong, fast-acting glues used in industrial and household applications. In general, they are an acrylic resin that rapidly polymerizes in the presence of moisture, forming long, strong chains, joining the bonded surfaces together. Cyanoacrylate adhesives should be applied thinly, with pressure put on the bond for a few seconds, to ensure that the reaction proceeds rapidly and a strong bond is formed within a reasonable time. 3M instant adhesives apply right from the container and rapidly reach handling strength at room temperature. Commonly referred to as a super glue, a single drop per square inch can bond many plastics, rubbers, metals, wood and more. An instant adhesive from 3M set a Guinness World Record in 2012 for the strongest glue by lifting an 8.1 metric ton forklift in the air for one hour.
What's in the box
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Customer Review: Doesn't bond to plastic chairs without tape
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the performance and durability of the bonding adhesives. For example, they mention it really works exceptionally well, and it holds well. Customers are also impresseded with the material and strength. That said, opinions are mixed on the quality, adhesion, value, and drying time.
AI-generated from the text of customer reviews
Customers are satisfied with the performance of the bonding adhesive. They mention that it works exceptionally well, does not melt fabric, and applies well. Some say that it does not work well for tire patches and other automotive uses. However, most are happy with the quality and quantity of the product.
"This product is well made and the reusable tip on the bottle works well. But it's just cyanoacrylate glue, and the price is somewhat high...." Read more
"This adhesive worked great for my project which was to bond some 3D printed (PLA) items to polyethylene (HDPE)...." Read more
"...more expensive adhesives, and it comes in a very plain, industrial-looking plastic container, no animals, colors or pretty pictures on the bottle,..." Read more
"...worked great! still holding been using it couple weeks...." Read more
Customers like the durability of the bonding adhesives. For example, they say it's very strong, holds well, and is extra strong. Some mention that the product is quality plastic glue, and that the pieces stayed together.
"This product is well made and the reusable tip on the bottle works well. But it's just cyanoacrylate glue, and the price is somewhat high...." Read more
"...is absolutely no give, no sign of the edge coming loose again, it's very solid...." Read more
"It worked just as described. Immediate bonding. Holds great." Read more
"...The 3m adhesive stucked the two ends together fast. Was strong and wouldn't pull apart." Read more
Customers are satisfied with the material of the bonding adhesive. They mention that it works well on plastics and rubber, and is super strong. Some say that it bonds rubber tire patches extremely well.
"Was skeptical but it worked fine on a rubber seal on a refrigerator door." Read more
"Everyone has an idea about glue. This works great on rubber, but when it comes to plastic it's not as good as I thought is should be...." Read more
"...It bonds rubber tire patches extremely well." Read more
"Fantastic glue, quick and permanent boding on tire rubber, I needed to make a quick patch and this really held...." Read more
Customers are satisfied with the strength of the bonding adhesive. They mention that it works quickly, gives a superior bond, and bonds instantly. It is excellent for HDPE to PLA, and TPE models. It's also good for joining extruded acrylic sheet. However, some customers report issues with the product not working well on extrusion polycarbonate sheet.
"It worked just as described. Immediate bonding. Holds great." Read more
"...It truly bonded with the TPE...." Read more
"...And it worked!Easy to use like children's glue. It does bond relatively quickly, so keep that in mind when using." Read more
"...And it bonds quickly. I used it to bond silicone rubber to plastic and it worked beautifully...." Read more
Customers are mixed about the quality of the bonding adhesive. Some mention it's a great glue with amazing adhesion and strength, and works perfectly to glue plastic. However, others say that it doesn't glue plastic very well, even after sanding the surface. They also mention that it'll not bond between polycarbonate or polycarbonates to acrylic, and that it has a gooey surface.
"...That's all. Great glue, easily worth the money." Read more
"...Not another that works better, this is top choice for instantly fusing plastics together!" Read more
"...But it's just cyanoacrylate glue, and the price is somewhat high.I didn't realize that it was just superglue when I bought it...." Read more
"...I have been surprised at how well it works on rubber and hard plastics. I have not tried it on HDPE but do not expect it would work well...." Read more
Customers are mixed about the adhesion of the bonding adhesive. Some mention that it adheres to skin quite well, has incredible sticking power, and does the job perfectly. However, others say that it's super thin, super sticky, gets everywhere, and makes a mess.
"good adhesive" Read more
"...I tore the rubber in half but the adhesive never let go. Finally a product that will work for this application." Read more
"...As others have stated, it will also adhere to skin quite well, so be careful. The adhesive is thin and can easily drip onto your body." Read more
"...The issue I had is the adhesive will stain the rubber with a white-ish smear on the tire...." Read more
Customers are mixed about the value of the bonding adhesive. Some mention it's well worth the price, works great on many items, and is worth it to bond plastic to plastic. However, others say that it'd be overpriced and a waste of money.
"...But it's just cyanoacrylate glue, and the price is somewhat high.I didn't realize that it was just superglue when I bought it...." Read more
"...Saved me a couple thousand dollars. Well worth the price." Read more
"...and eventually landed on this one. It is one of the more expensive adhesives, and it comes in a very plain, industrial-looking plastic container,..." Read more
"...I bought this product and wow it really holds. No more expensive doggy doors." Read more
Customers are mixed about the drying time of the bonding adhesive. Some mention that it dries quickly and is dry enough to let go within a minute. However, others say that it does not dry clear and leaves messy looking white.
"...Upside is, if you do, it dries quickly." Read more
"The drying time was a bit slow although the adhesion worked well. I used it to glue a rubber strip back on a bed cover on my truck." Read more
"...surface… works great, excellent viscosity, fast bonding agent, dried clear. Good product though expensive." Read more
"...It takes to long to dry on small stuff, I can't hold my hands long enough for it to dry. If your not in a hurry it does good...." Read more
Reviews with images
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Top reviews
Top reviews from the United States
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I didn't realize that it was just superglue when I bought it. It was advertised as being able to bond plastic and rubber-like materials. Having used a lot of formulations of this glue for other projects, I suspected that it would be too brittle for that application. And I was not wrong. One flex of the silicone rubber, and the glue shattered.
Still--neat bottle and the glue is fine when paired with appropriate materials.
- I started with both surfaces to be bonded in a horizontal position. The adhesive (and the primer are very thin and runny and this is the only way to minimize the mess.
- I masked off the non-bonding areas with blue painters tape to further reduce mess.
- I first primed the pieces by brushing the entire (cleaned) area for be bonded with acetone. Acetone is cheap and I had some (from Home Depot) so I decided to try it as an alternative to the expensive but official 3M primer.
- I applied a thin layer of adhesive to the HDPE side, spreading it about a bit with a wooden stir stick.
- I joined the pieces, clamped them together and carefully wiped away the excess with a paper towel. Note that the bonding is not immediate. Out of an abundance of caution I left the clamps on for 24 hours.
Maybe another process would work as well, but that worked great for me. You end up using a very small amount of adhesive so the little bottle goes farther than you might think. To be honest I had serious doubts that anything would work to bond HDPE, and was amazed at how well it ended up working. Good luck!
You bet it does. I can't quite believe the level of bond I got on rubber to rubber, it's amazing. There is absolutely no give, no sign of the edge coming loose again, it's very solid. At the price, I can see why you'd have reservations, so go ahead buy a cheaper one and be frustrated when it's not quite as good as you need. Then buy this one. I've been there. I write some reviews but not many, however this product got my attention and if you want something that works, get your wallet out, but this works.
One more important "health and safety" thing. The small-print is *small* - it's really tiny, I used a loupe to read it. But definitely read it. My inner five year old came out and I smelled the glue while it was wet. REALLY BAD IDEA. Don't do that. It doesn't just smell bad, it smells dangerous. It made me physically recoil and it took a while for the weird feeling in my nose to go away, so don't smell it, and keep the product locked away from the wee ones. That's all. Great glue, easily worth the money.
Top reviews from other countries
I put this patch on my rubber boots as soon as I got the glue and it hasn’t moved yet that’s probably been a year or more better then anything on the market hands down
Reviewed in Canada on November 11, 2023
I put this patch on my rubber boots as soon as I got the glue and it hasn’t moved yet that’s probably been a year or more better then anything on the market hands down