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3M™ Polystyrene Insulation 78 Spray Adhesive

3M Product Number 78
14  Products
  • Designed specifically for bonding expanding polystyrene foams (EPS)
  • Forms a bond stronger than the polystyrene foam
  • Will not dissolve or degrade polystyrene
  • Sprays with a lace pattern optimized for foam bonding
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  • Designed specifically for bonding expanding polystyrene foams (EPS)
  • Forms a bond stronger than the polystyrene foam
  • Will not dissolve or degrade polystyrene
  • Sprays with a lace pattern optimized for foam bonding
  • Provides professional, industrial strength adhesive for demanding applications
  • Allows for a bond time of one to 30 minutes

3M™ Polystyrene Insulation 78 Spray Adhesive is our high strength, industrial grade spray adhesive. It is effective for bonding most types of insulation such as fiberglass and expanded polystyrene foam (EPS) onto numerous kinds of materials.

Safe and Easy Insulation Attachment
We designed our 3M™ Polystyrene Insulation 78 Spray Adhesive to be a high-solids, high-coverage formula that is capable of bonding similar and dissimilar surfaces. With the help of an effective lace spray pattern, this adhesive will bond expanded polystyrene foams (EPS) to themselves and other surfaces, including concrete. Plus, it won't dissolve or degrade foam. 3M™ Polystyrene Insulation 78 Spray Adhesive creates a high temperature resistant bond. With a bonding range of one to 30 minutes, there is sufficient open time to let you position parts.

User spraying a concrete wall before applying polystyrene
This spray adhesive allows enough time to position your polystyrene properly
Other Recommended Applications Include
  • Foundation insulation
  • Polystyrene block assembly
  • Attaching foam to wood and other substrates
  • Proven excellent for roofing and landscaping
  • Styrofoam cores for composites
Your Polystyrene Adhesive
3M™ Polystyrene Insulation 78 Spray Adhesive is capable of bonding polystyrene foam onto a wide array of materials, including paper, cardboard, plastic, metal, wood and much more. This spray adhesive has been proven to work well for projects both large and small.

Cylinder Spray Delivery
3M™ Polystyrene Insulation 78 Spray Adhesive can be used with our 3M Cylinder Spray Adhesive system. Each cylinder is self-contained, pressurized, and ready for immediate use. Available in a variety of sizes, they're portable and require minimal equipment investment and maintenance. Our cylinders help increase your productivity with fast application and no time-consuming equipment setup. The applicator and hose connect quickly and allow you to start spraying immediately. Our new high output applicator with controlled wide web pattern for fast coverage. The wide, uniform spray is the optimal pattern to deliver effective and economic use of the adhesive. It also minimizes any pooling for even curing. 3M has a complete line of innovative sprayable adhesives that support a wide range of industrial applications, from aerospace to woodworking.


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Customer Reviews
3M™ Polystyrene Insulation 78 Spray Adhesive is rated 2.0 out of 5 by 1.
Rated 2 out of 5 by from Application tips missing from container Ordered some 3M 78 spray adhesive for a project involving polystyrene. Would like to have been informed that it can come out of the nozzle in a string as well as a rain or cloud. Instructions do not warn that each application has a powerful attraction for each other and can result in an unintended or badly timed bonding between layers. Like contact cement, you only have one chance to get it right. Not having been forewarned, I got an acceptable not a good result. Thankfully I didn’t have to do it again.
Date published: 2019-04-02
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If you are considering a large purchase of this or other 3M Industrial Adhesives and Tape products, our inside sales team is ready to help by providing additional information and options. Our technical expertise, customer support, and global capabilities put us in a unique position to address your biggest challenges, and we'll do our best to prove that we should be your supplier of choice.


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