Safe and Easy Insulation Attachment with an Extended Open Time
3M™ Polystyrene Insulation 78 ET Cylinder Spray Adhesive is designed to be a high-solids, high-coverage formula designed for bonding many types of insulation. A lace spray pattern optimized for foam bonding helps bond expanded polystyrene foams (EPS) to themselves and other surfaces, including concrete. This spray is engineered so it won’t dissolve or degrade foam when used according to 3M instructions. With a bonding range of one to 60 minutes, it provides extended open time to let you position parts.
Recommended Applications
- 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 ET Cylinder 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 ET Cylinder 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. The wide, uniform spray is the optimal pattern to deliver effective and economic use of the adhesive. It also minimizes any pooling for even drying. 3M has a complete line of innovative sprayable adhesives that support a wide range of industrial applications, from aerospace to woodworking.

3M™ 07012, Supplied Air Hose W-9435-100/07012(AAD), 100 ft, 3/8 in ID, Industrial Interchange Fittings, High Pressure, 7000005375, 1 EA/Case
3M 16609, Accuspray Atomizing Head, Red, 2.0 mm, 7000045543 (4 Nozzles/Kit) (6 Kits/Case)
3M 33780, 641WY 1/4" X 24", 400 Mesh Diamond Cloth Belt, 7010534915
Dynabrade 53245 7" Dia. Type 27 Vertical Depressed Center Wheel Grinder, 3 HP, 8,500 RPM, 5/8"-11 Spindle
Dynabrade 53249 9" Dia. Type 27 Vertical Depressed Center Wheel Grinder, 3 HP, 6,000 RPM, 5/8"-11 Spindle
3M 33349, 641WY 1/4" X 24", 220 Mesh Diamond Cloth Belt, 7010534919
3M 00110, Adhesive Transfer Tape Extended Liner 920XL, Translucent, 1/2 in x 500 yd, 1 mil, 7100259600
3M 26312, PPS Series 2.0 Spray Cup System Kit, Midi (13.5 oz, 400 mL),
125 Micron Filter, 7100169346
Insize ISY-100-27018, SUPPORT HEAD, nylon, 6928640393808
3M 36879, Self-Stick Liquid Protection Fabric, Blue, 28 in x 300 ft, 7100169496 
