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3M™ 08270 2-Part Repair Adhesive, 400 mL Cartridge, Liquid/Viscous, White/Dark Green, 10 min Curing

3M™ 08270 2-Part Repair Adhesive, 400 mL Cartridge, Liquid/Viscous, White/Dark Green, 10 min Curing

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Product Description

3M™ SMC/fiberglass repair adhesives are two-part urethanes or two-part epoxies used to bond backup strips to SMC (sheet molded compound), FRP (traditional fiberglass) and primed metal. Our adhesives provide a full range of hardness, flexibility and work times for jobs such as reinforcing the backside of plastic components on vehicles. They use automatic mixing and offer excellent sag-resistance. When the backside of a plastic-component is loosening or a new-component is being installed, 3M™ SMC/fiberglass repair adhesives offer the reliable adhesion that you need for bonding rigid plastics. They securely bond pieces with impervious surfaces. Our adhesives are ideal for small repair areas such as grilles and small gouges, as well as bonding headlamp buckets. Fast work time for larger backup strips and patch applications. Excellent for bonding headlamp buckets. Achieves maximum work strength fast. Automatic mixing with excellent sag-resistance.


  • Two part urethane or two part epoxy adhesives effectively bond rigid plastic
  • Commonly used to bond backup strips to SMC and FRP (traditional fiberglass)
  • Frequently used for backside reinforcement repair on a variety of plastic components
  • Adhesive offers excellent sag-resistance
  • A range of work times allows for maximum efficiency on specific jobs


More Information
Part No. 8270
Product Line MMA
MFR Model 08270
Standard/Approvals OEM Approved
Application For bonding back-up strips and patches to rigid plastics, such as sheet molded compound (SMC), fiber reinforced polyester (FRP)
Manufacturer 3M Products
Alternate Part Number-1 60455050256
UPC 051135082706
Brand 3M™
Maximum Sale Quantity 6
Maximum Sale Day 7
Part Status A
Applicable Materials Fiberglass, SMC
Composition 30 to 60% Methylene Phenylene Isocyanate, 30 to 60% NJTSRN 04499600-6779 Urethane Prepolymer, 10 to 30% 4,4'-Diisocyanatodiphenylmethane Polymer, 7 to 13% Talc, 7 to 13% Aluminum Silicate (NJTSRN 04499600-6789), '1 to 5% Thickening Agent (NJTSRN 04499600-6784) ('Part A)/30 to 60% Polyether Polyol (NJTSRN 04499600-6782), 5 to 40% Talc, 3 to 7% Urethane Prepolymer (NJTSRN 04499600-6781), 1 to 5% Clay, <1% Piperazine (Part B)
Application Time 90 s
Specific Gravity 1.288 (Part A), 1 to 1.2 (Part B)
Base Type Urethane
Component 2K
Odor/Scent Slight Isocyanate (Part A), Slight Ammonia (Part B)
Color White (Part A), Dark Green (Part B)
Container Size (mL) 400
Setting Time 5 min
Flash Point >383 deg F (Part A), >340 deg F (Part B)
Container Type Cartridge
Form Liquid (Part A), Viscous (Part B)
Temperature Rating (deg F) -40 to 180
Type 2-Part
Curing Time 10 min


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