• Description for 3M Scotch-Weld Instant Surface Activator

    Liquid chemical products used in conjunction with 3M™ Scotch-Weld™ Instant Adhesives.

    *See Terms of Use Below

    Application Type Activator, Primer
    1 Part or 2 Part 1 Part
    Material Form Liquid
    Substrate Plastic: Polyacrylic Finish, Aluminum, Porous surfaces, Porous surfaces, Dissimilar materials, Glass, Metals, Plastic, Rubber, Steel, Steel, Different woods, Wood, Pine, Poplar, Oak, Maple, Medium Density Fiberboard (MDF), Plywood, Particleboard
    Manufacturer 3M
    Chemistry Acetone based
    Cure Method Solvent
    Cure Temperature (°C) 20 to 25, 23, 23, 23
    Cure Time (min) 1,440, 1,440, 1,440, <0.50
    Viscosity (cPs) 10, 450, 2,250, Thin, Medium, Thick, <10
    Color Light Amber
    Density (g/cm³) 7 (weight (lbs/gal))
  • Technical Data

    Overview
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    Specifications
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  • Best Practices

    *See Terms of Use Below

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
20 to 25°C
23°C Thin, Time to full cure defined as the time required for the adhesive to achieve a minimum of 80% of its ultimate overlap shear strength to aluminum
23°C Medium, Time to full cure defined as the time required for the adhesive to achieve a minimum of 80% of its ultimate overlap shear strength to aluminum
23°C Thick, Time to full cure defined as the time required for the adhesive to achieve a minimum of 80% of its ultimate overlap shear strength to aluminum
Cure Time Test Methods
Cure Time Test Method
1,440 min Thin, Time to full cure defined as the time required for the adhesive to achieve a minimum of 80% of its ultimate overlap shear strength to aluminum
1,440 min Medium, Time to full cure defined as the time required for the adhesive to achieve a minimum of 80% of its ultimate overlap shear strength to aluminum
1,440 min Thick, Time to full cure defined as the time required for the adhesive to achieve a minimum of 80% of its ultimate overlap shear strength to aluminum
<0.50 min
Viscosity Test Methods
Viscosity Test Method Temperature
10 cPs Thin, Viscosity determined with Brookfield viscometer with spindle #1 @ 60 rpm (Thin), #2 @ 30 rpm (Medium) and #2 @ 6 rpm (Thick) at 77°F (25°C) 23°C
450 cPs Medium, Viscosity determined with Brookfield viscometer with spindle #1 @ 60 rpm (Thin), #2 @ 30 rpm (Medium) and #2 @ 6 rpm (Thick) at 77°F (25°C) 23°C
2,250 cPs Thick, Viscosity determined with Brookfield viscometer with spindle #1 @ 60 rpm (Thin), #2 @ 30 rpm (Medium) and #2 @ 6 rpm (Thick) at 77°F (25°C) 23°C
Thin
Medium
Thick
<10 cPs Viscosity measured by Brookeld Viscometer RVT Spindle #1 @ 30 rpm, uncured
Shear Strength Test Methods
Shear Strength Type Cure Time Substrate Test Method
700 psi Overlap shear strength 1.00 to 2.00 min Steel Overlap shear bonds were made (per ASTM-D-1002) on steel and aluminum substrates. Substrates were 1 in. wide by 4 in. long by .060 in. thick/ over-lapped 1/2 in. The 1/2 in. bond area was abraded with #280 sandpaper and wiped with Methyl Ethyl Ketone (MEK). Activator was brush applied to one side of the bond area and the Scotch-Weld instant adhesive CA applied to the other and the bond made. Scotch-Weld instant adhesive CA5
2,300 psi Overlap shear strength 60 min Steel Overlap shear bonds were made (per ASTM-D-1002) on steel and aluminum substrates. Substrates were 1 in. wide by 4 in. long by .060 in. thick/ over-lapped 1/2 in. The 1/2 in. bond area was abraded with #280 sandpaper and wiped with Methyl Ethyl Ketone (MEK). Activator was brush applied to one side of the bond area and the Scotch-Weld instant adhesive CA applied to the other and the bond made. Scotch-Weld instant adhesive CA5
2,300 psi Overlap shear strength 1,440 min Steel Overlap shear bonds were made (per ASTM-D-1002) on steel and aluminum substrates. Substrates were 1 in. wide by 4 in. long by .060 in. thick/ over-lapped 1/2 in. The 1/2 in. bond area was abraded with #280 sandpaper and wiped with Methyl Ethyl Ketone (MEK). Activator was brush applied to one side of the bond area and the Scotch-Weld instant adhesive CA applied to the other and the bond made. Scotch-Weld instant adhesive CA5
500 psi Overlap shear strength 1.00 to 2.00 min Steel Overlap shear bonds were made (per ASTM-D-1002) on steel and aluminum substrates. Substrates were 1 in. wide by 4 in. long by .060 in. thick/ over-lapped 1/2 in. The 1/2 in. bond area was abraded with #280 sandpaper and wiped with Methyl Ethyl Ketone (MEK). Activator was brush applied to one side of the bond area and the Scotch-Weld instant adhesive CA applied to the other and the bond made. Scotch-Weld instant adhesive Gel CA50
2,100 psi Overlap shear strength 60 min Steel Overlap shear bonds were made (per ASTM-D-1002) on steel and aluminum substrates. Substrates were 1 in. wide by 4 in. long by .060 in. thick/ over-lapped 1/2 in. The 1/2 in. bond area was abraded with #280 sandpaper and wiped with Methyl Ethyl Ketone (MEK). Activator was brush applied to one side of the bond area and the Scotch-Weld instant adhesive CA applied to the other and the bond made. Scotch-Weld instant adhesive Gel CA50
2,300 psi Overlap shear strength 1,440 min Steel Overlap shear bonds were made (per ASTM-D-1002) on steel and aluminum substrates. Substrates were 1 in. wide by 4 in. long by .060 in. thick/ over-lapped 1/2 in. The 1/2 in. bond area was abraded with #280 sandpaper and wiped with Methyl Ethyl Ketone (MEK). Activator was brush applied to one side of the bond area and the Scotch-Weld instant adhesive CA applied to the other and the bond made. Scotch-Weld instant adhesive Gel CA50
600 psi Overlap shear strength 1.00 to 2.00 min Aluminum Overlap shear bonds were made (per ASTM-D-1002) on steel and aluminum substrates. Substrates were 1 in. wide by 4 in. long by .060 in. thick/ over-lapped 1/2 in. The 1/2 in. bond area was abraded with #280 sandpaper and wiped with Methyl Ethyl Ketone (MEK). Activator was brush applied to one side of the bond area and the Scotch-Weld instant adhesive CA applied to the other and the bond made. Scotch-Weld instant adhesive CA5
1,900 psi Overlap shear strength 60 min Aluminum Overlap shear bonds were made (per ASTM-D-1002) on steel and aluminum substrates. Substrates were 1 in. wide by 4 in. long by .060 in. thick/ over-lapped 1/2 in. The 1/2 in. bond area was abraded with #280 sandpaper and wiped with Methyl Ethyl Ketone (MEK). Activator was brush applied to one side of the bond area and the Scotch-Weld instant adhesive CA applied to the other and the bond made. Scotch-Weld instant adhesive CA5
1,900 psi Overlap shear strength 1,440 min Aluminum Overlap shear bonds were made (per ASTM-D-1002) on steel and aluminum substrates. Substrates were 1 in. wide by 4 in. long by .060 in. thick/ over-lapped 1/2 in. The 1/2 in. bond area was abraded with #280 sandpaper and wiped with Methyl Ethyl Ketone (MEK). Activator was brush applied to one side of the bond area and the Scotch-Weld instant adhesive CA applied to the other and the bond made. Scotch-Weld instant adhesive CA5
500 psi Overlap shear strength 1.00 to 2.00 min Aluminum Overlap shear bonds were made (per ASTM-D-1002) on steel and aluminum substrates. Substrates were 1 in. wide by 4 in. long by .060 in. thick/ over-lapped 1/2 in. The 1/2 in. bond area was abraded with #280 sandpaper and wiped with Methyl Ethyl Ketone (MEK). Activator was brush applied to one side of the bond area and the Scotch-Weld instant adhesive CA applied to the other and the bond made. Scotch-Weld instant adhesive Gel CA50
1,000 psi Overlap shear strength 60 min Aluminum Overlap shear bonds were made (per ASTM-D-1002) on steel and aluminum substrates. Substrates were 1 in. wide by 4 in. long by .060 in. thick/ over-lapped 1/2 in. The 1/2 in. bond area was abraded with #280 sandpaper and wiped with Methyl Ethyl Ketone (MEK). Activator was brush applied to one side of the bond area and the Scotch-Weld instant adhesive CA applied to the other and the bond made. Scotch-Weld instant adhesive Gel CA50
1,100 psi Overlap shear strength 1,440 min Aluminum Overlap shear bonds were made (per ASTM-D-1002) on steel and aluminum substrates. Substrates were 1 in. wide by 4 in. long by .060 in. thick/ over-lapped 1/2 in. The 1/2 in. bond area was abraded with #280 sandpaper and wiped with Methyl Ethyl Ketone (MEK). Activator was brush applied to one side of the bond area and the Scotch-Weld instant adhesive CA applied to the other and the bond made. Scotch-Weld instant adhesive Gel CA50