• Description for 3M DP820

    Medium worklife acrylic • High shear strength • Bonds slightly oily metals • Tough, flexible bonds

    *See Terms of Use Below

    Application Type Bond
    1 Part or 2 Part 2 Part
    Material Form Liquid
    Substrate Aluminum, Plastic: Acrylic, Ceramic, Copper, Metal, Rubber: Neoprene, ABS, Fiber Glass Reinforced plastic, Plastic: FR-4 Glass Epoxy, Polycarbonate, PVC, Rubber: Black SBR, Nitrile, Cold rolled Steel, Steel: Galvanized Steel, Fir, Aluminum - etched, Plastic, Rubber: Red SBR, Rubber, Steel, Wood, Aluminum - oily, CRS (oily), Aluminum - (solvent cleaned only)
    Manufacturer 3M
    Chemistry Acrylic
    Cure Method Base/Accelerator
    Cure Temperature (°C) 23
    Cure Time (min) 1,440 to 2,880
    Viscosity (cPs) Non-sag, 55,000
    Color Pale Yellow
    Chemical Resistance 1, 1, 1-Trichlorethane, 10% HCl, Acetone, Control (no immersion), Gasoline, IPA (isopropyl alcohol), Machine Oil, MEK (methyl ethyl ketone), Toluene
    High Temperature Resistance (°C) 93
    Low Temperature Resistance (°C) -55
    Other Resistance Aging resistance
  • Technical Data

    Overview
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    Specifications
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  • Best Practices

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
23°C
Cure Time Test Methods
Cure Time Test Method
1,440 to 2,880 min
Fixture or Handling Strength Time Test Methods
Fixture or Handling Strength Time Fixture-Handling Strength Test Method
30 to 40 min Time to achieve approx. 50 psi Overlap Shear Strength OLS when cured at 73°F 23°C.
Viscosity Test Methods
Viscosity Temperature
Non-sag
55,000 cPs 23°C
Work / Pot Time Test Methods
Work / Pot Time Test Method Temperature
20 min
15 to 20 min Approximate time during which material can remain in a mixer nozzle and still be expelled without undue force on the applicator. 23°C
15 min Approximate time after application of adhesive that bonds can be made without adversely affecting wetting out of adhesive and ultimate performance levels.
Medium
Shear Strength Test Methods
Shear Strength Type Substrate Chemical Test Time Test Temperature Test Method
Excellent
3,200 psi Overlap shear strength Aluminum - etched 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
2,900 psi Overlap shear strength Aluminum - (etched/oily) 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
3,100 psi Overlap shear strength Aluminum - (120 grit sandpaper) 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
300 psi Overlap shear strength Aluminum - (solvent cleaned only) 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
2,500 psi Overlap shear strength Cold Rolled Steel (CRS) 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
2,400 psi Overlap shear strength CRS (oily) 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
1,200 psi Overlap shear strength Galvanized Steel 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
2,000 psi Overlap shear strength FR-4 Glass Epoxy 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
700 psi Overlap shear strength Fiberglass Reinforced Plastic 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
1,000 psi Overlap shear strength ABS 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
1,750 psi Overlap shear strength PVC 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
1,150 psi Overlap shear strength Polycarbonate 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
1,250 psi Overlap shear strength Acrylic 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
1,200 psi Overlap shear strength Fir wood 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
2,500 psi Overlap shear strength CRS/CRS Control (no immersion) >604,800 sec 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
NR Overlap shear strength CRS/CRS Toluene >604,800 sec 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
1,950 psi Overlap shear strength CRS/CRS Machine Oil >604,800 sec 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
1,350 psi Overlap shear strength CRS/CRS IPA (isopropyl alcohol) >604,800 sec 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
1,500 psi Overlap shear strength CRS/CRS Gasoline >604,800 sec 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
NR Overlap shear strength CRS/CRS 1,1,1-Trichlorothane >604,800 sec 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
NR Overlap shear strength CRS/CRS 10% HCI >604,800 sec 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
NR Overlap shear strength CRS/CRS MEK (methyl ethyl Ketone) >604,800 sec 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
NR Overlap shear strength CRS/CRS Acetone >604,800 sec 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
3,100 psi Overlap shear strength Etched Alum./Etched Alum. -55°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
3,150 psi Overlap shear strength Etched Alum./Etched Alum. 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
1,900 psi Overlap shear strength Etched Alum./Etched Alum. 83°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
1,450 psi Overlap shear strength Etched Alum./Etched Alum. 93°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
40 psi Overlap shear strength Etched Al/Etched Al 1,800 sec 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
900 psi Overlap shear strength Etched Al/Etched Al 3,600 sec 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
1,700 psi Overlap shear strength Etched Al/Etched Al 7,200 sec 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
2,750 psi Overlap shear strength Etched Al/Etched Al 14,400 sec 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
3,400 psi Overlap shear strength Etched Al/Etched Al 86,400 sec 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
3,450 psi Overlap shear strength Etched Al/Etched Al 172,800 sec 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
3,450 psi Overlap shear strength Etched Al/Etched Al 604,800 sec 23°C Overlap Shear (ASTM D-1002-64) (3M TM C-236) strengths were measured on 1 in. wide 1/2 in. overlap specimens. These bonds were made individually using 1 in. x 4 in. pieces of substrate. The thickness of the bond line was 0.005 - 0.008 in. All strengths were measured at 73°F (23°C) except when noted. The separation rate of the testing jaws was 0.1 in. per minute for metals, 2 in. per minute for plastics and 20 in. per minute for rubbers. The thickness of the substrates were: steel 0.035 in., other metals: 0.05-0.064 in., rubbers, 0.125 in., plastics, 0.125 in.
Peel Strength Test Methods
Peel Strength Type Substrate Test Temperature Test Method
Excellent
19 piw 180° Peel strength Etched Al/Etched Al -55°C Metal/metal bonds tested per 3M TM C-439 @ 20 in./min. at 73°F (23°C) substrate 0.020 in. thick. Metal/rubber bonds pulled at 10 in./min., Rubber/metal bonds. Rubber sanded with 120 grit sandpaper then MEK wiped.
22 piw 180° Peel strength Etched Al/Etched Al 23°C Metal/metal bonds tested per 3M TM C-439 @ 20 in./min. at 73°F (23°C) substrate 0.020 in. thick. Metal/rubber bonds pulled at 10 in./min., Rubber/metal bonds. Rubber sanded with 120 grit sandpaper then MEK wiped.
22 piw 180° Peel strength Etched Al/Etched Al 38°C Metal/metal bonds tested per 3M TM C-439 @ 20 in./min. at 73°F (23°C) substrate 0.020 in. thick. Metal/rubber bonds pulled at 10 in./min., Rubber/metal bonds. Rubber sanded with 120 grit sandpaper then MEK wiped.
22 piw 180° Peel strength Etched Al/Etched Al 54°C Metal/metal bonds tested per 3M TM C-439 @ 20 in./min. at 73°F (23°C) substrate 0.020 in. thick. Metal/rubber bonds pulled at 10 in./min., Rubber/metal bonds. Rubber sanded with 120 grit sandpaper then MEK wiped.
22 piw 180° Peel strength Etched Al/Etched Al 65°C Metal/metal bonds tested per 3M TM C-439 @ 20 in./min. at 73°F (23°C) substrate 0.020 in. thick. Metal/rubber bonds pulled at 10 in./min., Rubber/metal bonds. Rubber sanded with 120 grit sandpaper then MEK wiped.
22 piw 180° Peel strength Etched Al/Etched Al 83°C Metal/metal bonds tested per 3M TM C-439 @ 20 in./min. at 73°F (23°C) substrate 0.020 in. thick. Metal/rubber bonds pulled at 10 in./min., Rubber/metal bonds. Rubber sanded with 120 grit sandpaper then MEK wiped.
11 piw 180° Peel strength Neoprene/CRS 23°C Metal/metal bonds tested per 3M TM C-439 @ 20 in./min. at 73°F (23°C) substrate 0.020 in. thick. Metal/rubber bonds pulled at 10 in./min., Rubber/metal bonds. Rubber sanded with 120 grit sandpaper then MEK wiped.
22 piw 180° Peel strength Nitrile/CRS 23°C Metal/metal bonds tested per 3M TM C-439 @ 20 in./min. at 73°F (23°C) substrate 0.020 in. thick. Metal/rubber bonds pulled at 10 in./min., Rubber/metal bonds. Rubber sanded with 120 grit sandpaper then MEK wiped.
9 piw 180° Peel strength Black SBR/CRS 23°C Metal/metal bonds tested per 3M TM C-439 @ 20 in./min. at 73°F (23°C) substrate 0.020 in. thick. Metal/rubber bonds pulled at 10 in./min., Rubber/metal bonds. Rubber sanded with 120 grit sandpaper then MEK wiped.
Dielectric Constant Test Methods
Dielectric Constant Temperature Test Method
3.10 23°C ASTM D-150 at 73°F (23°C), 500 Hz
3.00 23°C ASTM D-150 at 73°F (23°C), 1 KHz
2.80 23°C ASTM D-150 at 73°F (23°C), 10 KHz
2.80 23°C ASTM D-150 at 73°F (23°C), 100 KHz
Dielectric Strength Test Methods
Dielectric Strength Temperature Test Method
3,500 V/mil 23°C ASTM D-149 at 73°F (23°C). Sample thickness 14 mils.
Dissipation Factor Test Methods
Dissipation Factor Temperature Test Method
0.08300 23°C ASTM D-150 at 73°F (23°C), 500 Hz
0.06500 23°C ASTM D-150 at 73°F (23°C), 1 KHz
0.03200 23°C ASTM D-150 at 73°F (23°C), 10 KHz
0.02200 23°C ASTM D-150 at 73°F (23°C), 100 KHz
Volume Resistivity Test Methods
Volume Resistivity Temp (°C) Test Method
2.2e12 (ohms/cm) 23°C ASTM D-257 at 73°F (23°C).
Surface Resistivity Test Methods
Surface Resistivity Temperature Test Method
1.6e14 (ohms) 23°C ASTM D-257 at 73°F (23°C).
Elongation Test Methods
Elongation Test Method
50 to 75 % Tensile and Elongation. Used procedure in 3M Test Method C-3094/ASTM D-882. Samples were 2 in. dumbbells with 0.125 in. neck and .030 in. sample thickness. Separation rate was 2 inches per minute.
Shore D Hardness Test Methods
Shore D Hardness Shore Hardness Test Method
75 ASTM D-2240
Coefficient of Thermal Expansion (CTE) Test Methods
Coefficient of Thermal Expansion (CTE) CTE Temperature (°C) CTE Test Method
180e-6 (unit/unit /°C) 20 to 70°C Determined using Thermal Mechanical Analysis (TMA) and heating rate of 41°F (5°C) per minute. First heat values given.
Glass Transition Temp (Tg) Test Methods
Glass Transition Temp (Tg) Glass Transition Temperature (Tg) Test Method
58°C Determined using DSC and heating rate of 68°F (20°C) per minute.