3M DP807 Scotch-Weld Acrylic Adhesive Datasheet 3M DP807 Scotch-Weld Acrylic Adhesive

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  • Description for 3M DP807 Scotch-Weld Acrylic Adhesive

    Two-part, 1:1 mix ratio, toughened acrylic structural adhesives. Exhibit excellent shear and peel strengths.

    *See Terms of Use Below

    Chemical Resistance Acetone, Chemical Resistance: MEK (methyl ethyl ketone), Chemical Resistance: Fluid Resistance: Tap water, Bleach solution, IPA (isopropyl alcohol), Unleaded gasoline, Diesel fuel, Antifreeze, Toluene
    Application Type Bond
    1 Part or 2 Part 2-Part
    Material Form Liquid
    Substrate Acrylic, Aluminum etched, ceramics, Green Fiberglass Reinforced Plastic, Glass, many metals, most plastics, Polycarbonate (PC), Polyvinylchloride (PVC), Rubber, Cold-Rolled Steel (CRS), wood, Stainless Steel, Acrylonitrile Butadiene Styrene (ABS), Aluminum abraded, Cold-Rolled Steel – slightly oily, Aluminum bare, Cold-Rolled Steel (CRS) – solvent cleaned
    Manufacturer 3M
    Chemistry Acrylic
    Cure Method Base/Accelerator, Heat up to 120 (F) to 150 (F)
    Cure Temperature (°C) 23
    Cure Time (min) 240 to 1,440
    Viscosity (cPs) Non-sag
    Color Pale yellow
    High Temperature Resistance (°C) 24, 49, 82
    Low Temperature Resistance (°C) -55

  • Technical Data for 3M DP807 Scotch-Weld Acrylic Adhesive

    *See Terms of Use Below

    Overview
    • Chemical Resistance
      • Chemical Resistance : Fluid Resistance : Water Resistance - Tap water
      • Chemical Resistance - Bleach solution, IPA (isopropyl alcohol), Unleaded gasoline, Diesel fuel, Antifreeze, Toluene, Acetone
      • Chemical Resistance : Relative Solvent Resistance - MEK (methyl ethyl ketone)
    • Application Type
    • 1 Part or 2 Part
      • 2-Part
    • Material Form
      • Liquid
    • Substrate
    • Industry
    • Chemistry
    • Cure Method
      • Heat - Heat up to 120 (F) to 150 (F)
      • 2-Part Cure - Base/Accelerator
    • Color
      • Yellow - Pale yellow
    Specifications
    Cure Specs
    Cure Temperature (°C) 23
    Cure Time (min) 240 to 1,440
    Viscosity (cPs) Non-sag
    Fixture or Handling Strength Time (min) 8 to 10 Test Method
    Set Time (min) 1,440 Test Method
    Work / Pot Time (min) 5.00, 4.00 to 6 Test Method
    Mix Ratio 1:1 (by volume), 1:1 (by weight)
    Bond Strength
    Structural/Load-Bearing Structural
    General Bond Strength (psi) 210, 2,940, 4,000, 3,990, 4,265, 4,525 Test Method
    Peel Strength (piw) Excellent, 26 Test Method
    Shear Strength (psi) Excellent, 4,200, 4,100, 4,350, 3,125, 2,600, 4,050, 2,775, 1,025, 1,300, 950, 1,000, 4,725, 3,150, 2,250, 4,125, 4,100, 2,600, 5,000, 5,150, 875, 2,000, 4,275, 2,600, 825 Test Method
    Material Resistance
    High Temperature Resistance (°C) 24, 49, 82
    Low Temperature Resistance (°C) -55
    Hardness
    Shore D Hardness 70 Test Method
    Business Information
    Shelf Life Details Stroage: Store product in cool, dry area where temperature range is 70°F (21°C). Refrigerated storage 40-60°F (4-16°) is recommended, but do not freeze., 3M™ Scotch-Weld™ Acrylic Adhesives DP807, DP812, and DP825 have a shelf life of 12 months in unopened original containers kept at recommended storage.
    Shelf Life Temperature (°F) 70, 40 to 60
    Shelf Life (mon) 12

  • Best Practices for 3M DP807 Scotch-Weld Acrylic Adhesive

    *See Terms of Use Below

    1. Surface Preparation

      For high strength structural bonds, paint, oxide films, oils, dust, mold release agents and all other surface contaminants must me completely removed. The amount of surface preparation depends on the required bond strength, environmental aging resistance desired by the user.

      The following cleaning methods are suggested for common surfaces: Steel: Wipe free of dust with oil-free solvent such as acetone or isopropyl alcohol solvents.

      Sandblast or abrade using clean fine grit abrasives.

      Wipe again with solvent to remove loose particles

      If a primer is used, it should be applied within 4 hours after surface preparation. If 3M™ Scotch-Weld™ Structural Adhesive Primer EC1945 B/A is used, apply a thin coating (0.5 mils or 0.013 mm) on the metal surfaces to be bonded, air dry for 10 minutes, then cure for 30 minutes at 180°F (82°C) prior to bonding.

      Aluminum: Alkaline degrease: Oakite 164 solution (9-11 oz./gallon water) at 190°F ± 10°F (88°C ± 5°C) for 10-20 minutes. Rinse immediately in large quantities of cold running water.

      Acid etch: place panels in the following solution for 10 minutes at 150°F ± 5°F (66°C ± 2°C) Sodium dichromate 4.1 - 4.9 oz./gallon, Sulfuric acid, 66°Be 38.5 - 41.5 oz./gallon, 2024-T3 aluminum (dissolved) 0.2 oz./gallon minimum Tap water as needed for balance

      Rinse: rinse panels in clear running tap water

      Dry: air dry for 15 minutes, force dry for 10 minutes at 190°F ± 10°F (88°C ± 5°C).

      If primer is to be used, it should be applied within 4 hours after surface preparation.

      Plastics/Rubber: Wipe with isopropyl alcohol .

      Abrade using fine grit abrasives.

      Wipe with isopropyl alcohol .

      Glass:Solvent wipe surface using acetone or MEK .

      Apply a thin coating (0.0001 in. or less) of 3M™ Scotch-Weld™ Metal Primer EC3901 to the glass surfaces to be bonded and allow the primer to dry before bonding.

    2. Application

      For Duo-Pak Cartridges: 3M™ Scotch-Weld™ Acrylic Adhesives DP807, DP812 and DP825 are supplied in a dual syringe, plastic duo-pak cartridge as part of the 3M™ EPX™ Applicator System. To use, simply insert the duo-pak cartridge into the EPX applicator and start the plunger into the cylinders using light pressure on the trigger. Next, remove the duo-pak cartridge cap and expel a small amount of adhesive to be sure both sides of the duo-pak cartridge are flowing evenly and freely. If automatic mixing of Part A and part B is desired, attach the EPX mixing nozzle to the duo-pak cartridge and begin dispensing the adhesive. For hand mixing, expel the desired amount of adhesive and mix thoroughly. Mix approximately 15 seconds after a uniform color is obtained.

      For Bulk Containers: Mix thoroughly by weight or volume in the proportions specified on the product label or in the typical uncured properties section. Mix approximately 15 seconds after a uniform color is obtained.

      Once 3M™ Scotch-Weld™ Acrylic Adhesive has been applied to a surface, it is best to join the two mating surfaces together as soon as possible or within the applied open time. The reason for this is that beyond the applied open time, Scotch-Weld acrylic adhesive may begin to form a thin “skin” over the exposed surface. If left exposed long enough, a thick enough “skin” may form which will inhibit the proper wetting needed to achieve maximum strength.

    3. Mixing

      For Duo-Pak Cartridges: 3M™ Scotch-Weld™ Acrylic Adhesives DP807, DP812 and DP825 are supplied in a dual syringe, plastic duo-pak cartridge as part of the 3M™ EPX™ Applicator System. To use, simply insert the duo-pak cartridge into the EPX applicator and start the plunger into the cylinders using light pressure on the trigger. Next, remove the duo-pak cartridge cap and expel a small amount of adhesive to be sure both sides of the duo-pak cartridge are flowing evenly and freely. If automatic mixing of Part A and part B is desired, attach the EPX mixing nozzle to the duo-pak cartridge and begin dispensing the adhesive. For hand mixing, expel the desired amount of adhesive and mix thoroughly. Mix approximately 15 seconds after a uniform color is obtained.

      For Bulk Containers: Mix thoroughly by weight or volume in the proportions specified on the product label or in the typical uncured properties section. Mix approximately 15 seconds after a uniform color is obtained.

    4. Curing

      Join the adhesive coated surfaces and allow to cure at 60°F (16°C) or above until completely firm. Heat up to 120°F - 150°F (49°C - 66°C) will also speed curing. Scotch-Weld acrylic adhesives will fully cure in 24 hours @ 75°F (24°C)

      Keep parts from moving during cure. Apply contact pressure if necessary. Maximum shear strength is obtained with a 3-5 mil bond line

    5. Clean-Up

      Excess uncured adhesive can be cleaned up with ketone type solvents.

      When using solvents, extinguish all ignition sources, including pilot lights, and follow the manufacturer’s precautions and directions for use.

  • Comparable Materials for 3M DP807 Scotch-Weld Acrylic Adhesive

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Fixture or Handling Strength Time Test Methods
Fixture or Handling Strength Time Fixture-Handling Strength Test Method
8 to 10 min Time to achieve approximate 50 psi Overlap Shear Strength (OLS) when cured at (73°F) 23°C.
Set Time Test Methods
Set Time Set Temperature
1,440 min 24°C
Work / Pot Time Test Methods
Work / Pot Time Test Method Temperature
5.00 min
4.00 to 6 min Approximate time during which material can remain in a mixer nozzle and still be expelled without undue force on the applicator 23°C
General Bond Strength Test Methods
General Bond Strength Cure Temperature Substrate Test Time Test Temperature Test Method
210 psi 24°C Etched Aluminum 10 min 23°C Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before immersed. The separation rate of the testing jaws was 0.1 inch per minute.
2,940 psi 24°C Etched Aluminum 20 min 23°C Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before immersed. The separation rate of the testing jaws was 0.1 inch per minute.
4,000 psi 24°C Etched Aluminum 60 min 23°C Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before immersed. The separation rate of the testing jaws was 0.1 inch per minute.
3,990 psi 24°C Etched Aluminum 120 min 23°C Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before immersed. The separation rate of the testing jaws was 0.1 inch per minute.
4,265 psi 24°C Etched Aluminum 240 min 23°C Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before immersed. The separation rate of the testing jaws was 0.1 inch per minute.
4,525 psi 24°C Etched Aluminum 1,440 min 23°C Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before immersed. The separation rate of the testing jaws was 0.1 inch per minute.
Peel Strength Test Methods
Peel Strength Cure Temperature Substrate Test Time Test Temperature Test Method
Excellent
26 piw 25°C Etched Al / Etched Al 10,080 min 23°C Aluminum/aluminum bonds tested per 3M Test method C-439 @ 20 inches/minute at 73°F (23°C), substrates of 1" wide x 0.020" thick and 1" wide x 0.063" thick and adhesive bond line thickness of approx. 0.017"
Shear Strength Test Methods
Shear Strength Type Cure Time Cure Temperature Cure Humidity Substrate Chemical Test Time Test Temperature Test Method
Excellent
4,200 psi Overlap Shear Strength 10,080 min 24°C 50 % Aluminum – etched 23°C Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" pieces of substrates. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before tested. The separation rate of the testing jaws was 0.1 inch per minute for metals and 2 inches per minute for plastics, Adhesive failure
4,100 psi Overlap Shear Strength 10,080 min 24°C 50 % Aluminum – abraded, 150 grit sandpaper 23°C Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" pieces of substrates. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before tested. The separation rate of the testing jaws was 0.1 inch per minute for metals and 2 inches per minute for plastics, Adhesive failure
4,350 psi Overlap Shear Strength 10,080 min 24°C 50 % Aluminum – bare 23°C Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" pieces of substrates. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before tested. The separation rate of the testing jaws was 0.1 inch per minute for metals and 2 inches per minute for plastics, Adhesive failure
3,125 psi Overlap Shear Strength 10,080 min 24°C 50 % Cold-Rolled Steel (CRS) – solvent cleaned 23°C Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" pieces of substrates. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before tested. The separation rate of the testing jaws was 0.1 inch per minute for metals and 2 inches per minute for plastics, Adhesive failure
2,600 psi Overlap Shear Strength 10,080 min 24°C 50 % Cold-Rolled Steel – slightly oily 23°C Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" pieces of substrates. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before tested. The separation rate of the testing jaws was 0.1 inch per minute for metals and 2 inches per minute for plastics, Cohesive failure
4,050 psi Overlap Shear Strength 10,080 min 24°C 50 % Stainless Steel 23°C Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" pieces of substrates. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before tested. The separation rate of the testing jaws was 0.1 inch per minute for metals and 2 inches per minute for plastics, Adhesive failure
2,775 psi Overlap Shear Strength 10,080 min 24°C 50 % Green Fiberglass Reinforced Plastic 23°C Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" pieces of substrates. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before tested. The separation rate of the testing jaws was 0.1 inch per minute for metals and 2 inches per minute for plastics, Adhesive failure
1,025 psi Overlap Shear Strength 10,080 min 24°C 50 % Acrylic 23°C Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" pieces of substrates. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before tested. The separation rate of the testing jaws was 0.1 inch per minute for metals and 2 inches per minute for plastics, Substrate failure
1,300 psi Overlap Shear Strength 10,080 min 24°C 50 % Polyvinylchloride (PVC) 23°C Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" pieces of substrates. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before tested. The separation rate of the testing jaws was 0.1 inch per minute for metals and 2 inches per minute for plastics, Substrate failure
950 psi Overlap Shear Strength 10,080 min 24°C 50 % Polycarbonate (PC) 23°C Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" pieces of substrates. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before tested. The separation rate of the testing jaws was 0.1 inch per minute for metals and 2 inches per minute for plastics, Substrate failure
1,000 psi Overlap Shear Strength 10,080 min 24°C 50 % Acrylonitrile Butadiene Styrene (ABS) 23°C Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" pieces of substrates. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before tested. The separation rate of the testing jaws was 0.1 inch per minute for metals and 2 inches per minute for plastics, Substrate failure
4,725 psi Overlap Shear Strength 10,080 min 50 % Etched Aluminum Control (no immersion) 604,800 sec Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before immersed. The separation rate of the testing jaws was 0.1 inch per minute
3,150 psi Overlap Shear Strength 66°C 50 % Etched Aluminum 604,800 sec Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before immersed. The separation rate of the testing jaws was 0.1 inch per minute
2,250 psi Overlap Shear Strength 66°C 50 % Etched Aluminum Tap water 604,800 sec Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before immersed. The separation rate of the testing jaws was 0.1 inch per minute
4,125 psi Overlap Shear Strength 50 % Etched Aluminum 20% Bleach solution 604,800 sec Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before immersed. The separation rate of the testing jaws was 0.1 inch per minute
4,100 psi Overlap Shear Strength 50 % Etched Aluminum IPA (isopropyl alcohol) 604,800 sec Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before immersed. The separation rate of the testing jaws was 0.1 inch per minute
2,600 psi Overlap Shear Strength 50 % Etched Aluminum Unleaded gasoline 604,800 sec Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before immersed. The separation rate of the testing jaws was 0.1 inch per minute
5,000 psi Overlap Shear Strength 50 % Etched Aluminum Diesel fuel 604,800 sec Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before immersed. The separation rate of the testing jaws was 0.1 inch per minute
5,150 psi Overlap Shear Strength 50 % Etched Aluminum 50% Antifreeze 604,800 sec Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before immersed. The separation rate of the testing jaws was 0.1 inch per minute
875 psi Overlap Shear Strength 50 % Etched Aluminum Toluene 604,800 sec Overlap Shear (ASTM D-1002-64, 3M Test Method C-236) strength was measured on 1" wide x 1/2" overlap specimen. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73°F (23°C) except when noted, and samples were allowed to cure at 75°F (24°C) and approximately 50% RH for 1 week before immersed. The separation rate of the testing jaws was 0.1 inch per minute
2,000 psi Overlap Shear Strength 10,080 min 23°C 50 % Etched Aluminum MEK (methyl ethyl ketone) -55°C Overlap Shear (ASTM D1002-64, 3M Test Method C-236) strength was measured on 1 in. wide x 1/2 in. overlap specimens. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". Bonds were allowed to cured for 7 days @ 73°F (23°C) and approximately 50% RH before tested. The separation rate of the testing jaws was 0.1 inch per minute.
4,275 psi Overlap Shear Strength 10,080 min 23°C 50 % Etched Aluminum Acetone 24°C Overlap Shear (ASTM D1002-64, 3M Test Method C-236) strength was measured on 1 in. wide x 1/2 in. overlap specimens. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". Bonds were allowed to cured for 7 days @ 73°F (23°C) and approximately 50% RH before tested. The separation rate of the testing jaws was 0.1 inch per minute.
2,600 psi Overlap Shear Strength 10,080 min 23°C 50 % Etched Aluminum 49°C Overlap Shear (ASTM D1002-64, 3M Test Method C-236) strength was measured on 1 in. wide x 1/2 in. overlap specimens. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". Bonds were allowed to cured for 7 days @ 73°F (23°C) and approximately 50% RH before tested. The separation rate of the testing jaws was 0.1 inch per minute.
825 psi Overlap Shear Strength 10,080 min 23°C 50 % Etched Aluminum 82°C Overlap Shear (ASTM D1002-64, 3M Test Method C-236) strength was measured on 1 in. wide x 1/2 in. overlap specimens. These bonds were made individually using 1" x 4" coupons. The thickness of the adhesive bond line was approximately 0.005". Bonds were allowed to cured for 7 days @ 73°F (23°C) and approximately 50% RH before tested. The separation rate of the testing jaws was 0.1 inch per minute.
Shore D Hardness Test Methods
Shore D Hardness Shore Hardness Test Method
70 ASTM D2240. Specimen were cured for a minimum of 24 hours @ 73°F (23°C) before tested