3M DP825 Scotch-Weld Acrylic Adhesive

3M DP825 Scotch-Weld Acrylic Adhesive Datasheet
  • Description for 3M DP825 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

    Application Type Bond
    1 Part or 2 Part 2 Part
    Material Form Liquid
    Substrate Aluminum etched, Ceramics, Green Fiberglass Reinforced Plastic, Glass, Many metals, Most plastics, Rubber, Cold-Rolled Steel, Wood, Stainless Steel, Aluminum abraded, Cold-Rolled Steel – slightly oily, Aluminum bare, Cold-Rolled Steel (CRS) – solvent cleaned
    Manufacturer 3M
    Chemistry Acrylic
    Cure Method 2-Part Cure
    Cure Temperature (°C) 23
    Cure Time (min) 240 to 1,440
    Viscosity (cPs) Non-sag
    Color Pale yellow
    Chemical Resistance Tap water, Bleach solution, IPA (isopropyl alcohol), Unleaded gasoline, Diesel fuel, Antifreeze, Toluene, MEK (methyl ethyl ketone), Acetone
    High Temperature Resistance (°C) 24, 49, 82
    Low Temperature Resistance (°C) -55
  • Technical Data

    Overview
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    Specifications
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  • Best Practices

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Fixture or Handling Strength Time Test Methods
Fixture or Handling Strength Time Fixture-Handling Strength Test Method
25 to 35 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 23°C
Work / Pot Time Test Methods
Work / Pot Time Test Method Temperature
25 min
24 to 26 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
30 psi 24°C Etched Aluminum 15 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.
1,915 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.
3,800 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.
4,305 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.
4,300 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.
4,515 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 Substrate Test Time Test Temperature Test Method
Excellent
28 piw 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
3,850 psi Overlap Shear Strength 10,080 min 23°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
3,925 psi Overlap Shear Strength 10,080 min 23°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, Cohesive failure
4,100 psi Overlap Shear Strength 10,080 min 23°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
3,025 psi Overlap Shear Strength 10,080 min 23°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 failureOverlap 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
2,600 psi Overlap Shear Strength 10,080 min 23°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, Adhesive failure
3,875 psi Overlap Shear Strength 10,080 min 23°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
2,625 psi Overlap Shear Strength 10,080 min 23°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, Substrate failure
950 psi Overlap Shear Strength 10,080 min 23°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
1,400 psi Overlap Shear Strength 10,080 min 23°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
1,025 psi Overlap Shear Strength 10,080 min 23°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
1,050 psi Overlap Shear Strength 10,080 min 23°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" 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
4,800 psi Overlap Shear Strength 10,080 min 20 to 25°C Room Temperature 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
6,800 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
2,175 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
4,850 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
3,825 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
2,525 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
4,400 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
4,650 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
800 psi Overlap Shear Strength 50 % Etched Aluminum Toluene 604,800 sec 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.
2,675 psi Overlap Shear Strength 10,080 min -55°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.
4,475 psi Overlap Shear Strength 10,080 min 24°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.
2,625 psi Overlap Shear Strength 10,080 min 49°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.
1,000 psi Overlap Shear Strength 10,080 min 82°C 50 % Etched Aluminum 82°C
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