TM Scotch-Weld Epoxy Adhesive DP405 Black Technical Data February, 2015 Product Description 3MTM Scotch-WeldTM Epoxy Adhesive DP405 Black is a two-part, 2:1 mix ratio, toughened epoxy structural adhesive which has a 5 minute work life and accelerated cure. It exhibits excellent shear and peel strengths along with good impact resistance and durability. It bonds extremely well to many metal and composite surfaces. It also has lower odor when compared to traditional fast cure epoxies and acrylic adhesives. Features Typical Uncured Physical Properties * Excellent shear and peel strengths * Easy mixing * 5-minute work life * Low odor Note: The following technical information and data should be considered representative or typical only and should not be used for specification purposes. 3MTM Scotch-WeldTM Epoxy Adhesive DP405 Black Product Color Base (B) Accelerator (A) Black Clear Net Weight (lbs./gallon) Base (B) Accelerator (A) Approx. 10 Approx. 9.2 Viscosity 1 @ 73F (23C) Base (B) Accelerator (A) 11,000 cps 6,500 cps Base Resin Epoxy Mix Ratio (B:A) By volume By weight Work Life 2 @ 73F (23C) Applied Open Time Nozzle mixed 3 Time to Handling Strength 4 1Brookfield 2:1 2.1 : 1 4 minutes 3 minutes 8 - 10 minutes RVF Viscometer, #7 spindle at 20 rpm. 2Approximate time during which material can remain in a mixer nozzle and still be expelled without undue force on the applicator. 3Approximate time after application of adhesive that bonds can be made without adversely affecting wetting out of adhesive and ultimate performance levels. 4Time to achieve approximate 50 psi Overlap Shear Strength (OLS) when cured at (73F) 23C. TM Scotch-WeldTM Epoxy Adhesive DP405 Black Typical Adhesive Performance Characteristics Note: The following technical information and data should be considered representative or typical only and should not be used for specification purposes. 3MTM Scotch-WeldTM Epoxy Adhesive DP405 Product Physical Color Black Shore D Hardness 75-80 Electrical Dielectric Strength (ASTM D 149) 764 volts/mil Volume Resistivity (ASTM D 257) 4.4 x 1015 ohm-cm Dielectric Constant (ASTM D 150) 4.1@ 1 KHz @ 23C (73F) Dissipation Factor (ASTM D 150) 0.016 @ 1 KHz @ 23C (73F) Aluminum, Overlap Shear, at Temperature (PSI) (ASTM D1002) 3MTM Scotch-WeldTM Epoxy Adhesive DP405 Temperature -67F (-55C) 4500 73F (23C) 4500 180F (82C) (15 min.)1 630 180F (82C) (30 min.)1 750 180F (82C) (1 hr.)1 940 180F (82C) (4 hrs.) 1 900 250F (121C) (15 min.)1 400 1Represents time in test chamber oven before test. -2- TM Scotch-WeldTM Epoxy Adhesive DP405 Black Typical Adhesive Performance Characteristics (Continued) Metals, Overlap Shear, Tested @ 73F (23C) (PSI) (ASTM D1002) Product 3MTM Scotch-WeldTM Epoxy Adhesive DP405 Aluminum MEK/abrade/MEK 1 2580 Cold Rolled Steel MEK/abrade/MEK 1 2260 Galvanized Steel MEK/abrade/MEK 1 2050 Stainless Steel MEK/abrade/MEK 1 2860 Copper MEK/abrade/MEK 1 2300 Brass MEK/abrade/MEK 1 2830 1MEK wipe/Abrade/MEK wipe: See Surface Preparation Section E for additional information. Aluminum, Floating Roller Peel, at Temperature (PIW) (ASTM D3167) 3MTM Scotch-WeldTM Epoxy Adhesive DP405 Temperature -67F (-55C) 18 73F (23C) 40 180F (82C) 8 -3- TM Scotch-WeldTM Epoxy Adhesive DP405 Black Typical Adhesive Performance Characteristics (continued) Note: The following technical information and data should be considered representative or typical only and should not be used for specification purposes. Other Substrates, Overlap Shear Tested @ 73F (23C) (ASTM D1002) 3MTM Scotch-WeldTM Epoxy Adhesive DP405 Substrate ABS 300 PVC 370 Polycarbonate 360 Epoxy FRP 2070 Phenolic 1200 Environmental Resistance, Aluminum (Etched), Measured by Overlap Shear Tested @ 73F (23C) (PSI) (ASTM D1002) 3MTM Scotch-WeldTM Epoxy Adhesive DP405 Environment Condition Room Temperature 73F (23C)/50% RH, 30 days 4790 Water Vapor 150F% 80% RH, 30 days 4420 Water Soak 73F, 30 days 3820 80C (176F) 30 days 5400 Salt Spray 38C/5% NaCl, 14 days 3900 IPA 73F (23C), 30 days immersion 4830 Methyl Ethyl Ketone 73F (23C), 30 days immersion 4610 Gasoline 73F (23C), 30 days immersion 4540 Diesel Fuel 73F (23C), 30 days immersion 5030 50% Antifreeze 73F (23C), 30 days immersion 4840 Motor Oil 73F (23C), 30 days immersion 4990 Thermal cycle (-30C/23C/100%RH/70C), 30 days 5340 -4- TM Scotch-WeldTM Epoxy Adhesive DP405 Black Typical Curing Characteristics Note: The following technical information and data should be considered representative or typical only and should not be used for specification purposes. Rate of Strength Build-Up Aluminum, Overlap Shear (5 mil bondline) (ASTM D1002) Bonds Tested at 73F 23C) Cure Temperature Time in Oven 73F (23C) 120F1 (49C) 140F1 (60C) 15 minutes 43 970 4380 30 minutes 110 3090 5900 1 hour 240 - - 2 hours 630 - - 3 hours 1630 - - 5 hours 2220 - - 6 hours 4410 - - 24 hours 4790 - - 1This Represents the oven temperature to which the bonds were subjected for the prescribed time. The average bondline temperature during he cure time will be somewhat lower than the oven temperature. Substrates and Testing A. Overlap Shear (ASTM D1002) 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 except for Aluminum. Two panels 0.063 in. thick, 4 in. x 7y in of 2024T-3 clad aluminum were bonded and cut into 1 in. wide samples after 24 hours. The thickness of the adhesive bond line was approximately 0.005". All strengths were measured at 73F (23C) 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, 0.060 in.; other metals, 0.05-0.064 in.; rubbers, 0.125in.; plastics, 0.125 in. and samples were allowed to cure at 75F (24C) 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. B. Floating Roller Peel (Bell Peel) (ASTM D3167) Bell peel strengths were measured on 1/2 in. wide bonds at the temperatures noted. The testing jaw separation rate was 6 in. per minute. The bonds were made with 0.064 in. bonded to 0.025 in. thick adherends. C. Cure Cycle With the exception of Rate of Strength Build-Up Tests, all bonds were cured 7 days at 73F (23C) at 50% RH before testing or subjected to further conditioning or environmental aging. -5- TM Scotch-WeldTM Epoxy Adhesive DP405 Black Handling and Application Information Directions for Use 3MTM Scotch-WeldTM Epoxy Adhesive DP405 Black is supplied in dual syringe plastic duo- pak cartridges as part of the 3MTM EPXTM Applicator System. The duo-pak cartridges are supplied in 37 ml, 200 ml and 400 ml configurations. To use the EPX cartridge system simply insert the duo-pak cartridge into the EPX applicator. 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 simultaneous mixing of Part A and Part B is desired, attach the EPX mixing nozzle to the duo-pak cartridge and begin dispensing the adhesive. When mixing Part A and Part B manually the components must be mixed in the ratio indicated in the typical uncured properties section of this data sheet. Complete mixing of the two components is required to obtain optimum properties. Two-part mixing/proportioning/dispensing equipment is available for intermittent or production line use. These systems are ideal for line uses because of their variable shot size and flow rate characteristics and are adaptable to most applications. Apply adhesive to clean, dry surfaces, joint parts and secure until adhesive sets (see rate of strength build up). Surface Preparation The following surface preparations were used for substrates described in this Technical Data Sheet. A. Aluminum Etch Optimized FPL Etch - 3M (test method C-2803) 1. Alkaline degrease - Oakite 164 solution (9-11 oz./gallon water) at 190F 10F (88C 5C) for 10-20 minutes. Rinse immediately in large quantities of cold running water (3M test method C-2802). 2. Optimized FPL Etch Solution (1 liter): Material Amount Distilled Water 700 ml plus balance of liter (see below) Sodium Dichromate 28 to 67.3 grams Sulfuric Acid 287.9 to 310.0 grams Aluminum Chips 1.5 grams/liter of mixed solution To prepare 1 liter of this solution, dissolve sodium dichromate in 700 ml of distilled water. Add sulfuric acid and mix well. Add additional distilled water to fill to 1 liter. Heat mixed solution to 66 to 71C (150 to 160F). Dissolve 1.5 grams of 2024 bare aluminum chips per liter of mixed solution. Gentle agitation will help aluminum dissolve in about 24 hours. To FPL etch panels, place them in the above solution at 150 to 160F (66 to 71C) for 12 to 15 minutes. Note: Review and follow precautionary information provided by chemical suppliers prior to preparation of this etch solution. 3. Rinse immediately in large quantities of clear running tap water. -6- TM Scotch-WeldTM Epoxy Adhesive DP405 Black Surface Preparation (Continued) 4. Dry - air dry approximately 15 minutes followed by force dry at 140F (60C) maximum for 10 minutes (minimum). 5. Both surface structure and chemistry play a significant role in determining the strength and permanence of bonded structures. It is therefore advisable to bond or prime freshly primed clean surfaces as soon as possible after surface preparation in order to avoid contamination and/or mechanical damage. Please contact your 3M sales representative for primer recommendations. B. Oakite Degrease Oakite 164 solutions (9-11 oz./gallon of water) at 190F 10F (88C 5C) for 2 minutes. Rinse immediately in large quantities of cold running water. C. MEK/Abrade/MEK Wipe surface with a methyl ethyl ketone (MEK) soaked swab, abrade and wipe with a MEK soaked swab.* Allow solvent to evaporate before applying adhesive. *Note: When using solvents, extinguish all ignition sources, including pilot lights, and follow the manufacturer's precautions and directions for use. D. Isopropyl Alcohol Wipe Only Surface Preparation Wipe surface with an isopropyl alcohol soaked swab.* Allow solvent to evaporate before applying adhesive. *Note: When using solvents, extinguish all ignition sources, including pilot lights, and follow the manufacturer's precautions and directions for use. E. Isopropyl Alcohol/Abrade/Isopropyl Alcohol Surface Preparation Wipe surface with an isopropyl alcohol soaked swab, abrade using clean fine grit abrasives, and wipe with an isopropyl alcohol soaked swab.* Then allow solvent to evaporate before applying adhesive. *Note: When using solvents, extinguish all ignition sources, including pilot lights, and follow the manufacturer's precautions and directions for use. -7- TM Scotch-WeldTM Epoxy Adhesive DP405 Black Storage Store products at 60-80F (15-27C) or refrigerate for maximum shelf life. Shelf Life These products have a shelf life of 12 months in original duo-pak containers at room temperature. Technical Information The technical information, recommendations and other statements contained in this document are based upon tests or experience that 3M believes are reliable, but the accuracy or completeness of such information is not guaranteed. Product Use Many factors beyond 3M's control and uniquely within user's knowledge and control can affect the use and performance of a 3M product in a particular application. Given the variety of factors that can affect the use and performance of a 3M product, user is solely responsible for evaluating the 3M product and determining whether it is fit for a particular purpose and suitable for user's method of application. Warranty, Limited Remedy, and Disclaimer Unless an additional warranty is specifically stated on the applicable 3M product packaging or product literature, 3M warrants that each 3M product meets the applicable 3M product specification at the time 3M ships the product. 3M MAKES NO OTHER WARRANTIES OR CONDITIONS, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OR CONDITION OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR ANY IMPLIED WARRANTY OR CONDITION ARISING OUT OF A COURSE OF DEALING, CUSTOM OR USAGE OF TRADE. If the 3M product does not conform to this warranty, then the sole and exclusive remedy is, at 3M's option, replacement of the 3M product or refund of the purchase price. Limitation of Liability Except where prohibited by law, 3M will not be liable for any loss or damage arising from the 3M product, whether direct, indirect, special, incidental or consequential, regardless of the legal theory asserted, including warranty, contract, negligence or strict liability. IS O 9001: 2008 This Industrial Adhesives and Tapes Division product was manufactured under a 3M quality system registered to ISO 9001: 2008 standards. Industrial Adhesives and Tapes Division 3M Center, Building 225-3S-06 St. Paul, MN 55144-1000 800-362-3550 * 877-369-2923 (Fax) www.3M.com/structuraladhesives 3M, Scotch-Weld and EPX are trademarks of 3M Company. (c)3M 2015 -8-