DP100 PLUS

ASK A 3M EXPERT September, 2016 3M™ Scotch-Weld™ Epoxy Adhesive DP100 Plus Clear Product Description 3M™ Scotch-Weld™ Epoxy Adhesive DP100 Plus Clear is a fast setting, two-part, 1:1 mix ratio mercaptancured epoxy adhesive. It is unique among fast setting mercaptan cure epoxies in that it combines high shear strength with good peel performance properties. Scotch-Weld epoxy adhesive DP100 Plus Clear is transparent and slightly exible when cured. Available in bulk containers as 3M™ Scotch-Weld™ Epoxy Adhesive DP100 Plus B/A Clear. Product Features • 4 minute worklife • High shear and peel strength • Slightly exible • 1:1 mix ratio • Recognized as meeting UL 94 HB 3M™ Scotch-Weld™ Epoxy Adhesive DP100 Plus Clear Technical Information Note The following technical information and data should be considered representative or typical only and should not be used for speci cation purposes. Typical Uncured Physical Properties Property Values Method Test Condition Notes Base Color Clear Accelerator Color Clear Base Viscosity 4000 to 11000 cP 3M C1d 80°F(27°C) Procedure involves Brook eld RVF, #7 spindle, 20 rpm. Measurement taken after 1 minute rotation. Accelerator Viscosity 7000 to 13000 cP 3M C1d 80°F(27°C) Procedure involves Brook eld RVF, #7 spindle, 20 rpm. Measurement taken after 1 minute rotation. Base Resin Epoxy Accelerator Resin Mercaptan Base Net Weight 9.7 to 9.9 lb/gal Accelerator Net Weight 9.4 to 9.8 lb/gal Mix Ratio by Volume (B:A) 1:1 Mix Ratio by Weight (B:A) 1:1 Typical Performance Characteristics Additional Test notes The following product performance data was obtained in the 3M laboratory under the conditions speci ed. The following data show typical results obtained with 3M™ Scotch-Weld™ Epoxy Adhesive DP100 Plus Clear when applied to properly prepared substrates, cured, and tested according to the speci cations indicated. This data was generated using the 3M™ EPX™ Applicator System equipped with an EPX static mixer, according to manufacturer’s directions. Thorough hand mixing should a ord comparable results. Elongation: 75 % Conditions Dwell/Cure Time: 2 hr Room Temperature, plus 2 hr @ 160°F(71°C) Methods ASTM D882 Additional Information notes: Samples were 2 in. dumbbells with .0125 in. neck and .030 in. sample thickness. Separation rate was 2 inches per minute. 3M™ Scotch-Weld™ Epoxy Adhesive DP100 Plus Clear Typical Performance Characteristics (continued) Overlap Shear Strength Substrate 3500 lb/in² Etched Aluminum 1800 lb/in² Sanded Aluminum (60 grit) 1700 lb/in² Cold Rolled Steel 700 lb/in² Wood - Fir 250 lb/in² Glass 300 lb/in² Glass with 3M™ Scotch-Weld™ Primer EC3901 600 lb/in² Polycarbonate (PC) 300 lb/in² Acrylic (PMMA) 1500 lb/in² Fiberglass Reinforced Plastic 280 lb/in² ABS 450 lb/in² Polyvinyl chloride (PVC) 80 lb/in² Polypropylene (PP) Property: Overlap Shear Strength Method: ASTM D1002 Dwell/Cure Time: 24 hr @ Room Temperature + 2 hr @ 160°F(71°C) Test Condition : Room Temperature Substrate Notes: 0.005-0.008in bondline notes: Overlap shear (OLS) 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 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.; rubber, 0.125 in.; plastics, 0.125 in. Environmental Resistance (OLS) Dwell/Cure Time 3500 lb/in² 24 hr @ Room Temperature + 2 hr @ 160°F(71°C) 4500 lb/in² 24 hr @ Room Temperature + 2 hr @ 240°F(116°C) 3900 lb/in² 1 wk Room Temperature + 1 wk @ 90°F(32°C)/90% RH 4500 lb/in² 1 wk Room Temperature + 1 wk 248°F(120°C) 3500 lb/in² 1 wk Room Temperature + 1 wk H2O immersion Property: Environmental Resistance (OLS) Method: ASTM D1002 Test Condition : Room Temperature Substrate: Etched Aluminum Substrate Notes: 0.005-0.008in bondline notes: Overlap shear (OLS) 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 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.; rubber, 0.125 in.; plastics, 0.125 in. 3M™ Scotch-Weld™ Epoxy Adhesive DP100 Plus Clear Typical Performance Characteristics (continued) Overlap Shear Strength (at Temperature) Test Condition 3000 lb/in² -67°F(-55°C) 3500 lb/in² Room Temperature 750 lb/in² 120°F(49°C) 400 lb/in² 150°F(66°C) 200 lb/in² 180°F(82°C) Property: Overlap Shear Strength (at Temperature) Method: ASTM D1002 Dwell/Cure Time: 24 hr @ Room Temperature + 2 hr @ 160°F(71°C) Substrate: Etched Aluminum Substrate Notes: 0.005-0.008in bondline notes: Overlap shear (OLS) 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 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.; rubber, 0.125 in.; plastics, 0.125 in. T-Peel Adhesion Test Condition 2 lb/in width -67°F(-55°C) 13 lb/in width Room Temperature 15 lb/in width 120°F(49°C) 2 lb/in width 150°F(66°C) 1 lb/in width 180°F(82°C) Property: T-Peel Adhesion Method: ASTM D1876 Dwell/Cure Time: 24 hr @ Room Temperature + 2 hr @ 160°F(71°C) Substrate: Etched Aluminum Substrate Notes: 0.005-0.008in bondline notes: T-peel strengths were measured on 1 in. wide bonds at 73°F (23°C). The testing jaw separation rate was 20 inches per minute. The substrates were 0.020 in. thick. Solvent Resistance Environmental Condition A Immersed in Acetone one hour A Immersed in Acetone one month A Immersed in Isopropyl Alcohol one hour A Immersed in Isopropyl Alcohol one month A Immersed in Freon TF one hour A Immersed in Freon TF one month A Immersed in Freon TMC one hour A Immersed in Freon TMC one month A Immersed In 1, 1, 1 - Trichloroethane one hour A Immersed In 1, 1, 1 - Trichloroethane one month A Immersed in RMA Flux one hour Table continued on next page 3M™ Scotch-Weld™ Epoxy Adhesive DP100 Plus Clear Typical Performance Characteristics (continued) Solvent Resistance Environmental Condition A Immersed in RMA Flux one month Property: Solvent Resistance Dwell/Cure Time: 24 hr @ Room Temperature + 2 hr @ 160°F(71°C) notes: Solvent resistance was determined using cured samples (1/2 in. x 4 in. x 1/8 in. thickness) immersed n the test solvent for 1 hour and 1 month. After the allotted period of time, the sample was removed and visually examined for surface attack as compared to the control. Key: A - Una ected - no change to color or surface texture. B - Slight attack - noticeable swelling of surface. C - Moderate/severe attack - extreme swelling of surface. Typical Mixed Physical Properties Property Values Test Condition Notes Exotherm max temp 128 °F 2g mass Exotherm determined using the stated mass mixed for 1 minute and then by electronic thermocouple measuring the peak temperature and time to that temperature. Exotherm time to reach max temp 6 min 2g mass Exotherm determined using the stated mass mixed for 1 minute and then by electronic thermocouple measuring the peak temperature and time to that temperature. Exotherm max temp 260 °F 20g mass Exotherm determined using the stated mass mixed for 1 minute and then by electronic thermocouple measuring the peak temperature and time to that temperature. Exotherm time to reach max temp 3 min 20g mass Exotherm determined using the stated mass mixed for 1 minute and then by electronic thermocouple measuring the peak temperature and time to that temperature. Worklife 3 to 4 min Room Temperature Procedure involves periodically measuring a 2 gram mixed mass for self leveling and wetting properties. This time will also approximate the usable worklife in an 3M™ EPX™ Applicator mixing nozzle. Table continued on next page Method 3M C3180 Substrate 3M™ Scotch-Weld™ Epoxy Adhesive DP100 Plus Clear Typical Mixed Physical Properties (continued) Property Values Test Condition Notes Method Worklife, 2g mixed 4 min Room Temperature Procedure involves periodically measuring a 2 gram mixed mass for self leveling and wetting properties. This time will also approximate the usable worklife in an 3M™ EPX™ Applicator mixing nozzle. 3M C3180 Worklife, 20g mixed 3 min Room Temperature Procedure involves periodically measuring a 2 gram mixed mass for self leveling and wetting properties. This time will also approximate the usable worklife in an 3M™ EPX™ Applicator mixing nozzle. 3M C3180 Tack Free Time 9 to 10 min Involves dispensing 0.5 gram amount of adhesive onto substrate and testing periodically for no adhesive transfer to metal spatula. 3M C3173 Time to Handling Strength 20 min Room Temperature Time to handling strength taken to be that required to achieve a 50 psi overlap shear (OLS) strength using aluminum substrates. 3M C3179 Time to Full Cure 48 h Room Temperature The cure time is de ned as that time required for the adhesive to achieve a minimum of 80% of the ultimate strength as measured by aluminumaluminum OLS. Rate of Strength Buildup (OLS) Substrate Aluminum Dwell/Cure Time 600 lb/in² 60 min 900 lb/in² 6 hr 1100 lb/in² 24 hr 2800 lb/in² 7 days 3400 lb/in² 1 month Property: Rate of Strength Buildup (OLS) Method: ASTM D1002 Test Condition : Room Temperature Substrate: Etched Aluminum Substrate Notes: 0.005-0.008in bondline notes: Overlap shear (OLS) 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 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.; rubber, 0.125 in.; plastics, 0.125 in. 3M™ Scotch-Weld™ Epoxy Adhesive DP100 Plus Clear Typical Cured Characteristics Property Values Method Dwell/Cure Time Notes Tensile Strength 1850 lb/in² ASTM D882 2 hr Room Temperature, plus 2 hr @ 160°F(71°C) Samples were 2" dumbbells with .0125" neck and .030" sample thickness. Separation rate was 2 inches per minute. Color Clear Shore D Hardness 65 to 70 ASTM D2240 Weight Loss by Thermal Gravimetric Analysis (TGA) 1% ASTM E1131 Weight loss by Thermal Gravimetric Analysis reported as that temperature at which 5% weight loss occurs by TGA in air at 5°C (41°F) rise per minute. 241°F(116°C) Weight Loss by Thermal Gravimetric Analysis (TGA) 5% ASTM E1131 Weight loss by Thermal Gravimetric Analysis reported as that temperature at which 5% weight loss occurs by TGA in air at 5°C (41°F) rise per minute. 604°F(318°C) Thermal Shock Resistance Pass 5 cycles without cracking 3M C3174 Involves potting a metal washer into a 2 in. x 0.5 in. thick section and cycling this test specimen to colder and colder temperatures. Potted Washer Olyphant Test, 100°C [air] to -50°C [liquid] Cured Room Temperature 3M™ EPX™ Pneumatic Applicator Delivery Rates Pneumatic Applicator Delivery Rates Test Condition Test Condition 54 g/min 400 ml Applicator – Maximum Pressure 73 psi. 6mm Nozzle 206.5 g/min 400 ml Applicator – Maximum Pressure 73 psi. 10mm Nozzle 45.7 g/min 200 ml Applicator – Maximum Pressure 58 psi. 6mm Nozzle 179 g/min 200 ml Applicator – Maximum Pressure 58 psi. 10mm Nozzle 60 g/min 48.5/50 ml Applicator – Maximum Pressure 50 psi. 1/4 in. Nozzle Property: Pneumatic Applicator Delivery Rates notes: Tests were run at a temperature of 70°F ± 2°F (21°C ± 1°C) and at maximum applicator pressure. 3M™ Scotch-Weld™ Epoxy Adhesive DP100 Plus Clear Electrical and Thermal Properties Glass Transition Temperature (Tg) Test Condition 23 °C 73 °F Onset 29 °C 84 °F Mid-Point Property: Glass Transition Temperature (Tg) notes: Glass Transition Temperature (Tg) determined using DSC Analyzer with a heating rate of 68°F (20°C) per minute. Second heat values given. Thermal Conductivity .32 x10^-3 Cal/s/cm/°C 13.3 W/m/K 0.077 (btu-ft)/(h-ft²-°F) Property: Thermal Conductivity Method: C177 Test Condition : 110°F on .25 inch samples notes: Thermal conductivity determined using C-matic Instrument using 2 in. diameter samples. Property Values Method Test Condition Notes Dielectric Constant 6.6 ASTM D150 1 KHz, Room Temperature Dissipation Factor 0.06 ASTM D150 1 KHz, Room Temperature Dielectric Strength 710 V/mil ASTM D149 Volume Resistivity 6.7 × 10^11 Ω-cm ASTM D257 Coe cient of Thermal Expansion 93 × 10^-6 m/m/°C 5-20°C range TCE determined using TMA Analyzer using a heating rate of 10°C per minute. Second heat values given. Coe cient of Thermal Expansion 182 × 10^-6 m/m/°C 40-140°C range TCE determined using TMA Analyzer using a heating rate of 10°C per minute. Second heat values given. Sample Thickness Approx. 30 mil. Room Temperature Handling/Application Information Application Equipment For small or intermittent applications, the 3M™ EPX™ Applicator is a convenient method of application. For larger applications, these products may be applied by use of ow equipment. Two-part meter/mixing/dispensing equipment is available for intermittent or production line use. These systems may be desirable because of their variable shot size and ow rate characteristics and are adaptable to many applications. 3M™ Scotch-Weld™ Epoxy Adhesive DP100 Plus Clear Handling/Application Information (continued) Directions for Use 1. For high strength structural bonds, paint, oxide lms, oils, dust, mold release agents and all other surface contaminants must be completely removed. However, the amount of surface preparation depends on the required bond strength and the environmental aging resistance desired by user. For speci c surface preparations on common substrates, see the section on surface preparation. 2. Use gloves to minimize skin contact. Do not use solvents for cleaning hands. 3. Mixing For Duo-Pak Cartridges 3M™ Scotch-Weld™ Epoxy Adhesive DP100 Plus Clear is 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 ensure both sides of the duo-pak cartridge are owing evenly and freely. If automatic mixing of Part A and Part B is desired, attach the EPX applicator 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 uniform color is obtained. For Bulk Containers Mix thoroughly by weight or volume in the proportions speci ed in the typical uncured properties section. Mix approximately 15 seconds after uniform color is obtained. 4. For maximum bond strength, apply adhesive evenly to both surfaces to be joined. 5. Application to the substrates should be made within 3 minutes. Larger quantities and/or higher temperatures will reduce this working time. 6. Join the adhesive coated surfaces and allow to cure at 60°F (16°C) or above until completely rm. Heat up to 200°F (93°C), in order to speed curing. These products will cure in 48 hours @ 75°F (24°C). 7. Keep parts from moving during cure. Contact pressure necessary. Maximum shear strength is obtained with a 3-5 mil bond line. 8. Excess uncured adhesive can be cleaned up with methyl ethyl ketone (MEK).* Adhesive Coverage: A 0.005 in thick bond line will yield a coverage of 320 sqft/gallon. *Note: When using solvents, extinguish all ignition sources, including pilot lights, and follow manufacturer’s precautions and directions for use. Surface Preparation For high strength structural bonds, paint, oxide lms, oils, dust, mold release agents and all other surface contaminants must be completely removed. However, the amount of surface preparation directly depends on the required bond strength and the environmental aging resistance desired by user. The following cleaning methods are suggested for common surfaces: Steel: 1. Wipe free of dust with oil-free solvent such as acetone, isopropyl or alcohol solvents.* 2. Sandblast or abrade using clean ne grit abrasives. 3. Wipe again with solvent to remove loose particles. 4. If a primer is used, it should be applied within 4 hours after surface preparation. Aluminum: 1. 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. 2. 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 to balance 3. Rinse: Rinse panels in clear running tap water. 4. Dry: Air dry 15 minutes; force dry 10 minutes at 190°F ± 10°F (88°C ± 5°C). 5. If primer is to be used, it should be applied within 4 hours after surface preparation. Note: Read and follow component supplier’s environmental health and safety information prior to preparing this etch solution. Plastics/Rubber: 1. Wipe with isopropyl alcohol.* 2. Abrade using ne grit abrasives. 3. Wipe with isopropyl alcohol.* Glass: 1. Solvent wipe surface using acetone or MEK.* *Note: When using solvents, extinguish all ignition sources, including pilot lights, and follow manufacturer’s precautions and directions for use. 3M™ Scotch-Weld™ Epoxy Adhesive DP100 Plus Clear Storage and Shelf Life Store 3M™ Scotch-Weld™ Epoxy Adhesive DP100 Plus Clear at 60-80°F (15-27°C) for maximum shelf life. These epoxy adhesive products have a shelf life of 24 months in their unopened containers. Product shelf life is based on date of manufacture. Industry Speci cations UL 94 HB Trademarks 3M and Scotch-Weld are trademarks of 3M Company. References 1. 3m.com Product Page Url: http://www.3m.com/3M/en_US/company-us/all-3m-products/~/3M-Scotch-Weld-Epoxy-Adhesive-DP100-Plus?N=5002385+3293242166&rt=rud 2. Safety Data Sheet Url: https://www.3m.com/3M/en_US/company-us/SDS-search/results/?gsaAction=msdsSRA&msdsLocale=en_US&co=ptn&q=DP100 Plus Clear ISO Statement This Industrial Adhesives and Tapes Division product was manufactured under a 3M quality system registered to ISO 9001 standards. Precautionary Information Refer to Product Label and Material Safety Data Sheet for health and safety information before using this product. For additional health and safety information, call 1800-364-3577 or (651) 737-6501. 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