DP420 Black • DP420 NS Black • DP420 Off-White • DP420 LH. Technical Data. April, 2019. Product Description. 3M™ Scotch-Weld™ Epoxy Adhesives are
9 pages
96 KB – 9 Pages
PAGE – 1 ============
– 1 – Scotch – W el d TM Ep o x y A d h es i v e D P 4 2 0 Blac k D P 4 2 0 N S Blac k D P 4 2 0 O f f – Whit e D P 4 2 0 L H T echnical Data April, 2019 P r oduct Descr i pt i on 3 M Scotch – W eld Epox y Adhesive s a re hig h perfor m ance , two – par t epoxy a dh esi v es o f ferin g outstandin g shea r an d pee l adhesion , an d ver y hig h level s of durabilit y . Featu r e s High shear strength High peel strength Outstanding environ m ental perfor m ance Easy mixing 20 m inute worklife Controlled flow (3 M Scotch – W Epoxy Adhesive DP420 NS Black) Recognized as m eeting UL 94 HB Underwriters L a bo rat o ry Horizontal Burn Fla mm ability T est (3 M Scotch – W Epoxy Adhesive DP420 O f f – W hite) Low halogen content (3 M Scotch – W Epoxy Adhesive DP420 LH) T y pica l Un cu r e d Physica l P r operties Note : Th e follo w i n g technica l infor m atio n an d dat a shoul d b e conside r e d r ep r esentative o r typica l onl y an d shoul d no t b e use d fo r specificatio n purposes. Product Scotch – W Epoxy Adhesive DP420 Black DP420 NS B l ack DP420 Off – W hite DP420 LH V i scosity (approx.) Base 20,000 – 50,000 cP 190,000 – 270,00 0 cP 20,000 – 50,000 cP 20,000 – 50,000 cP @ 73°F (23°C) Accelerator 8,000 – 14,000 cP 60,000 – 130,000 cP 8,000 – 14,000 cP 8,000 – 14,000 cP Base Resin Base Accelerator epoxy amine epoxy amine epoxy amine epoxy amine Co l or Base Accelerator black amber black amber wh it e amber wh it e amber Net W eight Base 9.3 – 9.7 9.4 – 9.8 9.3 – 9.7 9.3 – 9.7 Lbs./Gallon Accelerator 9.0 – 9.4 9.1 – 9.5 9.0 – 9.4 9.0 – 9.4 M i x Ra ti o ( B : A) V o lu m e 2:1 2:1 2:1 2:1 W eight 2:0.97 2:0.97 2:0.97 2:0.97 W orklife, 73°F (23°C) 20 g mixed 15 minutes 15 minutes 15 minutes 15 minutes 10 g mixed 20 minutes 20 minutes 20 minutes 20 minutes 5 g mixed 30 minutes 30 minutes 30 minutes 30 minutes
PAGE – 2 ============
– 2 – 3 M Scotch – W eld Ep o x y A dhesi v e DP42 0 Blac k DP42 0 N S Blac k DP42 0 O f f – Whit e DP42 0 LH T yp ic al Cu r e d P r operties Note : Th e follo w i n g technica l infor m atio n an d dat a shoul d b e conside r e d r ep r esentative o r typica l onl y an d shoul d no t b e use d fo r specificatio n purposes. The p r op ertie s of c u re d 3 M Scotch – W Epoxy Adhesive DP420 NS Black and 3 M Scotch – W Epoxy Adhesive DP420 LH are expected to be si m ilar to the properties of 3 M Scotch – W Epoxy Adhesive DP420 Black and 3 M Scotch – W Epoxy Adhesive DP420 O f f – W h ite, respectively as described by data in the follo w ing sections of this technical data sheet. A n exceptio n t o thi s i s t he concentratio n o f halogen s i n Scotch – W el d Epoxy Adhesive DP42 0 LH. S c o tc h – W el d DP42 0 L H i s a for m o f Scotch – W el d DP42 0 O f f – W h it e tha t ca n be c on si d ered w . Lo w haloge n i s define d b y th e Electrotechnical Co mm issio n (IEC ) 61249 – 2 – 2 1 s t andar d a s havin g les s tha n 90 0 pp m chlorine, 90 0 pp m bro m ine , an d les s tha n 150 0 pp m tota l chlorin e an d bro m ine. 3M Scotch – W eld Epoxy Adhesive DP42 0 L H T es t Results Halogen s (determine d b y io n chromatography) T ota l Chlorin e (pp m ) T ota l Bromin e (ppm) T ota l Halogen s (ppm) 720 <5 < 800 Product 3M Scotch - W Epox y Adhesive D P 42 0 Black 3M Scotch - W Epox y Adhesive D P 42 0 Off - W hite Physical Co l o r B l ack Opaque , o f f - white Shor e D Hardness 75 - 80 75 - 80 Thermal Coe f ficien t o f Thermal Expansio n Belo w Tg (in./in./°C ) Abov e Tg 8 0 x 10 - 6 19 4 x 10 - 6 8 5 x 10 - 6 14 7 x 10 - 6 Therma l Conductivity (btu - ft./ft. 2 - h r . - °F ) @ 45°C 0.104 0.104 Electrical Dielectri c Strengt h (AST M D 149) 88 8 volts/mil 69 0 volts/mil V olum e Resistivit y (AST M D 257) 1. 6 x 10 1 5 ohm - cm 1. 3 x 10 1 4 ohm - cm
PAGE - 3 ============
- 3 - 3 M Scotch - W eld Ep o x y A dhesi v e DP42 0 Blac k DP42 0 N S Blac k DP42 0 O f f - Whit e DP42 0 LH T y pica l Cu ring Characteristics Note : Th e follo w i n g technica l infor m atio n an d dat a shoul d b e conside r e d r ep r esentative o r typica l onl y an d shoul d no t b e use d fo r specificatio n purposes. Ra t e o f St r engt h Bu ild - Up Alu m inu m, Ov erla p Shea r ( 7 m i l Bondline ) (AST M D 1002 - 72) Bond s T este d a t 73° F (23°C) 3 Scotch - W eld Epox y Adhesiv e DP42 0 Black T i m e i n Oven Cur e T emperature 73° F (23°C) 120°F 1 (49°C) 140°F 1 (60°C) 1 5 min. NT NT 3200 30 NT 2300 NT 60 NT 4700 4700 2 h r . 300 3 800 5 3000 6 3700 24 4500 1 This represents the oven temperature to which the bonds were subjected for the prescribed time. The average bondline temperature during t h e cure time will be somewhat lower than the oven temperature. NOTE: The data in this data sheet were generated using the EPX Applicator System equipped with an EPX static mixe r , according to manufacture r s directions. Thorough hand - mixing will a f ford comparable results.
PAGE - 4 ============
- 4 - 3 M Scotch - W eld Ep o x y A dhesi v e DP42 0 Blac k DP42 0 N S Blac k DP42 0 O f f - Whit e DP42 0 LH T yp i cal Adhes i ve Perfor m a nce Characteristics Note : Th e follo w i n g technica l infor m atio n an d dat a shoul d b e conside r e d r ep r esentativ e or typ i ca l onl y an d shoul d no t b e use d fo r specificatio n purposes. Substrate s an d T esti ng A. Overla p Shea r (AST M D 1002 - 72) Overla p shea r (OLS ) strength s wer e measure d o n 1 in . wid e 1/ 2 in . overla p specimens . These bond s w er e m ad e i nd i v i dua ll y us i n g 1 i n . x 4 i n . p i ece s o f substrat e excep t fo r alu m inu m. T wo panel s 0.06 3 in . thick , 4 in . x 7 in . o f 2024 T - 3 cla d aluminu m wer e bonde d an d cu t int o 1 in. w i d e sample s afte r 2 4 hours . Th e thicknes s o f th e bondlin e wa s 0.005 - 0.00 8 in . Al l strengths w er e m easure d a t 73° F (23°C ) excep t wher e noted. T h e separatio n rat e o f th e testin g ja ws w a s 0. 1 in . pe r m i nut e fo r m etals , 2 in . pe r m i nut e for p l as ti c s an d 2 0 in . pe r minut e fo r rubbers . Th e thicknes s o f th e substrate s were : steel , 0.06 0 in.; o t he r metals , 0.05 - 0.06 4 in. ; rubbers , 0.12 5 in. ; plastics , 0.12 5 in. B. T - pee l (AST M D 1876 - 61T) T - pee l strength s wer e measure d o n 1 in . wid e bond s a t 73° F (23°C) . Th e testin g ja w separation ra te wa s 2 0 inche s pe r minute . Th e substrate s wer e 0.03 2 in . thick. C. Bel l Pee l (AST M D 3167) Bel l pee l strength s wer e measure d o n 1/ 2 in . wid e bond s a t th e temperature s noted . Th e testing ja w separatio n rat e wa s 6 in . pe r minute . Th e bond s ar e mad e wit h 0.06 4 in . bonde d t o 0.02 5 in. t h i c k adherends. D. Cu r e Cyc l e W it h th e exceptio n o f Rat e o f Strengt h Build - U p T ests , al l bonds , wer e cure d 7 day s a t 73°F (23° C ) a t 50 % R H befor e testin g o r subjecte d t o furthe r conditionin g o r environmenta l aging. Aluminum , Overla p Shea r , a t T emperatu r e (PSI) 1 Represent s tim e i n tes t chambe r ove n befor e test. M etals , Overla p Shea r , T este d @ 73° F (23°C ) (PSI) Scotch - Weld Epoxy Adhesive DP420 Black Scotch - Weld Epoxy Adhesive DP420 Off - White - Adhesive DP420NS Black Aluminum - Etched 4500 4500 4500 Oakite degrease 4000 3500 NT MEK/abrade/MEK 2500 3500 3500 Cold Rolled Steel - Oakite degrease 4000 NT MEK/abrade/MEK 2200 2700 2500 Copper - MEK/abrade/MEK 5000 4000 3000 Brass - MEK/abrade/MEK 2800 4100 3500 Stainless Steel - MEK/abrade/MEK 1800 1700 3900 Galvanized Steel - Hot dipped 2900 2000 NT Electrodeposited 3000 2100 NT - Epoxy Adhesive DP420 Black - Epoxy Adhesive DP420 Off - White - Epoxy Adhesive DP420NS Black - 67° F ( - 55°C) 4500 4500 4500 4500 73° F (23°C) 4500 4500 4500 180° F (82°C ) (1 5 min. ) 1 1260 450 860 1400 1600 21 (3 0 min. ) 1 2250 700 1400 (6 0 min. ) 1 2980 750 1600 (4 h r . ) 1 2690 2500 2100 250° F (121°C ) (1 5 min.) 1 570 200 350
PAGE - 5 ============
- 5 - 3 M Scotch - W eld Ep o x y A dhesi v e DP42 0 Blac k DP42 0 N S Blac k DP42 0 O f f - Whit e DP42 0 LH NT: Not tested T yp i cal Adhes i ve Perfor m a nce Characteristics (continued) Note : Th e follo w i n g technica l infor m atio n an d dat a shoul d b e conside r e d r ep r esentative o r typica l onl y an d shoul d no t b e use d fo r specificatio n purposes. Substrate s an d T esti ng (continued) A l um i num, T - Peel (PI W ), at T e mperatu r e 3M Scotch - W Epox y Adhesive DP42 0 Black 3M Scotch - W Epox y Adhesive DP42 0 Off - W hite - 67° F ( - 55°C) 9.3 5 - 10 73° F (23°C) 50 50 180° F (82°C) 20 3 - 5 M etals , T - Peel , T este d @ 73° F (23°C ) (PI W ) Scotch - W eld Epox y Adhesive DP42 0 Black Scotch - W eld Epox y Adhesive DP42 0 Off - W hite Aluminum , etche d 17 - 2 0 mi l bondline 60 50 5 - 8 mi l bondline 50 40 Col d Rolle d Stee l 17 - 2 0 mi l bondline 40 40 Oakit e degreased MEK/abrade/MEK 25 25 A l um i num, Be l l Peel (PI W ), at T e mperatu r e Scotch - Weld Epoxy Adhesive DP420 Black Scotch - Weld Epoxy Adhesive DP420 Off - White - Epoxy Adhesive DP420NS Black - 67°F ( - 55°C) 73°F (23°C) 180°F (82°C) 20 82 18 not tested Not tested 58 Not tested Other Substrates, Over l ap Shear T este d @ 73° F (23°C ) (PSI) Substrate Surf. Prep. 11 3M Scotch - Wel d 3M Scotch - Weld Epoxy Adhesive Epoxy Adhesive DP420 Black DP420 Off - White Surf. Prep. 22 3M Scotch - Wel d 3M Scotch - Weld Epoxy Adhesive Epoxy Adhesive DP420 Black DP420 Off White 3M Scotch - Weld Epoxy Adhesive DP420NS Black ABS 450 320 550 500 870 PVC 4003 220 3603 300 NT Polycarbonate 440 400 450 550 470 Polyacrylic 190 230 450 280 NT Polystryene 380 350 580 380 NT FRP 600 350 1100 3 1300 3 3700 Phenolic 1400 3 1400 3 1300 3 1400 3 1170 SBR/Steel Neoprene/Steel 70 150 3 180 3 150 3 NT 80 40 100 80 NT 1Isopropyl Alcohol Wipe. See Surface Preparation Section D for additional information. 2Isopropyl Alcohol/Abrade/Isopropyl Alcohol: See Surface Preparation Section E for additional information. 3Substrate failure.
PAGE - 6 ============
- 6 - 3 M Scotch - W eld Ep o x y A dhesi v e DP42 0 Blac k DP42 0 N S Blac k DP42 0 O f f - Whit e DP42 0 LH Adhesive* 6m m Nozz le gms/minute 10m m Nozzle gms/minute 3M Scotch - W eld Epox y Adhesive 29.6 1 13 DP42 0 Black 3M Scotch - W eld Epox y Adhesive 31.1 132 DP42 0 O f f - W hite T yp i cal Adhes i ve Perfor m a nce Characteristics (continued) Note : Th e follo w i n g technica l infor m atio n an d dat a shoul d b e conside r e d r ep r esentative o r typica l onl y an d shoul d no t b e use d fo r specificatio n purposes. Substrate s an d T esti ng (continued) Env i r o n m enta l R esistance A l um i num (Etched) M easu r e d b y Ov erla p Shea r T este d @ 73° F (23°C ) (PSI ) 1 (ASTM D 1002 - 72) Environment Condition Scotch - W Epoxy Adhesive DP420 Black Scotch - W Epoxy Adhesive DP420 Off - White Scotch - W Epoxy Adhesive DP420 NS Black 73° F (23°C)/50 % RH 3 0 d 2 4900 5100 4590 47 D istilled W ater 3 0 d , i 3 4200 4700 4790 4400 W ate r V apor 120°F (49°C)/100 % RH, 3 0 d 200°F (93°C)/100 % RH, 1 4 d 4000 4000 4700 3000 4410 3780 Antifreeze/ H 2 O (50/50) 180° F (82°C), 3 0 d , i 3000 4200 4240 Isopropy l Alcohol 73° F (23°C), 3 0 d , i 4500 5300 5180 Methy l Ethy l Ketone 73° F (23°C), 3 0 d , i 3500 4600 NT Sa lt Spra y (5 % ) 95° F (35°C), 3 0 d NT 5100 NT Skydro l LD - 4 150° F (66°C), 3 0 d , i 4000 5400 4810 1 Data reported are actual values from the lots tested and may be higher than values published elsewhere in this data sheet. 2 d = days 3 i = i mme r s i on 3M EPX Pneu ma ti c Applicator D elivery Ra te s 20 0 ml Applicato r Ma xi mum P r essu r e 5 8 psi * T ests were run at a temperature of 70°F ± 2°F (21°C ± 1°C) and at maximum applicator pressure.
PAGE - 8 ============
- 8 - 3 M Scotch - W eld Ep o x y A dhesi v e DP42 0 Blac k DP42 0 N S Blac k DP42 0 O f f - Whit e DP42 0 LH Surfac e P r eparation (continued) 4. Dr y ai r dr y approxi m atel y 1 5 m inute s followe d b y forc e dr y a t 140°F (60°C ) m axi mum fo r 1 0 m inute s ( m ini m u m ). 5. Bot h surfac e structur e an d che m istr y pla y a significan t rol e i n deter m inin g the strengt h an d per m anenc e o f bonde d struc t ures . I t i s therefor e advisabl e to bon d o r pri me freshl y pri m e d clea n surface s a s soo n a s possibl e afte r surface p re p arati o n i n orde r t o avoi d conta m inatio n and/o r m echanica l da m age. Pleas e contac t you r 3 M sale s representativ e fo r pri m e r reco mm endations. B. Oak it e Deg r ea s e Oakit e 16 4 solution s (9 - 1 1 oz./gallo n o f water ) a t 190° F ± 10° F (88° C ± 5°C ) for 2 m inutes . R ins e i mm ediatel y i n la r ge quantitie s o f col d runnin g w ate r . C. MEK / Ab r ad e/ MEK W ip e surfac e wit h a m ethy l ethy l keton e ( M EK ) soake d swab , abrad e an d wipe w it h a MEK soake d s w ab. * Allo w solven t t o evaporat e befor e applyin g adhesive. *Note : W h e n usin g solvents , extinguis h al l ignitio n sources , includin g pilo t lights, an d follo w th e m anufacture r s precaution s an d direction s fo r use. D. Isop r opyl A l cohol W i pe On l y Surface P r eparat i on W ip e surfac e wit h a n isopropy l alcoho l s o ake d swab. * Allo w s o lven t t o evaporate befor e applyin g adhesive. *Note : W h e n usin g solvents , extinguis h al l ignitio n sources , includin g pilo t lights, an d follo w th e m anufacture r s precaution s an d direction s fo r use. E. Isop r opy l Alcohol/Abrade/Isop r opy l Alcoho l Surfac e P r eparation W ip e surfac e wit h a n isopropy l alcoho l soake d swab , abrad e usin g clea n fin e grit a b rasi v es, an d wip e wit h a n isopropy l alcoho l soake d swab . * The n allo w solvent t o evaporat e befor e applyin g adhesive. *Note : W h e n usin g solvents , extinguis h al l ignitio n sources , includin g pilo t lights, an d follo w th e m anufacture r s precaution s an d direction s fo r use.
PAGE - 9 ============
- 9 - 3 M Scotch - W eld Ep o x y A dhesi v e DP42 0 Blac k DP42 0 N S Blac k DP42 0 O f f - Whit e DP42 0 LH Storag e Store products at 60 - 80°F (15 - 27°C) for maximum shelf life. She l f L i fe These products have a shelf life of 24 months from date of manufacture in original containers at room temperature P r ecauti o nary Infor m ation Refe r t o Produc t Labe l an d Materia l Safet y Dat a Shee t fo r healt h an d safet y informatio n befor e usin g this product . Fo r additiona l healt h an d safet y inf o rmation , cal l 1 - 800 - 364 - 357 7 o r (651 ) 737 - 6501. T echnical Infor m ation The technical information, guidance, and other statements contained in this document or otherwise provided by 3M are based upon records, tests, or experience that 3M believes to be reliable, but the accuracy, completeness, and representative nature of such information is not guaranteed. Such information is intended for people with knowledge and technical skills sufficient to assess and apply their own informed judgment to the information. No license under an y 3M or third party intellectual property rights is granted or implied with this information. P r oduc t Selection and Us e and performance of a 3M product in a particular application. As a result, customer is solely responsible application, including conducting a workplace hazard assessment and reviewing all applicable regulations and standards (e.g., OSHA, ANSI, etc.). Failure to properly evaluate, select, and use a 3M product and appropriate safety products, or to meet all applicable safety regulations, may result in injury, sickness, death, and/or har m to property. W a rrant y , L i m ited R e m e d y , a n d D isclai m er Unless a different warranty is specifically stated on the applicable 3M product packaging or product literature (in which case such warranty governs), 3M warrants that each 3M product meets the applicable 3M product specification at the time 3M ships the p roduct. 3M MAKES NO OTHER WARRANTIES OR CONDITIONS, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OR CONDITION OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR ARISING OUT OF A COURSE OF DEALING, CUSTOM, OR USAGE OF TRADE . If a 3M product does not conform to this warranty, then the sole and exclusive remedy or refund of the purchase price. L i m itation of L ia b ility Except for the limited remedy stated above, and except to the extent prohibited by law, 3M will not be liable for any loss or damage arising from or related to the 3M product, whether direct, indirect, special, incidental, or consequential (including, but not limited to, lost profits or business opportunity), regardless of the legal or equitable theory asserted, including, but not limited to, warranty, contract, negligence, or strict liability. I S O 9 0 0 1 : 2008 This Industrial Adhesives and T apes Division product was manufactured under a 3M quality system registered to ISO 900 1 : 2008 sta n dards. Industria l Adhesive s an d T ape s Division 3 M Cente r , Buildin g 225 - 3S - 06 St . Paul , M N 55144 - 1000 800 - 362 - 355 0 877 - 369 - 292 3 (Fax) www.3M.com/structuraladhesives 3M and Scotch - W el d are trademarks of 3M Compan y . ©3 M 201 2 7869009710 6
96 KB – 9 Pages