3M Scotch-Weld™ DP8005 Black Structural Adhesive

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3M Scotch-Weld™ DP8005 Black Structural Adhesive
Categories:	Polymer; Adhesive
Material Notes:	3M™ Scotch-Weld™ Structural Plastic Adhesive DP-8005 is a two-part acrylic-based adhesive (10:1 ratio by volume) that can bond many low surface energy plastics, including many grades of polypropylene, polyethylene, and TPO’s without special surface preparation. It can replace screws, rivets, plastic, welding, and two-step processes which include chemical etchants, priming or surface treatments in many applications. Information provided by 3M
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Physical Properties	Original Value	Comments

Brookfield Viscosity	15000 - 30000 cP	Base, DV-II, #7 sp, 20 rpm
	35000 - 55000 cP	Accelerator, DV-II, #7 sp, 20 rpm

Mechanical Properties	Original Value	Comments
Hardness, Shore D	60	ASTM D2240
Tensile Modulus	58782 psi	at 1% Strain
Shear Strength	50.0 psi	Overlap, Toluene for 14 days, Cohesive Failure
	200 psi	Overlap, PTFE, Adhesive Failure
	200 psi	Overlap, Acetone for 14 days, Cohesive Failure
	400 psi	Overlap, LDPE, Substrate Failure
	450 psi	Overlap, Gasoline for 14 days, Cohesive Failure
	525 psi	Overlap, Glass (3/16" thick), Substrate Failure
	575 psi	Overlap, HIPS, Substrate Failure
	750 psi	Overlap, UHMWPE, Substrate Failure
	750 psi	Overlap, Polystyrene, Substrate Failure
	850 psi	Overlap, HDPE/HDG, Adhesive/Cohesive Failure
	875 psi	Overlap, PE, Substrate Failure
	925 psi	Overlap, 71°C/100% RH salt water soak for 14 days, Cohesive Failure
	950 psi	Overlap, 71°C/100% RH for 14 days, AF/CF
	950 psi	Overlap, Diesel Fuel for 14 days, Substrate Failure
	975 psi	Overlap, RT salt water soak for 14 days, Substrate Failure
	1000 psi	Overlap, 71°C water soak for 14 days, Substrate Failure
	1000 psi	Overlap, HCl for 14 days, Substrate Failure
	1000 psi	Overlap, Isopropyl Alcohol for 14 days, Substrate Failure
	1025 psi	Overlap, HDPE/Galvanealed, Substrate Failure
	1025 psi	Overlap, HDPE/CRS, Adhesive/Cohesive Failure
	1025 psi	Overlap, NaOH for 14 days, Substrate Failure
	1025 psi	Overlap, Antifreeze Coolant for 14 days, Substrate Failure
	1075 psi	Overlap, Plexiglas (PMMA), Substrate Failure
	1100 psi	Overlap, HDPE, Substrate Failure
	1100 psi	Overlap, Polycarbonate, Adhesive Failure
	1100 psi	Overlap, 304 Stainless Steel (1/32" thick), Cohesive Failure
	1100 psi	Overlap, Control, Substrate Failure
	1150 psi	Overlap, PP, Substrate Failure
	1225 psi	Overlap, Oily HDG, Adhesive/Cohesive Failure
	1425 psi	Overlap, Gel Coat (3/16" thick), Substrate Failure
	1575 psi	Overlap, ABS, Substrate Failure
	1900 psi	Overlap, PVC, Substrate Failure
	2050 psi	Overlap, Copper (1/16" thick), Cohesive Failure
	2075 psi	Overlap, Aluminum (1/16" thick), Cohesive Failure
	2275 psi	Overlap, CRS (1/32" thick), Adhesive Failure
	2500 psi	Overlap, Green FRP, Cohesive Failure
	300 psi @Temperature 82.0 °C	Overlap
	750 psi @Temperature 82.0 °C	Overlap, HDPE, AF/CF
	900 psi @Temperature -29.0 °C	Overlap, Green FRP, Adhesive Failure
	975 psi @Temperature -29.0 °C	Overlap, HDPE, Adhesive Failure
	975 psi @Temperature 82.0 °C	Overlap, Green FRP, AF/CF
	1025 psi @Temperature 66.0 °C	Overlap, Green FRP, AF/CF
	1150 psi @Temperature 66.0 °C	Overlap, HDPE, AF/CF
	1550 psi @Temperature 49.0 °C	Overlap, Green FRP, AF/CF
	1875 psi @Temperature 49.0 °C	Overlap, HDPE, AF/CF
	2400 psi @Temperature 24.0 °C	Overlap
	2450 psi @Temperature 23.0 °C	Overlap, Green FRP, Adhesive Failure
	2475 psi @Temperature 23.0 °C	Overlap, HDPE, Adhesive Failure
Peel Strength	9.00 pli	T-Peel, HDPE, Cohesive but shocky
	10.0 pli	T-Peel

Thermal Properties	Original Value	Comments
CTE, linear	125 µm/m-°C	Below Tg
	170 µm/m-°C	Above Tg
Glass Transition Temp, Tg	33.0 °C	onset

Processing Properties	Original Value	Comments
Cure Time	3.00 hour	Time to Handling Strength

Descriptive Properties
Appearance	Black	Base
	Black
	White	Accelerator

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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PMM34669 / 169416

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