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3M Scotch-Weld™ DP920 Epoxy Adhesive

Category	Polymer , Thermoset , Epoxy , Epoxy Adhesive
Manufacturer	3M
Trade Name	Scotch-Weld™
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	3M Scotch-Weld™ DP920 Epoxy Adhesive.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

3M™ Scotch-Weld™ Epoxy Adhesive DP920 is a two-part, 2:1 mix ratio, toughened epoxy structural adhesive with a 20 minute work life. It exhibits excellent shear and peel strengths along with good impact and durability; and bonds well to oily metal substrates with minimal surface preparation.Information provided by 3M

Physical Properties	Metric	English	Comments
Brookfield Viscosity	18000 cP	18000 cP	Accelerator, RFV #7 at 20 rpm
	110000 cP	110000 cP	Base, RFV #7 at 20 rpm

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	70 - 75	70 - 75
Shear Strength	0.00689 MPa	1.00 psi	Overlap, Aluminum, RT cure for 2 hrs; ASTM D1002
	0.0345 MPa	5.00 psi	Overlap, Aluminum, RT cure for 3 hrs; ASTM D1002
	0.172 MPa	25.0 psi	Overlap, Aluminum, 49°C for 30 mins; ASTM D1002
	0.552 MPa	80.0 psi	Overlap, Aluminum, 60°C for 30 mins; ASTM D1002
	2.83 MPa	410 psi	Overlap, Acrylic (PMMA) (IPA/abrade/IPA), Adhesive Failure; ASTM D1002
	3.31 MPa	480 psi	Overlap, Polystyrene (HIPS) (IPA/abrade/IPA), Adhesive Failure/Substrate Failure; ASTM D1002
	3.72 MPa	540 psi	Overlap, Polycarbonate (IPA/abrade/IPA), Adhesive Failure; ASTM D1002
	4.07 MPa	590 psi	Overlap, ABS (IPA/abrade/IPA), Adhesive Failure; ASTM D1002
	4.96 MPa	720 psi	Overlap, PVC (IPA/abrade/IPA), Adhesive Failure/Substrate Failure; ASTM D1002
	5.24 MPa	760 psi	Overlap, Aluminum, RT cure for 5 hrs; ASTM D1002
	6.55 MPa	950 psi	Overlap, Aluminum, RT cure for 6 hrs; ASTM D1002
	10.3 MPa	1500 psi	Overlap, Phenolic (IPA/abrade/IPA), Substrate Failure; ASTM D1002
	15.2 MPa	2200 psi	Overlap, CRS - with Multidraw KTL N16 Deep Draw Lube Oil, Cohesive failure/Adhesive Failure; ASTM D1002
	15.2 MPa	2200 psi	Overlap, CRS - with Preton R303 PX2, Cohesive failure/Adhesive Failure; ASTM D1002
	15.9 MPa	2300 psi	Overlap, Galvanized Aluminum (MEK/abrade/MEK), Adhesive Failure; ASTM D1002
	16.5 MPa	2400 psi	Overlap, CRS - with Ferrocote 6130 Draw Lube, Cohesive failure/Adhesive Failure; ASTM D1002
	17.9 MPa	2600 psi	Overlap, Aluminum, 49°C for 1 hr; ASTM D1002
	18.6 MPa	2700 psi	Overlap, CRS - MEK/abraded/MEK, Cohesive failure; ASTM D1002
	21.4 MPa	3100 psi	Overlap, Copper (MEK/abrade/MEK), Cohesive failure/Adhesive Failure; ASTM D1002
	23.2 MPa	3360 psi	Overlap, Aluminum-etched, with KTLN Deep Draw Lue Oil, Cohesive failure; ASTM D1002
	23.4 MPa	3400 psi	Overlap, FRP (Green) (IPA/abrade/IPA), Adhesive Failure/Cohesive Failure; ASTM D1002
	24.1 MPa	3500 psi	Overlap, Stainless Steel (MEK/abrade/MEK), Cohesive failure/Adhesive Failure; ASTM D1002
	24.1 MPa	3500 psi	Overlap, Etched Aluminum, MEK at RT for 30 days immersion, Cohesive Failure
	24.1 MPa	3500 psi	Overlap, Etched Aluminum, Gasoline at RT for 30 days immersion, Cohesive Failure
	24.8 MPa	3600 psi	Overlap, Etched Aluminum, 5% Salt solution for 14 days, Cohesive Failure
	25.5 MPa	3700 psi	Overlap, Etched Aluminum, 65°C/80% RH for 30 days, Cohesive Failure
	26.2 MPa	3800 psi	Overlap, Brass (MEK/abrade/MEK), Cohesive failure/Adhesive Failure; ASTM D1002
	27.6 MPa	4000 psi	Overlap, Etched Aluminum, Isopropanol at RT for 30 days immersion, Cohesive Failure
	27.6 MPa	4000 psi	Overlap, Aluminum-etched, Cohesive failure; ASTM D1002
	29.0 MPa	4200 psi	Overlap, Aluminum, 60°C for 1 hr; ASTM D1002
	31.0 MPa	4500 psi	Overlap, Etched Aluminum, RT, DI Water 30 days immersion, Cohesive Failure
	31.0 MPa	4500 psi	Overlap, Etched Aluminum, 10W30 Motor Oil at RT for 30 days immersion, Cohesive Failure
	31.0 MPa	4500 psi	Overlap, Etched Aluminum, -40°C/38°C and 100% RH/90°C; for 30 days, Cohesive Failure
	31.7 MPa	4600 psi	Overlap, Aluminum, RT cure for 24 hrs; ASTM D1002
	31.7 MPa	4600 psi	Overlap, Aluminum, 49°C for 2 hrs; ASTM D1002
	32.4 MPa	4700 psi	Overlap, Etched Aluminum, 50% Antifreeze at RT for 30 days immersion, Cohesive Failure
	33.1 MPa	4800 psi	Overlap, Etched Aluminum, RT, 50% for 30 days, Cohesive Failure
	33.1 MPa	4800 psi	Overlap, Etched Aluminum, Diesel Fuel at RT for 30 days immersion, Cohesive Failure
	33.8 MPa	4900 psi	Overlap, Etched Aluminum, 80°C for 30 days, Cohesive Failure
	39.3 MPa	5700 psi	Overlap, Aluminum, 49°C for 3 hrs; ASTM D1002
	40.0 MPa	5800 psi	Overlap, Aluminum, 60°C for 2 hrs; ASTM D1002
	26.2 MPa @Temperature -55.0 °C	3800 psi @Temperature -67.0 °F	Overlap, Aluminum
	27.6 MPa @Temperature 23.0 °C	4000 psi @Temperature 73.4 °F	Overlap, Aluminum
	3.45 MPa @Temperature 121 °C, Time 900 sec	500 psi @Temperature 250 °F, Time 0.250 hour	Overlap, Aluminum
	5.52 MPa @Temperature 82.0 °C, Time 900 sec	800 psi @Temperature 180 °F, Time 0.250 hour	Overlap, Aluminum
	5.52 MPa @Temperature 82.0 °C, Time 1800 sec	800 psi @Temperature 180 °F, Time 0.500 hour	Overlap, Aluminum
	5.86 MPa @Temperature 82.0 °C, Time 3600 sec	850 psi @Temperature 180 °F, Time 1.00 hour	Overlap, Aluminum
	6.55 MPa @Temperature 82.0 °C, Time 14400 sec	950 psi @Temperature 180 °F, Time 4.00 hour	Overlap, Aluminum
Peel Strength	4.03 kN/m	23.0 pli	Bell Peel Adhesion, CRS, with KTL N16 Deep Draw Lube Oil, Cohesive Failure; ASTM D3167
	5.26 kN/m	30.0 pli	Bell Peel Adhesion, Aluminum Etched, with KTL N16 Deep Draw Lube Oil, Cohesive Failure; ASTM D3167
	5.61 kN/m	32.0 pli	Bell Peel Adhesion, Aluminum Etched, Cohesive Failure; ASTM D3167
	1.23 kN/m @Temperature 82.0 °C	7.00 pli @Temperature 180 °F	Bell Pell Adhesion, Aluminum Etched, Adhesive Failure; ASTM D3167
	3.51 kN/m @Temperature -55.0 °C	20.0 pli @Temperature -67.0 °F	Bell Pell Adhesion, Aluminum Etched, Cohesive Failure; ASTM D3167
	5.61 kN/m @Temperature 23.0 °C	32.0 pli @Temperature 73.4 °F	Bell Pell Adhesion, Aluminum Etched, Cohesive Failure; ASTM D3167

Electrical Properties	Metric	English	Comments
Volume Resistivity	8.40e+14 ohm-cm	8.40e+14 ohm-cm	ASTM D257
Dielectric Strength	19.5 kV/mm	496 kV/in	ASTM D149

Processing Properties	Metric	English	Comments
Cure Time	240 min	4.00 hour	Time to Handling Strength
	2880 min	48.0 hour	Full Cure

Descriptive Properties	Value	Comments
Appearance	Off-white	Base
	Pale yellow
	Yellow	Accelerator

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