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Description for 3M 1386
A one-part, 100% solids, thermosetting liquid adhesive. Higher impact, peel and bond strength properties. Application by knife coating, trowel, roller coating and high pressure injection methods.Chemical Resistance Chemical Resistance: Fluid Resistance: .8% (Rust Inhibitor) 99.2% Tap Water, Salt Spray, Chemical Resistance: Fluid Resistance: 1.2% (Radiator Conditioner) 98.9% Tap Water, Type III Hydrocarbon Fluid, Chemical Resistance: Fluid Resistance: 26% Methyl Alcohol 74% Tap Water, Chemical Resistance, Chemical Resistance: Fluid Resistance: 28.6%Ethylene Glycol 71.4% Tap Water Blend, Chemical Resistance: Fluid Resistance: Tap Water Application Type Bond 1 Part or 2 Part 1 Part Material Form Liquid Substrate Etched Aluminum, Epoxy, Metal, Aluminum Manufacturer 3M Chemistry Epoxy, Epoxy: Modified Epoxy Resin Application Method Trowel Cure Method Heat Cure Temperature (°C) 176 to 178 Cure Time (min) 59 to 61 Viscosity (cPs) 75,000 to 175,000 Color Light Cream Creep Resistance Creep resistance High Temperature Resistance (°C) 121, 82 Low Temperature Resistance (°C) -57, -55 Density (g/cm³) 9.4 to 9.8 (weight (lbs/gal)) Key Specifications Mil-Spec (United States Military Standard): A-8623A: MMM-A-132 Type III; MIL-A-8623A Type III; MMM-A-134 Type III, Mil-Spec (United States Military Standard): MMM-A-132: MMM-A-132 Type III; MIL-A-8623A Type III; MMM-A-134 Type III, Mil-Spec (United States Military Standard): MMM-A-134: MMM-A-132 Type III; MIL-A-8623A Type III; MMM-A-134 Type III
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Viscosity Test Methods
Viscosity | Test Method |
---|---|
75,000 to 175,000 cPs | Brookfield RVF No. 7 Spindle @ 4 rpm |
Shear Strength Test Methods
Shear Strength | Cure Time | Cure Temperature | Substrate | Test Temperature | Test Method |
---|---|---|---|---|---|
5,500 psi | 40 to 60 min | 24°C | 177°C | ||
5,500 psi | 20 to 30 min | 24°C | 191°C | ||
5,300 psi | 15 to 20 min | 24°C | 204°C | ||
4,300 psi | 10 to 15 min | 24°C | 218°C | ||
3,500 psi | 5.00 to 7 min | 24°C | 232°C | ||
2,500 psi | Aluminum to Aluminum | -54 to -56°C | Cohesive failure | ||
2,500 psi | Aluminum to Aluminum | 22 to 24°C | Cohesive failure | ||
1,250 psi | Aluminum to Aluminum | 81 to 83°C | Cohesive failure | ||
None | Aluminum to Aluminum | 120 to 122°C | Cohesive failure | ||
2,500 psi | Aluminum to Aluminum | -54 to -56°C | Cohesive failure | ||
2,500 psi | Aluminum to Aluminum | 22 to 24°C | Cohesive failure | ||
1,500 psi | Aluminum to Aluminum | 81 to 83°C | Cohesive failure | ||
None | Aluminum to Aluminum | 120 to 122°C | Cohesive failure |
Tensile Strength Test Methods
Tensile Strength | Cure Time | Cure Temperature | Test Temperature | Test Method |
---|---|---|---|---|
8,293 psi | 60 min | 177°C | -40°C | Cure Cycle: 1 hour @ 350°F (177°C) |
10,189 psi | 60 min | 177°C | 24°C | Cure Cycle: 1 hour @ 350°F (177°C) |
3,178 psi | 60 min | 177°C | 82°C | Cure Cycle: 1 hour @ 350°F (177°C) |
Peel Strength Test Methods
Peel Strength | Type | Cure Time | Cure Temperature | Substrate | Test Temperature |
---|---|---|---|---|---|
10 piw | T-peel strength | 60 min | 177°C | Etched Aluminum | 22 to 24°C |
Cleavage Strength Test Methods
Cleavage Strength | Substrate | Test Temperature | Test Method |
---|---|---|---|
1500 (lbs) | Aluminum to Aluminum | 22 to 24°C | ASTM D 1062-49T, MIL-A-8623 |
Impact Strength Test Methods
Impact Strength | Substrate | Test Temperature | Test Method |
---|---|---|---|
Higher | Aluminum to Aluminum | 22 to 24°C | Cohesive failure, FED STD-MMM-A-175 |
5 (ft./lbs.) | Aluminum to Aluminum | 22 to 24°C | Cohesive failure, FED STD-MMM-A-175 |
45 (ft./lbs) | 22 to 26°C | Cohesive Failure, Impact strength was measured according to ASTM D 950-54 (Izod Impact Tester 30 lbs. wt.) methods using 1/2 in. x 1/2 in. square specimens of 2024 T3 aluminum.Scotch-Weld EC-1386 was applied in a thin coat (.003 in. x .005 in. thick) on both surfaces. |
Dielectric Constant Test Methods
Dielectric Constant | Temperature |
---|---|
5.11 | 23°C |
5.28 | 60°C |
5.55 | 90°C |
6.07 | 105°C |
7.35 | 120°C |
8.37 | 135°C |
Dissipation Factor Test Methods
Dissipation Factor | Temperature |
---|---|
0.05700 | 23°C |
0.05900 | 60°C |
0.10100 | 90°C |
0.12900 | 105°C |
0.13800 | 120°C |
183.00000 | 135°C |
Coefficient of Thermal Expansion (CTE) Test Methods
Coefficient of Thermal Expansion (CTE) | CTE Temperature (°C) |
---|---|
4.65e-5 | -40 to 44°C |
4.96e-5 | 44 to 116°C |