• Description for 3M 776SR

    General purpose, solvent based adhesive/Coatings with good adhesion to synthetic rubber, metal, glass, and many plastics.

    *See Terms of Use Below

    Chemical Resistance oil, Chemical Resistance: Fluid Resistance: Resistance to Salt water, gasoline, aromatic fuels, Hot Oil, Hydrocarbons
    Application Type Bond, Coat
    1 Part or 2 Part 1 Part
    Material Form Liquid
    Substrate Aluminum, glass, metal, many plastics, synthetic rubber, Steel
    Manufacturer 3M
    Chemistry MIBK, Solvent-Based, Methyl Ethyl Ketone (MEK)
    Cure Method Heat
    Cure Time (min) 1,440
    Viscosity (cPs) 400 to 2,000
    Color Transparent Red
    High Temperature Resistance (°C) Heat resistance
    Low Temperature Resistance (°C) -54
    Other Resistance Fuel Resistant
    Key Specifications Mil-Spec (United States Military Standard): MIL-S-4383C.

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Tack Free Time Test Methods
Tack Free Time Tack Free Temperature Test Method
<240 min 24 to 26°C Drying, at 77 ± 2°F, and 50 ± 5% RH
Viscosity Test Methods
Viscosity Test Method
400 to 2,000 cPs Brookfield, #2 spindle at 10 RPM
General Bond Strength Test Methods
General Bond Strength Cure Time Cure Temperature Cure Humidity Substrate Test Method
8 (piw) 4,320 min 24 to 26°C 45 to 55 % metal 72 hours dry at 77 ± 2°F 2°F and 50 ± 5% RH plus 24 hours at 120°F and immersed in Type III fuel (MIL-S-3136) for 48 hours at 77 ± 2°F.
15 (piw) 1,440 min 49°C MIL-S-7502 sealant. 72 hours dry at 77 ± 2°F 2°F and 50 ± 5% RH plus 24 hours at 120°F and immersed in Type III fuel (MIL-S-3136) for 48 hours at 77 ± 2°F.
Peel Strength Test Methods
Peel Strength Type Substrate Test Time Test Temperature Test Method
3 piw 180° Peel Strength Canvas/steel 1,440 min 24°C C-5H
5 piw 180° Peel Strength Canvas/steel 4,320 min 24°C C-5H
8 piw 180° Peel Strength Canvas/steel 7,200 min 24°C C-5H
10 piw 180° Peel Strength Canvas/steel 10,080 min 24°C C-5H
10 piw 180° Peel Strength Canvas/steel 20,160 min 25°C C-5H
13 piw 180° Peel Strength Canvas/steel 30,240 min 25°C C-5H
Flash Point Test Methods
Flash Point Test Method
73.4°F closed cup
% Solids Test Methods
% Solids Test Method
19 % By Weight, Approx.
17 to 22 % By weight, The procedures and tests conducted are contained in MIL-S-4383. Unless otherwise stated, the following data were obtained on 3M EC-776SR Coating that had been dipcoated to a dry film thickness of 0.5-1.5 mils and dried 48 hours at 77 ± 2°F. and 50 ± 5% R.H.