• Description for 3M 847

    Rubber & gasket adhesive 847 is a medium viscosity grade adhesive for many brush or flow applications.

    *See Terms of Use Below

    Application Type Bond, Gasket adhesive
    1 Part or 2 Part 1 Part
    Material Form Liquid
    Substrate Nylon, Plastic, Rubber: Nitrile Rubber, Canvas Steel , Non-Porous Surfaces, Porous Surface, Most plastics
    Manufacturer 3M
    Chemistry Acetone, Base: Nitrile Rubber
    Cure Method Heat, Solvent
    Cure Temperature (°C) 93, 115, 138, 160, 182, 204
    Cure Time (min) Quick, >120, >40, >12, >8, >5.00, >2.00
    Viscosity (cPs) Medium, 1,500 to 3,200
    Color Dark Brown
    Chemical Resistance Excellent resistance to many fuels, Ketone, Excellent resistance to many oils
    Relative Solvent Resistance Chemical Resistance: Aromatic solvents
    High Temperature Resistance (°C) 82
    Key Specifications Mil-Spec (United States Military Standard): Meets the requirements of Mil-C-4003
  • Technical Data

    Overview
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    Specifications
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  • Best Practices

    *See Terms of Use Below

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Cure Temperature Test Methods
Cure Temperature Cure Time Test Method
93°C Cure assembled parts at time and temperature listed using 100 psi pressure on the bond line.
115°C Cure assembled parts at time and temperature listed using 100 psi pressure on the bond line.
138°C Cure assembled parts at time and temperature listed using 100 psi pressure on the bond line.
160°C Cure assembled parts at time and temperature listed using 100 psi pressure on the bond line.
182°C Cure assembled parts at time and temperature listed using 100 psi pressure on the bond line.
204°C Cure assembled parts at time and temperature listed using 100 psi pressure on the bond line.
Cure Time Test Methods
Cure Time Test Method
Quick
>120 min Cure assembled parts at time and temperature listed using 100 psi pressure on the bond line.
>40 min Cure assembled parts at time and temperature listed using 100 psi pressure on the bond line.
>12 min Cure assembled parts at time and temperature listed using 100 psi pressure on the bond line.
>8 min Cure assembled parts at time and temperature listed using 100 psi pressure on the bond line.
>5.00 min Cure assembled parts at time and temperature listed using 100 psi pressure on the bond line.
>2.00 min Cure assembled parts at time and temperature listed using 100 psi pressure on the bond line.
Viscosity Test Methods
Viscosity Test Method Temperature
Medium
1,500 to 3,200 cPs Brookfield RVF @ 80°F 27°C #3 sp @ 20 rpm, approx. 27°C
Work / Pot Time Test Methods
Work / Pot Time Test Method
<15 min 10 mil wet film 2 surfaces
Shear Strength Test Methods
Shear Strength Type Cure Time Cure Temperature Substrate Test Temperature
152 psi Overlap shear strength 30,240 min 25°C Room Temperature 1/8 in. / 1/8 in. Birch 1°C
200 psi Overlap shear strength 30,240 min 25°C Room Temperature 1/8 in. / 1/8 in. Birch 14°C
20 psi Overlap shear strength 30,240 min 25°C Room Temperature 1/8 in. / 1/8 in. Birch 66°C
9 psi Overlap shear strength 30,240 min 25°C Room Temperature 1/8 in. / 1/8 in. Birch 82°C
Peel Strength Test Methods
Peel Strength Type Cure Time Cure Temperature Substrate Test Temperature
13 piw 180° Peel strength 1,440 min 14°C Canvas-Steel 14°C
24 piw 180° Peel strength 4,320 min 14°C Canvas-Steel 14°C
28 piw 180° Peel strength 7,200 min 14°C Canvas-Steel 14°C
31 piw 180° Peel strength 10,080 min 14°C Canvas-Steel 14°C
35 piw 180° Peel strength 20,160 min 14°C Canvas-Steel 14°C
40 piw 180° Peel strength 30,240 min 14°C Canvas-Steel 14°C
20 piw 180° Peel strength 30,240 min 1°C Canvas-Steel 1°C
16 piw 180° Peel strength 30,240 min 66°C Canvas-Steel 66°C
9 piw 180° Peel strength 30,240 min 9°C Canvas-Steel 82°C
Flash Point Test Methods
Flash Point Test Method
-0.4°F Closed up
% Solids Test Methods
% Solids Test Method
36 % Solids Content (by weight)
33 to 39 % Solids Content (by weight)