3M
™
Nitrile High Performance
Rubber & Gasket Adhesive
847
•
847H
Technical Data
August, 2016
Features
• 3M™ Nitrile High Performance Rubber & Gasket Adhesives 847 and 847H
provide strong flexible bonds.
• Rubber & gasket adhesive 847 is a medium viscosity grade adhesive for many brush
or flow applications.
• Rubber & gasket adhesive 847 meets the requirements of Mil-C-4003.
• Rubber & gasket adhesive 847H is a high viscosity grade adhesive for many brush
or flow applications requiring gap filling or reduced soak-in.
• Quick drying.
• Excellent resistance to many fuels and oils.
• Bond leather, nitrile rubber, most plastics, and gasketing materials to a variety of
substrates.
• May be heat cured to obtain improved physical properties.
Typical Physical
Properties
Note: The following technical information and data should be considered representative or
typical only and should not be used for specification purposes.
3M™ Nitrile High Performance Rubber &
Gasket Adhesive
847
Viscosity (approx.):
Brookfield RVF @ 80°F (27°C)
Solids Content (by wt.):
Base:
Color (wet & dry):
Net wt. (approx.): (lbs/gallon)
Flashpoint (closed up):
Solvent:
Bonding Range:
(10 mil wet film 2 surfaces)
1500-3200 cps.
(#3 sp @ 20 rpm)
33-39%
Nitrile Rubber
Dark Brown
7.4-7.8 lbs/gal
0°F (-18°C)
Acetone
Up to 15 minutes
847H
35,000-90,000 cps.
(#6 sp @ 4 rpm)
46-55%
Nitrile Rubber
Dark Brown
7.5-7.9 lbs/gal
0°F (-18°C)
Acetone
Up to 10 minutes
3M
™
Nitrile High Performance Rubber & Gasket Adhesive
847 • 847H
Handling/Application
Information
Directions for Use:
1. Surface Preparation:
Remove all dust, dirt, oil, grease, wax, loose paint, etc.
Wiping with a solvent such as methyl ethyl ketone (MEK) or 3M™ Citrus Base
Cleaner will aid in preparing the surface for bonding.
*
2. Application Temperature:
For best results the temperature of the adhesive and
surfaces to be bonded should be at least 65°F (18°C).
3. Application:
Stir well before using
Porous Surface(s):
Brush, flow or spray a thin, even coat of adhesive to one or
both surfaces. Coating both surfaces is preferred since it gives greater strength and
permits longer open time before bonding. Very absorbent materials may require
more than one coat. Bond while adhesive is still wet or aggressively tacky. Join
surfaces with firm pressure.
Non-Porous Surfaces:
Brush, flow or spray a thin, even coat of adhesive to both
surfaces. Allow adhesive to dry until tacky. Join surfaces with firm pressure.
4. Drying Time:
Drying time depends on temperature, humidity, air movement, and
porosity of the materials bonded. Greater immediate strength may be obtained by
heat or solvent reactivation. See Reactivation below.
5. Reactivation:
To solvent reactivate, coat both surfaces with adhesive. Allow to
dry tack-free. Lightly wipe one surface with a solvent such as methyl ethyl ketone
(MEK)* Complete bond within 30 seconds.
.
To heat activate, coat both surfaces with adhesive. Allow adhesive to dry
completely. Reactivate by heating one or both surfaces to a minimum of 180°F
(82°C). Assemble immediately (while hot), using firm pressure to ensure contact.
6. Curing:
3M™ Nitrile High Performance Rubber & Gasket Adhesives 847
and 847H may be heat cured to obtain improved physical properties. Cure
assembled parts at time and temperature listed using 100 psi pressure on the
bond line.
Temperature of Bondline
200°F (93°C)
240°F (115°C)
280°F (138°C)
320°F (160°C)
360°F (182°C)
400°F (204°C)
Time for Minimum Cure
120 minutes
40 minutes
12 minutes
8 minutes
5 minutes
2 minutes
7. Cleanup:
Excess adhesive may be removed with a solvent such as methyl ethyl
ketone (MEK) or acetone, preferably while adhesive is still wet.*
*When
using solvents, extinguish all ignition sources, including pilot lights, and
follow the manufacturer’s precautions and directions for use.
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3M
™
Nitrile High Performance Rubber & Gasket Adhesive
847 • 847H
Application Equipment
Suggestions
Note: Appropriate application equipment can enhance adhesive performance. We
suggest the following application equipment for the user’s evaluation in light
of the user’s particular purpose and method of application.
1. Pumping:
3M™ Nitrile High Performance Rubber & Gasket Adhesives 847 and 847H
5 Gallon Pail Dispensing System:
1. Pump – 4:1 double acting ball type check pump, 4 cu. in./cycle 3 in. air motor.
2. Pail cover required to reduce solvent loss.
55 Gallon Drum Dispensing System:
1. Pump – 4:1 ratio double acting ball type check pump, 4 cu. in./cycle 3 in. air
motor, bung style pump.
Accessories:
1. Hose – nylon lined, 500 psi working pressure minimum.
2. Spray: Rubber & Gasket Adhesive 847 Production
Type Spray Equipment
Air
Cap
777
63PB
Fluid
Tip
FX
63BSS
Air
Pressure
50 psi
40 psi
Approximate Air
Requirement*
14
1
/
2
CFM
12
1
/
2
CFM
Fluid
Flow**
3 fl. oz./min.
1-2 fl. oz./min.
Spray Applicator
DeVilbiss JGA or MSA
Binks No. 95 or 2001
Airless Spray:
This adhesive is not recommended for airless spraying.
*2 H.P. Compressor for intermittent use.
3 H.P. Compressor for continuous use.
**To Measure Fluid Flow: Pressurize fluid source only; pull trigger; flow material into
measuring device for 60 seconds; increase or decrease fluid source pressure to obtain
desired fluid flow.
All material hoses should be nylon or PVA lined.
3. Brush:
Typical brushes designed for oil based paints may be used.
Typical Adhesive
Performance
Characteristics
Note: The following technical information and data should be considered representative
or typical only and should not be used for specification purposes.
rubber & gasket adhesive 847 and 847H
Overlap Shear Strength
1/8 in. / 1/8 in. Birch
(Room temperature aged for 3 weeks)
180° Peel Strength
Canvas/Steel
Time @ 75°F (14°C)
1
3
5
7
2
3
3
3
3
day
days
days
days
weeks
weeks
weeks
weeks
weeks
Test Temp
75°F
75°F
75°F
75°F
75°F
75°F
30°F
150°F
180°F
(14°C)
(14°C)
(14°C)
(14°C)
(14°C)
(14°C)
(1°C)
(66°C)
(82°C)
Value (piw)
13
23.5
27.5
31
35
40
20
16
9
Test Temp
30°F
75°F
150°F
180°F
(1°C)
(14°C)
(66°C)
(82°C)
Value (psi)
152
200
20
9
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3M
™
Nitrile High Performance Rubber & Gasket Adhesive
847 • 847H
Storage
Store product at 60-80°F (15-27°C) for maximum storage life. Higher temperatures
reduce normal storage life. Lower temperatures cause increased viscosity of a
temporary nature. Rotate stock on a “first in-first out” basis.
Shelf Life
When stored in the original unopened container, under the conditions recommended,
these products have a shelf life from date of shipment as follows:
3M™ Nitrile High Performance Rubber & Gasket Adhesive 847
3M™ Nitrile High Performance Rubber & Gasket Adhesive 847H
15 months
7 months
Technical Information
The technical information, recommendations and other statements contained in this document are
based upon tests or experience that 3M believes are reliable, but the accuracy or completeness of such
information is not guaranteed.
Product Use
Many factors beyond 3M’s control and uniquely within user’s knowledge and control can affect the use
and performance of a 3M product in a particular application. Given the variety of factors that can affect
the use and performance of a 3M product, user is solely responsible for evaluating the 3M product and
determining whether it is fit for a particular purpose and suitable for user’s method of application.
Warranty,
Limited Remedy,
and Disclaimer
Unless an additional warranty is specifically stated on the applicable 3M product packaging or product
literature, 3M warrants that each 3M product meets the applicable 3M product specification at the time
3M ships the product. 3M MAKES NO OTHER WARRANTIES OR CONDITIONS, EXPRESS OR
IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OR CONDITION OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR ANY IMPLIED WARRANTY
OR CONDITION ARISING OUT OF A COURSE OF DEALING, CUSTOM OR USAGE OF TRADE.
If the 3M product does not conform to this warranty, then the sole and exclusive remedy is, at 3M’s
option, replacement of the 3M product or refund of the purchase price.
Limitation of Liability
Except where prohibited by law, 3M will not be liable for any loss or damage arising from the 3M product,
whether direct, indirect, special, incidental or consequential, regardless of the legal theory asserted,
including warranty, contract, negligence or strict liability.
ISO 9001 2000
:
This Industrial Adhesives and Tapes Division product was manufactured under a 3M quality system registered to ISO 9001: 2000 standards.
3
Industrial Adhesives and Tapes Division
3M Center, Building 225-3S-06
St. Paul, MN 55144-1000
800-362-3550 • 877-369-2923 (Fax)
www.3M.com/Adhesives
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