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Product Information
Specialty
Lubricants MOLYKOTE®
Cu-7439 Plus
Paste
FEATURES Copper paste for components subjected to high temperatures,
" Wide service temperature range high pressures and corrosive influences
" Good pressure resistance
" Very adhesive and resistant against water APPLICATIONS
wash-out
" Well suited for all areas which need to be protected against water, steam and
" Good corrosion protection
corrosion, e.g. brake mechanisms, flange seals, exhauster bolts.
" Low evaporation
" No drop point
TYPICAL PROPERTIES
Specification writers: These values are not intended for use in preparing specifications.
COMPOSITION
Please contact your local Dow Corning sales representative prior to writing specifications on
" Powdered copper this product.
" Partly synthetic oil
" Inhibitor Standard* Test Unit Result
Color Copper colored
Consistency, density, viscosity
ISO 2137 Unworked penetration mm/10 320-370
DIN 53 217 Density at 20ºC (68ºF) g/ml 1.0
DIN 51 562 Base oil viscosity at 40ºC (104ºF) mm2/s 1100
Temperature
Service temperature ºC -30 to +650; paste
effective to +300
ºF -22 to +1202; pate
effective to +572
ISO 2176 Drop point ºC None
ºF None
Load-carrying capacity, wear protection, service life
Four-ball tester
DIN 51 350 pt.4 Weld load N 2500
DIN 51 350 pt.5 Wear factor under 800N load mm 1.0
Almen-Wieland machine
OK load N >20000
Coefficient of friction
Press-Fit test µ = 0.07
Screw test:
Coefficient of friction of bolt connection
M12, 8.8, blackened surface
- µ thread 0.17
- µ head 0.10
Initial break-away torque Nm 110
(M12 with starting torque Ma=80Nm and
heat treatment at 300ºC/572ºF, 21h, bolt
material: C 45, 8.8, mat.no. 1.0503)

2. TYPICAL PROPERTIES (continued)
Standard* Test Unit Result
DIN 51 807 pt.1 Water resistance, static, evaluation 1-90
Corrosion protection
DIN 52 802 SKF-Emcor method
Degree of corrosion 0
HOW TO USE HEALTH AND DOW CORNING SPECIFICALLY
How to apply ENVIRONMENTAL DISCLAIMS ANY OTHER
If possible, contact surfaces should be INFORMATION EXPRESS OR IMPLIED
cleaned. Then apply paste with a brush To support Customers in their product WARRANTY OF FITNESS FOR A
or cloth. Excess lubricant need not be safety needs, Dow Corning has an PARTICULAR PURPOSE OR
removed. MOLYKOTE Cu-7439 Plus extensive Product Stewardship MERCHANTABILITY.
Paste can be used in grease guns and organization and a team of Product
centralised lubrication systems. Safety and Regulatory Compliance DOW CORNING DISCLAIMS
(PS&RC) specialists available in each LIABILITY FOR ANY
HANDLING PRECAUTIONS area. INCIDENTAL OR
Product safety information required for CONSEQUENTIAL DAMAGES.
safe use is not included. Before For further information, please see our
handling, read product and safety data website, www.dowcorning.com or WE HELP YOU INVENT THE
sheets and container labels for safe use, consult your local Dow Corning FUTURE."
physical and health hazard information. representative.
The material safety data sheet is
www.dowcorning.com
available on the Dow Corning website LIMITED WARRANTY
at www.dowcorning.com. You can also INFORMATION - PLEASE
obtain a copy from your local READ CAREFULLY
Dow Corning sales representative or The information contained herein is
Distributor or by calling your local offered in good faith and is believed to
Dow Corning Global Connection. be accurate. However, because
conditions and methods of use of our
USABLE LIFE AND products are beyond our control, this
STORAGE information should not be used in
When stored at or below 20ºC (68ºF) in substitution for customer's tests to
the original unopened containers, this ensure that Dow Corning's products are
product has a usable life of 60 months safe, effective, and fully satisfactory
from the date of production. for the intended end use. Suggestions
of use shall not be taken as
PACKAGING inducements to infringe any patent.
This product is available in different
standard container sizes. Detailed Dow Corning's sole warranty is that the
container size information should be product will meet the Dow Corning
obtained from your nearest sales specifications in effect at the time
Dow Corning sales office or of shipment.
Dow Corning distributor.
Your exclusive remedy for breach of
LIMITATIONS such warranty is limited to refund of
This product is neither tested nor purchase price or replacement of any
represented as suitable for medical or product shown to be other than as
pharmaceutical uses. warranted.
MOLYKOTE Cu-7439 Plus Paste WE HELP YOU INVENT THE FUTURE. is a trademark of Dow Corning Corporation.
2 20/02/2002 MOLYKOTE is a registered trademark of Dow Corning Corporation.
Ref. no. 71-0182C-01 DC 3622 ©1997-2002 Dow Corning Corporation. All rights reserved.