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Molykote Cu-7439+ Paste in India, Call Project Sales Corp on +91-891-2564393
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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)