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Product Information
Specialty
Lubricants MOLYKOTE® 55M
Grease
Silicone based lubricant for O-rings
FEATURES
APPLICATIONS
" High oxidation resistance " Dynamic lubrication between rubber and metal parts in pneumatic systems in
" Wide service temperature range aircraft, automotive and general industrial applications.
(-65ºC to 175ºC)
" Compatable with most plastics
" Good corrosion protection TYPICAL PROPERTIES
Specification writers: These values are not intended for use in preparing specifications.
Please contact your local Dow Corning sales representative prior to writing specifications on
COMPOSITION this product.
" Silicone oil
" Ester Standard* Parameter Unit Value
" Lithium soap
Appearance Pink
Base oil viscosity at 25ºC mm /s2
100
JIS K 2220 Penetration (worked 60 times) mm/10 300 to 340
NLGI class 1
Service temperature range ºC -65 to 175
Density g/cm3 1.0
JIS K 2220 Drop point ºC 220
Fed Std 791 Bleed (150ºC/24 hours) % 3.0
Fed Std 791 Evaporation (150ºC/24 hours) % 1.4
JIS K 2220 Oxidation resistance (99ºC/500 hours) MPa 0.01
JIS K 2220 Water washout (38ºC/1 hour) % 4.2
DIN 51 802 Emcor corrosion test 0 (No corrosion)
*JIS: Japanese Industrial Standard.
Fed Std: Federal Standard DIN: Deutsches Industrie Norm.
HOW TO USE HANDLING PRECAUTIONS
Clean points of application. As is usual This product may irritate the skin or
with lubricating greases, apply or fill eyes. Wear safety equipment as
by means of a brush, spatula, or necessary when handling this product.
automatic lubrication device. In the event of contact with skin or
eyes, immediately rinse thoroughly
Compatibility with plastics may vary with water and seek medical care if
depending on the type and grade of the necessary. Wash hands thoroughly after
plastic. Performs adequate comatibilty handling.
testing in advance. This grease is not
compatible with silicone rubber. USABLE LIFE AND
STORAGE
When stored, unopened in a cool, dark
place this product, has a usable life of
36 months from the date of production.

2. PACKAGING
This product is available in 5kg cans
CAUTION
1. Data included in this document are
average values, not specification
values. Any applications for this
product given in this document are
merely examples. Perform thorough
evaluations to confirm functionality,
effectiveness, and safety before use.
2. No guarantees are made that the
applications described in this document
are free from infringements of any
patent.
3. This product was developed for
industrial use, and is not intended for
use in medical equipment,
pharmaceutical products, etc.
4. Be sure to read the material safety
data sheet (MSDS) and container label
for this product before use.
5. Contact Dow Corning Asia, Ltd.,
before reproducing any data from this
document.
WE HELP YOU INVENT THE
FUTURE."
www.dowcorning.com
MOLYKOTE 55M Grease WE HELP YOU INVENT THE FUTURE. is a trademark of Dow Corning Corporation.
2 05/07/2002 MOLYKOTE is a registered trademark of Dow Corning Corporation.
Ref. no. 80-3093-01 DC 4422 ©2002 Dow Corning Corporation. All rights reserved.