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Product Information
Specialty
Lubricants MOLYKOTE® BG 87
High Performance Grease
Lubricating grease for metal/metal and metal/plastic
combinations with slow to medium fast movements and
FEATURES extremely high loads
" Suitable for long-term lubrication
" High loading capacity APPLICATION
" No drop point " Used successfully, for example, for sliding and roller bearings in refrigeration
" Can be used over a wide temperature
plants, in pump and fan bearings, and also for charging equipment in the
range, -35ºC to +250ºC (-31ºF to
chemical and petrochemical industry.
+482ºF), and up to +280ºC (536ºF) for a
brief period
" Highly resistant to water TYPICAL PROPERTIES
" Resistant to many chemicals Specification writers: These values are not intended for use in preparing specifications.
" Good protection against corrosion Please contact your local Dow Corning sales representative prior to writing specifications on
(corrosion index 0-1 when tested using this product.
the SKF-Emcor method)
" Compatible with many plastics and Standard* Test Unit Result
elastomers
Color White
COMPOSITION Consistency, density, viscosity
DIN 51 818 NLGI consistency class 2
" Perfluorinated polyether
" PTFE thickener ISO 2137 Worked penetration mm/10 265-295
" Temperature-resistant corrosion inhibitor ISO 2811 Density at 20ºC (68ºF) g/ml 1.96
DIN 51 562 Base oil viscosity at 25ºC (77ºF) mm /s 2
1500
Temperature
Service temperature ºC -35 to +250 (+280
for short periods)
ºF -31 to +482 (+536
for short periods)
ISO 2176 Drop point ºC None
ºF None
ASTMD147880 Low temperature torque test at -20ºC (-4ºF)
Initial break-away torque Nm 195x10-3
Torque after 20 minutes running time Nm 71x10-3
ASTM-D147880 Low temperature torque test at -30ºC (-22ºF)
Initial break-away torque Nm 1360x10-3
Torque after 20 minutes running time Nm 500x10-3
Load-carrying capacity, wear protection, service life
Four-ball tester
DIN 51 350 pt.4 Weld load N 4800
DIN 51 350 pt.5 Wear scar under 400N load mm 1.7
DIN 51 350 pt.5 Wear scar under 1200N load mm 2.0
Almen-Wieland machine
OK load N 13000
Frictional force with OK load N 3500
Resistance
DIN 51 807 pt.1 Water resistance, static evaluation step 0-90
DIN 51 808 Oxidation resistance, pressure drop 100h, bar 0.02
99ºC (210ºF)

2. TYPICAL PROPERTIES (continued)
Standard* Test Unit Result
Corrosion protection
DIN 51 802 SKF-Emcor method
Degree of corrosion 0
Oil separation
DIN 51 817 Standard test % 1.7
* ASTM: American Society for Testing and Materials.
ISO: International Standardisation Organisation.
DIN: Deutsche Industrie Norm.
HOW TO USE LIMITATIONS LIMITED WARRANTY
How to apply This product is neither tested nor INFORMATION - PLEASE
Clean the contact areas. As is usual represented as suitable for medical or READ CAREFULLY
with lubricating greases, apply by pharmaceutical uses. The information contained herein is
means of a brush, spatula, grease-gun offered in good faith and is believed to
or automatic lubrication device. Do not HEALTH AND be accurate. However, because
mix with other greases. If plastics or ENVIRONMENTAL conditions and methods of use of our
elastomers are present, compatibility INFORMATION products are beyond our control, this
tests for swelling and shrinkage, stress- To support Customers in their product information should not be used in
crack formation, changes in strength safety needs, Dow Corning has an substitution for customer's tests to
and hardness, should be carried out. extensive Product Stewardship ensure that Dow Corning's products are
organization and a team of Product safe, effective, and fully satisfactory
HANDLING PRECAUTIONS Safety and Regulatory Compliance for the intended end use. Suggestions
Product safety information required for (PS&RC) specialists available in each of use shall not be taken as
safe use is not included. Before area. inducements to infringe any patent.
handling, read product and safety data
sheets and container labels for safe use, For further information, please see our Dow Corning's sole warranty is that the
physical and health hazard information. website, www.dowcorning.com or product will meet the Dow Corning
The material safety data sheet is consult your local Dow Corning sales specifications in effect at the time
available on the Dow Corning website representative. of shipment.
at www.dowcorning.com. You can also
obtain a copy from your local Your exclusive remedy for breach of
Dow Corning sales representative or such warranty is limited to refund of
Distributor or by calling your local purchase price or replacement of any
Dow Corning Global Connection. product shown to be other than as
warranted.
USABLE LIFE AND
STORAGE DOW CORNING SPECIFICALLY
When stored at or below 20ºC (68ºF) in DISCLAIMS ANY OTHER
the original unopened containers, this EXPRESS OR IMPLIED
product has a usable life of 60 months WARRANTY OF FITNESS FOR A
from the date of production. PARTICULAR PURPOSE OR
MERCHANTABILITY.
PACKAGING
This product is available in different DOW CORNING DISCLAIMS
standard container sizes. Detailed LIABILITY FOR ANY
container size information should be INCIDENTAL OR
obtained from your nearest CONSEQUENTIAL DAMAGES.
Dow Corning sales office or
Dow Corning distributor. WE HELP YOU INVENT THE
FUTURE."
www.dowcorning.com
MOLYKOTE BG 87 High Performance Grease WE HELP YOU INVENT THE FUTURE. is a trademark of Dow Corning Corporation.
2 08/02/2002 MOLYKOTE is a registered trademark of Dow Corning Corporation.
Ref. no. 71-0193B-01 DC 2944 ©0-2002 Dow Corning Corporation. All rights reserved.