Color White
Specific Gravity @ 25°C (77°F) 1.5
to 200°C/392°F
Dielectric Strength, volts/mil 400
Dielectric Constant @ 100 Hz 2.2
Dissipation Factor @ 100 Hz 0.002
Volume Resistivity, ohm-cm 1 x 1012
Arc Resistance, seconds 120
W/m°K 1.85
5 years
RoHS Compliant
CHEMTRONICS
Technical Data Sheet
CW7250
CircuitWorks Boron Nitride Heat Sink Grease
PRODUCT DESCRIPTION
CircuitWorks
Boron Nitride Heat Sink
Grease facilitates heat transfer away from
electrical/electronic components and into
heat sinks. The material exhibits
exceptionally high thermal conductivity with
outstanding dielectric properties
(nonconductive). CircuitWorks
Boron
Nitride Heat Sink Grease shows no creep or
migration over a w ide temperature range. The
grease contains an efficient heat conducting
filler that enhances the effectiveness of heat
sinks on electrical/electronic e quipment.
Exceeds MIL-C-47113 for thermal
conductivity
Noncorrosive
High diele ctric strength
Stable f rom -73°C to 200°C
Nonflammable
TYPICAL APPLICATIONS
CircuitWorks
Boron Nitride Heat Sink
Grease ma y be used for electr onics
applications including:
Effective Thermal Coupler for any
Heat Sink Device
Nonflammable Protective Coating
High V oltage Corona Protection
Excellent for Improving Readings on
Contact Type T hermocouples
Ideal f or Silicone Sensitive
Environments
TYPICAL PRODUCT DATA AND
PHYSICAL PROPERTIES
Usable Temperature
Range
Thermal Conductivity,
Cal-cm/sec-cm2 -°C 4.4 x 10
BTU-in/hr-ft2 -°F 12.35
Shelflife
-73°C/-99.4°F
-3
COMPATIBILITY
CircuitWorks
Boron Nitride Heat Sink
Grease is generally compatible with most
materials used in printed circuit board
fabrication.
Material Compatibility
Ceramic
Good
Clean Metals
Good
Glass
Good
Silicone Resins
Good
Painted Surfaces
Good
Plastic Surfaces
Good
Vulcanized Silicone Rubber
Good
ODP
None
VOC
None
HCFC
None
HFC
None
USAGE INSTRUCTIONS
For industrial use only.
Read MSDS care fully prior to use.
Application:
Apply CircuitWorks
Boron Nitride Heat
Sink Grease directly to surface or use the
application tip. Remove cap from syringe
and gently depress the plunger. Spread the
material in a thin layer on all mounting and
threaded surfaces of the device and the
chassis.
Clean-Up: Wipe away excess material using
a Chemtronics
ControlWipes and
thoroughly clean the surface using
Chemtronics
Electro-Wash PX.
TECHNICAL & APPLICATION
ASSISTANCE
Chemtronics provides a technical hotline to
answer your technical and application related
questions. The toll free number is: 1-800-
TECH-401.
AVAILABILITY
CW7250 3.4 gm / 0.12 oz syringe
ENVIRONMENTAL IMPACT DATA
Ozone depletion potential (ODP) is determined in accordance with the
Montreal Protocol and U.S. Clean Air Act of 1990. Hydrochlorofluorocarbons
(HCFCs) are regulated under the Montreal Protocol as Class II ozone depleting
substances. Volatile Organic Compound (VOC) information is calculated on a
weight basis using the VOC definition of California Air Resources Board
(CARB) Consumer Product Regulations, South Coast Air Quality Management
District (SCAQMD) Rule 102 and the Federal definition published in 40 CFR
51.100(s). Hydrofluorocarbons (HFCs) are not currently regulated.
NOTE:
This information is believed to be accurate. It is
intended for professional end users having the skills
to evaluate and use the data properly.
CHEMTRONICS does not guarantee the accuracy of
the data and assumes no liability in connection with
damages incurred while using it.
CHEMTRONICS
8125 COBB CENTER DRIVE
KENNESAW, GA 30152
1-770-424-4888
Chemtronics, Electro-Wash and CircuitWorks are
registered trademarks of Chemtronics. All rights reserved.
ControlWipes is a trademark of Chemtronics. All rights
reserved.
DISTRIBUTED BY:
REV. C (08/13)
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