Technical Data Sheet
LOCTITE ECCOBOND FP4323
April-2015
PRODUCT DESCRIPTION
LOCTITE ECCOBOND FP4323 provides the following product
characteristics:
Technology Epoxy
Appearance,
Resin (Component A)
Black
Appearance, Hardener
(Component B)
beige
Appearance (Mixture) Black
Product Benefits ● Low CTE for improved thermal
cycling
● High purity
● Thixotropic
● Excellent moisture resistance
● Excellent chemical resistance
Filler Weight, % 65
Filler Type Silica
Mixing Ratio,
by weight
Component A:
Component B
100 : 100
Cure Heat cure
Application Encapsulant - glob top
Typical Assembly
Applications
Chip-on-board and Plastic PGA
applications
Substrates Plastic
LOCTITE ECCOBOND FP4323 liquid epoxy encapsulant glob top is
designed with flow capabilities that allows encapsulation without
flowing beyond the chip.
TYPICAL PROPERTIES OF UNCURED MATERIAL
Part A Properties
Viscosity, Brookfield - RVF, 25 °C, mPa·s (cP):
Spindle 7, speed 2 rpm 172,500
Spindle 7, speed 20 rpm 115,000
Specific Gravity @ 25 °C 1.7
Shelf Life @ 25°C, months 12
Flash Point - See SDS
Part B Properties
Viscosity, Brookfield - RVF, 25 °C, mPa·s (cP):
Spindle 7, speed 2 rpm 250,000
Spindle 7, speed 20 rpm 72,500
Specific Gravity @ 25 °C 1.7
Shelf Life @ 25°C, months 12
Flash Point - See SDS
Mixed Properties
Mixed Viscosity, Brookfield - RVF, 25 °C, mPa·s (cP):
Spindle 7, speed 2 rpm 220,000
Spindle 7, speed 20 rpm 100,000
Specific Gravity @ 25 °C 1.67
Gel Time @ 121ºC, minutes 11
Pot Life @ 25 °C, days 2
Shelf Life @ -40 °C, months 9
Work Life @ 25 °C, hours 48
Flash Point - See SDS
TYPICAL CURING PERFORMANCE
Recommended Cure Schedule
4 hours @ 150°C or
1 hour @ 170°C
Alternative Cure Schedule
2 hours @ 125°C + 4 hours @ 150°C
Substrate Temperature
Temperature, °C 90
The above cure profiles are guideline recommendations. Cure
conditions (time and temperature) may vary based on customers'
experience and their application requirements, as well as customer
curing equipment, oven loading and actual oven temperatures.
A two-step cure will minimize stress.
TYPICAL PROPERTIES OF CURED MATERIAL
Physical Properties
Coefficient of Thermal Expansion ASTM D-3386, ppm/°C:
Below Tg (40 to 120°C) 28
Glass Transition Temperature (Tg) by TMA, °C 174
Thermal Conductivity , W/(m-K) 0.63
Shore Hardness, ISO 868, Durometer D 97
Linear Shrinkage, % 0.43
Extractable Ionic Content, ppm:
Chloride (Cl-) 20
Sodium (Na+) 20
Potassium (K+) 20
Water Absorption, ISO 62 , %:
8 hours @ 100°C 0.25
Electrical Properties
Dielectric Constant / Dissipation Factor, IEC 60250:
1kHz 3.7 / 0.004
100-MHz 3.59 / 0.085
1-GHz 3.44 / 0.075
Volume Resistivity, IEC 60093, Ω·cm 6.2×10
14
Surface Resistivity, IEC 60093, Ω 1.6×10
14
GENERAL INFORMATION
For safe handling information on this product, consult the Safety
Data Sheet, (SDS).
This product is not recommended for use in pure oxygen and/or
oxygen rich systems and should not be used with chlorine or
other strong oxidizing materials.
DIRECTIONS FOR USE
1. For best results, dispense onto substrate warmed to 90°C.
2. LOCTITE ECCOBOND FP4323 may settle upon storage. Each
container must be thoroughly mixed before combining.
3. Mix Part A and Part B separately for about 5 to 10 minutes on a
standard paint shaker to ensure complete dispersion of the filler.
4. Stir with a large spatula to check for lumps.
5. Cold storage will minimize filler settling.
6. Part B may form a crust if exposed to moist air for an extended
period of time. Keep in a well sealed container. For best results,
do not use Part B which contains this crust caused by moisture
contamination.
7. Thorough mechanical mixing of Part A and Part B together is
required for best results. Hand mixing alone is not recommended.
Not for product specifications
The technical data contained herein are intended as reference only.
Please contact your local quality department for assistance and
recommendations on specifications for this product.
Storage
Store product in the unopened container in a dry location. Storage
information may be indicated on the product container labeling.
Optimal Storage (Mixed): -40 °C
Material removed from containers may be contaminated during use.
Do not return product to the original container. Henkel Corporation
cannot assume responsibility for product which has been contaminated
or stored under conditions other than those previously indicated. If
additional information is required, please contact your local Technical
Service Center or Customer Service Representative.
Conversions
(°C x 1.8) + 32 = °F
kV/mm x 25.4 = V/mil
mm / 25.4 = inches
N x 0.225 = lb
N/mm x 5.71 = lb/in
psi x 145 = N/mm²
MPa = N/mm²
N·m x 8.851 = lb·in
N·m x 0.738 = lb·ft
N·mm x 0.142 = oz·in
mPa·s = cP
Disclaimer
Note:
The information provided in this Technical Data Sheet (TDS) including the
recommendations for use and application of the product are based on our
knowledge and experience of the product as at the date of this TDS. The product
can have a variety of different applications as well as differing application and
working conditions in your environment that are beyond our control. Henkel is,
therefore, not liable for the suitability of our product for the production processes
and conditions in respect of which you use them, as well as the intended
applications and results. We strongly recommend that you carry out your own
prior trials to confirm such suitability of our product.
Any liability in respect of the information in the Technical Data Sheet or any other
written or oral recommendation(s) regarding the concerned product is excluded,
except if otherwise explicitly agreed and except in relation to death or personal
injury caused by our negligence and any liability under any applicable mandatory
product liability law.
In case products are delivered by Henkel Belgium NV, Henkel Electronic
Materials NV, Henkel Nederland BV, Henkel Technologies France SAS and
Henkel France SA please additionally note the following:
In case Henkel would be nevertheless held liable, on whatever legal ground,
Henkel’s liability will in no event exceed the amount of the concerned delivery.
In case products are delivered by Henkel Colombiana, S.A.S. the following
disclaimer is applicable:
The information provided in this Technical Data Sheet (TDS) including the
recommendations for use and application of the product are based on our
knowledge and experience of the product as at the date of this TDS. Henkel is,
therefore, not liable for the suitability of our product for the production processes
and conditions in respect of which you use them, as well as the intended
applications and results. We strongly recommend that you carry out your own
prior trials to confirm such suitability of our product.
Any liability in respect of the information in the Technical Data Sheet or any other
written or oral recommendation(s) regarding the concerned product is excluded,
except if otherwise explicitly agreed and except in relation to death or personal
injury caused by our negligence and any liability under any applicable mandatory
product liability law.
In case products are delivered by Henkel Corporation, Resin Technology
Group, Inc., or Henkel Canada Corporation, the following disclaimer is
applicable:
The data contained herein are furnished for information only and are believed to
be reliable. We cannot assume responsibility for the results obtained by others
over whose methods we have no control. It is the user's responsibility to
determine suitability for the user's purpose of any production methods mentioned
herein and to adopt such precautions as may be advisable for the protection of
property and of persons against any hazards that may be involved in the handling
and use thereof. In light of the foregoing, Henkel Corporation specifically
disclaims all warranties expressed or implied, including warranties of
merchantability or fitness for a particular purpose, arising from sale or use
of Henkel Corporation’s products. Henkel Corporation specifically
disclaims any liability for consequential or incidental damages of any kind,
including lost profits. The discussion herein of various processes or
compositions is not to be interpreted as representation that they are free from
domination of patents owned by others or as a license under any Henkel
Corporation patents that may cover such processes or compositions. We
recommend that each prospective user test his proposed application before
repetitive use, using this data as a guide. This product may be covered by one or
more United States or foreign patents or patent applications.
Trademark usage
Except as otherwise noted, all trademarks in this document are trademarks of
Henkel Corporation in the U.S. and elsewhere.
®
denotes a trademark
registered in the U.S. Patent and Trademark Office.
Reference 1
Americas
+1.888.943.6535
Europe
+32.1457.5611
Asia
+86.21.3898.4800
For the most direct access to local sales and technical support visit: www.henkel.com/electronics