Technical Data Sheet
LOCTITE ECCOBOND UF 3800
September-2012
PRODUCT DESCRIPTION
LOCTITE ECCOBOND UF 3800 provides the following product
characteristics:
Technology Epoxy
Appearance Black liquid
Cure Heat cure
Product Benefits ● High Tg
● Reworkable
● One component
● Room temperature flow capability
● Fast cure at moderate temperatures
● Minimal stress on other components
● Compatible with most Pb-free and
halogen-free solders
● Stable electrical performance in
temperature humidity bias
Application Underfill
Typical Package
Application
Chip scale packages and BGA
LOCTITE ECCOBOND UF 3800 reworkable epoxy underfill is
designed for CSP and BGA applications. It cures quickly at
moderate temperatures to minimize stress to other
components, and when cured provides excellent mechanical
stress protection for solder joints.
TYPICAL PROPERTIES OF UNCURED MATERIAL
Viscosity, Physica MCR100 @ 25°C, mPa∙s (cP):
Spindle CP50-1, Shear Rate 100s
-1
375
Specific Gravity 1.13
Pot Life @ 25ºC, days 3
Shelf Life @ -20°C, days 274
Flash Point - See SDS
TYPICAL CURING PERFORMANCE
Cure Schedule
≥8 minutes @ 130°C
The above cure schedules represent actual bondline/material
temperatures.
The above cure profile is a guideline recommendation. 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.
TYPICAL PROPERTIES OF CURED MATERIAL
Physical Properties :
Coefficient of Thermal Expansion ppm/°C:
Below Tg, ppm/°C 52
Above Tg, ppm/°C 188
Glass Transition Temperature (Tg) by TMA, °C 69
Storage Modulus, 25°C, GPa 3.08
Electrical Properties:
Dielectric Constant @ 23ºC :
@ 1GHz 2.97
@ 2GHz 2.8
Dissipation Factor @ 23ºC:
@ 1GHz 0.0174
@ 2GHz 0.0022
GENERAL INFORMATION
For safe handling information on this product, consult the
Safety Data Sheet, (SDS).
Rework Procedure
1. Heat part to 240°C or greater using a hot air nozzle on
standard BGA rework equipment.
2. The component can then be twisted and removed.
3. Residue can be removed by using a tacky or liquid flux
with a soldering iron.
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: -25 to -15°C. Storage below -25°C or
greater than -15°C can adversely affect product properties.
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, Inc.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 N/A
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