Technical Data Sheet
LOCTITE ECCOBOND LUX A4035T
September-2012
PRODUCT DESCRIPTION
LOCTITE ECCOBOND LUX A4035T provides the following
product characteristics:
Technology Acrylate
Color Pale yellow
Cure Ultraviolet (UV) light, Visible light and
Heat cure
Product Benefits • Single Pack
• Photocurable
• Optical grade
• Thin bondline
Application Assembly
Typical Optic Application Photodiode Arrays and Optical fiber
terminations
LOCTITE ECCOBOND LUX A4035T photocurable adhesive is
formulated to enhance productivity in the assembly of optical,
fiber optic, and optoelectronic devices. In addition to light cure,
this adhesive contains a secondary thermal cure initiator.
TYPICAL PROPERTIES OF UNCURED MATERIAL
Viscosity, Brookfield SP #27, 25 °C, mPa·s (cP):
Speed 10 rpm 500
Shelf Life:
@ 25ºC, days
91
@ 0 to 5ºC, days
183
Flash Point - See SDS
TYPICAL CURING PERFORMANCE
Recommended UV Cure
Light Source:
Ultraviolet (UV) light:
UV Wavelength, nm 365
Light Intensity @ bondline, mW/cm² 50
Visible Light:
Visible (Blue light), nm 470
Light Intensity @ bondline, mW/cm² 100
Secondary Thermal Cure Condition
1 hour @ 100°C or
2 hours @ 80°C
Shrinkage on Cure
Linear Shrinkage on Cure, % 2.4
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.
TYPICAL PROPERTIES OF CURED MATERIAL
Physical Properties :
Coefficient of Thermal Expansion :
Below Tg, ppm/°C 110
Glass Transition Temperature, Tan Δ Max, °C 145
Hardness, Shore D 82
Refractive Index:
@ 589 nm 1.572
@ 633 nm 1.569
@ 830 nm 1.559
@ 1,320 nm 1.548
@ 1,550 nm 1.553
GENERAL INFORMATION
For safe handling information on this product, consult the
Material Safety Data Sheet, (MSDS).
DIRECTIONS FOR USE
1. For UV cure, a wide range of commercially available lamp
systems are available, permitting curing of bond profiles in
seconds coupled with a tack-free surface.
2. This adhesive is formulated to cure upon exposure to
visible (blue) or UV light. Curing with visible light allows
curing of highly filled (up to 80% by weight) grades and
curing through UV opaque substrates (such as
Polycarbonate or Alumina). Use of visible light provides
increased operator safety by eliminating exposure to
potentially harmful UV radiation. UV curing is particularly
advantageous where a very rapid cure of a section is
required.
3. For visible light curing, a light source with a peak output at
470 nm is most efficient. For example, a Luxor 2 or 3
curing lamp delivers an output in excess of 150 mW/cm²
at this wavelength, curing in 1 minute to a depth of 12 mm
unfilled and 6 mm in filled grades.
4. Packages removed from storage should be allowed to
return to ambient temperature before use.
5. A safe yellow light is recommended for visible light
initiated grades during handling prior to use. Dimmed light
may be used if the adhesive is only being handled for
short periods of time.
6. This adhesive contains a secondary thermal cure initiator
to allow cure of bond areas shadowed from light.
7. The adhesive should be light cured first, followed by
thermal cure at 100°C for 1 hour. The minimum
temperature for thermal cure is 85°C with the time
extended to 2 hours.
TDS LOCTITE ECCOBOND LUX A4035T, September-2012
AVAILABILITY
1. This adhesive is available in a variety of syringes, ranging
from 3ml to 30ml.
Storage
Store product in the unopened container in a dry location.
Storage information may be indicated on the product container
labeling.
Optimal Storage : 0 to 5 °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.
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.
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 explicity
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 mechantability 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