Scotch-Weld
TM
Epoxy Adhesive
DP-4XL
Typical Cured
Thermal Properties
Note: The following technical information and data should be considered representative
or typical only and should not be used for specification purposes.
DP-4XL
Product
Physical
Color
Shore D Hardness
Thermal
Adhesive
Off-white
81-87
Coefficient of Thermal
Expansion
(in./in./°C)
Glass Transition Temperature via TMA
Electrical
Dielectric Strength (ASTM D 149)
Volume Resistivity (ASTM D 257)
Below Tg
Above Tg
73 x 10 -6
205 x 10 -6
139F (59°C)
1049 volts/mil
8.9 x 10 15 ohm-cm
Handling/Application
Information
Directions for Use
Scotch-Weld Epoxy Adhesive DP-4XL is supplied in a dual syringe plastic Duo-Pak
cartridge as part of the 3M? EPX? Applicator System. The Duo-Pak cartridges are
supplied in 37 ml, 200 ml and 400 ml configurations. To use the 37 ml cartridge
simply insert the Duo-Pak cartridge into the EPX applicator and start the plunger into
the cylinders using light pressure on the trigger. Next, remove the Duo-Pak cartridge
cap and expel a small amount of adhesive to be sure both sides of the Duo-Pak
cartridge are flowing evenly and freely. If simultaneous mixing of Part A and Part B
is desired, attach the EPX mixing nozzle to the Duo-Pak cartridge and begin
dispensing the adhesive.
With the 200 ml and 400 ml cartridges the nozzle must be attached before dispensing
any material to prevent unmixed adhesive from getting into the applicator cartridge
holder. A small quantity of material should be discarded until uniform color,
consistency of product and even flow is evident.
When mixing Part A and Part B manually, the components must be mixed in the
ratio indicated in the Typical Uncured Properties Section of this Technical Data
Sheet (page 1). Complete mixing of the two components is required to obtain
optimum properties.
Two-part mixing/proportioning/dispensing equipment is available for intermittent or
production line use. These systems are ideal for line uses because of their variable shot
size and flow rate characteristics and are adaptable to most applications.
-2-
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