EPUSIL EP 1990 DV
Flexible adhesive
with high thermal shock resistivity
DESCRIPTION
Epusil EP-1990
is a two-component flexible epoxy adhesive
displaying excellent adhesion to metals and
ceramics. The Epusil EP 1990 has thermal shock
resistance over a medium range of temperatures and
its flexibility avoids any deformation between the
adhesive articles.
PROPERTIES -
UNCURED
EP 1990 (A)
EPC 1990 (B)
Color, visual
........................................
Gray Off white
Specific Gravity, g/cm3
........................
1.35 1.22
Viscosity, cps @ 250 C
........................ 80000-10000
100000-130000
Mix Ratio, (Volume) ...........................
100 100
Pot Life @ 250 C ,
min.........................
80-90
Curing Time @ 250C
..........................
2 - 3 hrs.
Shelf Life @ 250C (months)
…......….. 12 min
PROPERTIES CURED
Test Methods
Limits
Lap Sear Strength, Al/Al kg/cm2
............. ASTM-D-1002
165-175
Steel/steel kg/cm2
..….
225-235
Service
Temperature
ASTM-D-794
Continues use, 0C……
-40 to 85
Intermittent
use……..
-40 to 130
Hardness, Shore D
...................................
ASTM-D2240 58-62
Tensile Elongation (bulk)(%)
...................
ASTM-D-638 38-44
Flexibility
.................................................
Semi-Flexible
Dielectric Strength
(kV/mm).....................
ASTM-D-149 16
Volume resistivity
(ohm-cm).....................
ASTM-D-257 1014
Dissipation Factor
……………...............
ASTM-D-150 0.02 to 0.03
Dielectric constant
………………...........
ASTM-D-150 4.2 to 4.4
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