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EPUSIL U 22
General Purpose,
Flexible Urethane Compound
DESCRIPTION
Epusil U 22 XP is
a unique, low viscosity, two components fast curing,
Flexible polyurethane compound. The cured compound
exhibits high physical and electrical properties
even at elevated temperatures.
PROPERTIES - Uncured
Part A
Part B
Viscosity, cps @ 250C
....................
800+/-300 100-150
Specific Gravity
g/cm3 .................... 1.0
+/-0.05 1.2
Mix Ratio (weight)
..........................
100:60 - 65
Mixed Viscosity
...............................
600 - 800
Mixed Specific
Gravity g/cm3
.......... 1.1+/- 0.05
Gel Time @ 250C,
min
.................... 5
– 7
De-mold Time 250C,
min .................
45
Ultimate Cure 250C
days ..................
7-8
Shelf Life 250C,
months ...................
6 6
PROPERTIES - Cured
Hardness, Shore A
.............................
90 +/- 3
Tensile Strength
kg/cm2
.................… 165+/-
10
Tensile Elongation %
......................… 400
+/- 25
Water Absorption %
........................… <
0.2
Working temperature
0C ....................
-30 to 100
ELECTRICAL
Dielectric Strength
kV/mm .................. 18
Dielectric Constant
...............................
4.0
Dissipation Factor
................................
0.030
Volume Resistivity,
Ohm-cm .......…..... 3*1014
Thermal
Conductivity, W/ m0C
......…... 1.35 +/- 0.05
MIXING INSTRUCTION
1.
Pre mix Epusil U 22 in the original container
2.
Weigh out the required amount of part A
3.
Weigh into 100 parts of Part A 60 - 65 parts of Part
B
4.
Mix thoroughly scraping both sides and bottom of the
mixing container
5.
Pour into mold.
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