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EPUSIL U 232 MY - S
Electrical
potting and casting
Urethane compound
self-extinguishing.
DESCRIPTION
Epusil
U 232 MY - S is a unique, moderate viscosity, two
components fast curing polyurethane casting
compound. The cured compound exhibits high physical
and electrical properties even at elevated
temperatures. Epusil U 232 MY - S meets the UL 94
V-0 standard.
PROPERTIES -
Uncured
PART A
PART B
Viscosity, cps @ 250C
.................... 6500 -
7500 100-150
Specific Gravity
g/cm3 .................... 1.6
+/-0.03 1.2
Mix Ratio (weight)
..........................
100:16
Mixed Viscosity
...............................
3500-5000
Mixed Specific
Gravity g/cm3
.......... 1.53
Gel Time @ 250C,
min .................... 45
- 50
De-mold Time 250C,
hr ................... 3-4
Ultimate Cure 250C
days .................. 7-8
Shelf Life 250C,
months ...................
6 6
PROPERTIES - Cured
Hardness, Shore D
.............................
45-50
Tensile Strength
kg/cm2
..........…....... 220
+/- 10
Tensile Elongation %
..................….... 25
+/- 0.2
Compressive Strength
kg/cm2
......….... 250 - 280
Water Absorption %
..........................
< 0.2
Flammability Rating
...........................
UL 94 - V - 0
Working temperature
0C
.................…. 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 ......…...
0.8
MIXING INSTRUCTION
1.
Pre mix Epusil U 232 MY -S in the original
container.
2.
Weigh out the required amount of part A.
3.
Weigh into 100 parts of Part A 16 parts of Part B.
4.
Mix thoroughly scraping both sides and bottom of the
mixing container.
5.
Pour into mold.
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