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EPUSIL U 233
General purpose,
Low Viscosity,
Electrical potting and casting
Urethane compound
DESCRIPTION
Epusil U 233 is a unique,
law viscosity, two components fast curing
polyurethane casting compound. The cured compound
exhibits high physical and electrical properties
even at elevated temperatures.
PROPERTIES - Uncured
PART A
PART B
Viscosity, cps @ 250C
................….... 600 –
800 100-150
Specific Gravity g/cm3
.................…... 1
+/-0.02 1.2 +/-0.02
Mix Ratio (weight)
......................….... 100:45
Mixed Viscosity
..........................…..... 400-600
Mixed Specific Gravity g/cm3
......….... 1.07 +/-0.02
Gel Time @ 250C, min
..............…...... 19 – 21
De-mold Time 250C, hr
..............…..... 5-6
Ultimate Cure 250C days
............…...... 7-8
Shelf Life 250C, months
...............…....
6 6
PROPERTIES - Cured
Hardness, Shore A
....................…....... 78 - 88
Tensile Strength kg/cm2
...........…….... 100 +/- 10
Tensile Elongation %
................…….... 50 - 60
Water Absorption %
...................…..... < 0.2
Working temperature 0C
.............…..... 100
ELECTRICAL
Dielectric Strength kV/mm
............….... 18
Dielectric Constant
....................…........ 4.0
Dissipation Factor
.........................….... 0.030
Volume Resistivity, Ohm-cm .......……..
3*1014
MIXING INSTRUCTION
1.
Pre mix Epusil U 233 in the original container
2.
Weigh out the required amount of part A.
3.
Weigh into 100 parts of Part A 45 parts of Part B.
4.
Mix thoroughly scraping both sides and bottom of the
mixing container.
5.
Pour into mold.
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