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EPUSIL U 205
Low viscosity,
fast cure, Flexible casting urethane compound
Flame class UL 94
V - 0
DESCRIPTION
Epusil U 205 is a low viscosity, two components fast
curing, flexible polyurethane potting compound. U
205 approved UL 94 V 0 standard.
PROPERTIES - Uncured
PART A
PART B
Viscosity, cps @ 250C
.......................
3.000+/-500 100-150
Specific Gravity g/cm3
.......................
1.3+/-0.2 1.22
Mix Ratio (weight)
.............................
100:10
Mixed Viscosity, cps @ 250C
............. 2500-3000
Gel Time @ 250C, min
...................... 40
to 50
De-mold Time 250C, hr
..................... 7
to 8
Ultimate Cure 250C days
................... 6 to 7
Shelf Life 250C, months
.....................
6 6
PROPERTIES - Cured
Hardness, Shore A ...............................
40+/-5
Tensile Strength kg/cm2 ......................
45+/-5
Tensile Elongation % ............................
40+/-5
Water Absorption % .............................
<0.2
Working temperature 0C
....................... (-)500
to 1000
ELECTRICAL
Dielectric Strength kV/mm ....................
18
Dielectric Constant (100 Hz) ................
5.8
Dissipation Factor (100 Hz)....................
0.12
Volume Resistivity, Ohm*cm ................
1.7*1013
MIXING INSTRUCTION
1.
Pre mix Epusil U 205 in the original container.
2.
Weigh out the required amount of part A.
3.
Weigh into 100 parts of Part A 10 parts of Part B.
4.
Mix thoroughly scraping both sides and bottom of the
mixing container.
5.
Pour into mold.
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