EPUSIL EP 118 T
Equal Ratio, Low viscosity, Non-abrasive
Epoxy Potting and Casting Compound
DESCRIPTION
EP
118 T is a thixotropic version EP 118 an
easy-to-use, equal ratio (by volume), thixotropic
epoxy potting/casting compound, designed for
production dispensing equipment in protecting
electronic components and systems. Ep-118 T
features good electrical and mechanical properties.
PROPERTIES - UNCURED
Part A
Part B
Color,
visual............................……....
Black Gray
Viscosity ,
ASTM-D-2393 (C.P.S)…..
21000-25000 46000 -
52000
Specific
Gravity (gr./cm3
@250
C)…… 1.32
1.44
Mix Ratio
(weight).....................……..
1:1
Mix Viscosity,
ASTM-D-2393 )C.P.S). 35000
- thixotropic
Pot Life @ 25 0C
…………………….. 1 ½ hours
Shelf Life @ 25
0 C
…………………… 12
months minimum
PROPERTIES - CURED
Physical
Hardness,
ASTM-D-2240 (Durometer)……….. Shore D 78
- 82
Tensile
Strength, ASTM D-638……………….. 9500 +/-
200 p,s,i.
Tensile
Elongation, ASTM D-638…………….. 2%-5%
Compressive
Strength, ASTM D-695………… 12500 +/- 300
p.s.i
Coefficient of
Thermal Expansion (cm/cm/0C).
20 *10-6
Electrical
Dielectric Strength,
ASTM D-149 (volts/mil)… 410
Dielectric Constant,
ASTM -D- 150 (60 Hz)…. 3.7
Dissipation Factor,
ASTM -D- 150 (60 Hz)…. 0.01
Volume Resistivity,
ASTM -D- 257 (ohm-cm). 1.0 * 1014
Thermal Conductivity
(W/ m 0C)……………… 0.58
MIXING INSTRUCTION
1.
Pre-mix the contents prior to use to assure
uniformity. Some light settling may occur which can
be easily re-incorporated.
2.
Measure out equal volumes of each component.
3.
Mix thoroughly, scraping both the bottom and sides
of the container.
4.
Pour into cavity or mold.
5.
Re-cover both containers immediately after use.
CURE SCHDULE
Overnight at room temperature (12-16 hours @ 25
0C, or 2 hours at room temperature (25 0C)
and then 2 hours at 55 0C.
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