EPUSIL EP 333 PW
Self-extinguishing Casting Compound Flame Class 94
V - 0
DESCRIPTION
Epusil EP 333 PW
is a low viscosity, self-extinguishing epoxy potting
and casting compound which conforms to Underwriters
Laboratories standard 94 flame class. It is used
where low viscosity for penetration and flow is
necessary and where self-extinguishing properties
are important.
PROPERTIES - UNCURED
EP 333 PW
EPC 69/74
Color,
visual................................
Black/Red Clear
Viscosity @ 250. C
(cps)............
3500-4300 200-300
Specific Gravity..gr./cm2............
1.45-1.48 0.98-1.02
Mix
Ratio....................................
100:13.5
Mix Viscosity,
cps.......................
2900-3300
Pot Life @ 250 C (100
gr.)..........
55-70 min
Gel Time @ 250 C (100
gr.)........ 80-95
min
Shelf Life @ 250
.........................
12 months min
PROPERTIES - CURED
PHYSICAL
Mold release
time.........................
5-6 hrs
Hardness, ASTM-D-2240 (Durometer)
Shore D 75-80
Volume
Shrinkage........................
< 0.2%
Thermal Conductivity acc. to VDE
0.35 - 0.50 W/m0K
Coefficient of linear
Expansion.....
35-45*10-6 1/K
Flammability acc. to UL 94
standard V-O
ELECTRICAL
Dielectric Strength, [acc. to DIN
464481] 18 kV/mm
Dielectric
Constant, ASTM -D- 150
4.0-4.2
Dissipation Factor, ASTM -D-
150 0.015
Volume Resistivity, ASTM -D-
257 1015
Ohm/cm
MIXING INSTRUCTION
1.
Mix the contents of EP 333 PW in its original
container.
2.
Weigh out required amount of Epusil EP 333 PW.
3.
Weigh into appropriate curing agent:
EPC 69/74 - 13.5 parts per hundred parts of EP 333
PW
EPC 9 - 7.5 to 8 parts per hundred parts of EP 333
PW
EPC 11 - 8.5 to 9.5 parts per hundred parts of EP
333 PW
4.
Mix thoroughly, being careful to scrap sides and
bottom of container to ensure
proper blending.
5.
Evacuate for
5
to 10 minuet if required.
Pour into cavity or mold.
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