EPUSIL EP - 502
Low Viscosity, Clear Epoxy
DESCRIPTION
Epusil EP 502 is a clear, unfilled epoxy with low
viscosity for general-purpose casting and
impregnation, exhibit excellent electrical and
physical properties.
PROPRTIES - Uncured
EP 502 EPC 9 EPC 290
Color, visual
...................................................
Clear Clear Clear
Viscosity, ASTM-D-2393 (cps @ 250
C)......... 700
250 100-200
Specific Gravity, gr./cm3 @250
C..................… 1.13
1.03 0.98-0.99
Mix Ratio (weight)
............................................
100:17-18 100:50
Mixed Viscosity, ASTM-D-2393 (cps @ 250C).
500-600 350-450
Pot Life 100 gr. @ 250C
(min)..........................
20-25 25-35
Shelf Life @ 250C
(month).............................. 12 12 12
PROPERTIES CURED
Physical
Hardness, ASTM-D-2240 (Durometer)
............ 80-85 (D) 75-78
(D)
Tensile Strength, ASTM-D-638 psi.................. 9200 8600
Tensile Elongation,
ASTM-D-638..(%)............ 2-3 5-6
Compressive Strength, ASTM-D-695 psi......... 13000 11000
Coefficient of Thermal
Expansion.................... 50*10-6
60*10-6
Heat Distortion
Point........................................ 900C 700C
Electrical
Dielectric Strength, ASTM-D-149
(volts/mil)........ 425
425
Dielectric Constant,
ASTM-D-150.......................... 3.8 3.8
Dissipation Factor,
ASTM-D-150............................ 0.038 0.04
Volume resistivity , ASTM-D-257 (ohm-cm)
......... 1.5*1015
1.5*1015
MIXING INSTRUCTIONS
1.
Weigh out required amount of EP 502 and weigh into
it 17-18 parts of EPC 9 or
50 parts of EPC 290 per 100 parts of EP 502.
2.
Mix curing agent in thoroughly
3.
Evacuate for 2-5 minutes if void-free casting is
required.
Pour into cavity, mold, etc.
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