Epoxy potting sealants WOC-87-II(A)/2125(B)
■ Description
Two-component encapsulating system based on epoxy resin,formed from auxiliaries including epoxy resin, diluent, compoundamine, cross-linking agent and defoamer by special production processing
Excellent of the surface gloss of the cured epoxy resin, excellentelectrical properties and have flame retardant property.
■ Applications
Encapsulation of electrical components of Capacitor, Igniter, Transformer, trigger and Filter.
■ General properties
Test Item |
Test Mothed/Conditions |
WOC-87-II A |
2125 B |
Appearance |
Visualization |
White viscous liquid |
Slight yellow transparent liquid |
Density |
25º C g/m³ |
||
Viscosity |
40º C mpa.s |
1000 - 5000 |
20 - 50 |
Viscosity(blended) |
40º C mpa.s |
500±200 |
|
Storage validity |
Sealed and storage Temp.below 25º C |
6 months |
6 months |
Ratio of blend |
Weight/Weight |
100 |
20 |
Curing condition |
º C/hrs |
25 º C/24h or 60 º C/3h |
■ Characteristics after curing
Item |
Unit/Conditions |
WOC-87-II A/2125 B |
Hardness |
20º C Shore-D |
>70 |
Insulation Strength |
25º C kv/mm |
≥17 |
Bending Strength |
Kg/cm2 |
≥82 |
Heat/cold Shock Resistance |
-20 to 80º C |
Cycle times: more than 8 |
Flame Retardancy |
UL 94 |
V0 or V1 |
Surface Resistance |
25º C Ω.cm |
>1014 |
Volume Resistance |
25º C Ω.cm |
>1015 |
Curing Shrinkage Rate |
% |
<0.6 |
■ Storage, Packaging
- Sealed and storage Temperature below 25º C after each operation
- Please see the term of validity in each packages
- Packages: A component is 25kg, B component is 10kg or 25kg
- The storage validity is 6 months, a little precipitate shall be occurred provided high temperature. Please stir the material before using.
Note: The above data was tested under the conditions of 70% humidity and 25º C Temperature, This is for your reference only.
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