china electrical araldite of APG or casting process for transformers and insulator
PRODUCT DESCRIPTION:
| JT 8824A/JT8824 B is epoxy resin system formulated for indoor electrical insulator parts. This product doesn't contain solvent, and has excellent mechanical and electrical performance | Summary |
| Excellent mechanical and electrical performance Properties Excellent heat shock resistance |
| For medium and high voltage indoor electrical insulator parts, such as Application Post insulator, circuit breaker, switch block, bushing and Mechanical components |
Process data (guideline values)
General instructions for preparing liquid resin systems
Long pot life is desirable in the processing of any ARALDITE casting resin system. Mix all of the components together very thoroughly at room temperature or slightly above and under vacuum. Intensive wetting of the filler is extremely important. Proper mixing will result in:
• better flow properties and reduced tendency to shrinkage
• lower internal stresses and therefore improved mechanical properties on object
• improved partial discharge behavior in high voltage applications.
For the mixing of medium- to high viscous Epoxy casting resin systems and for mixing at lower temperatures, we recommend special thin film degassing mixers that may produce additional self-heating of 10-15 K as a result of friction. For low viscous Epoxy casting resin systems, conventional anchor mixers are usually sufficient. The prefilled Epoxy resin and Hardener can be stored at elevated temperature (about 60°C) for up to about 1 week, de-pending on formulation. Intermittent agitation during storage is advisable to prevent filler sedimentation.
Mixing time can vary from 0.5 to 3 hours, depending on mixing temperature, quantity, mixing equipment and the particular application. The required vacuum is 0.5 to 8 mbar. The vapour pressure of the individual components should be taken into account.
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Epoxy resin with APG and Vaccum Casting Drying Plant for Dry type transfomers Images
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