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JT2252 Vacuum Casting Process for Instrument Transformer

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JT2252 Vacuum Casting Process for Instrument Transformer

Country/Region china
City & Province guangzhou hebei
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Product Details

Wholesale casting resin and liquid epoxy resin (NPEL_9225) and Electrical insulation epoxy resin for molds and transform 

Product Description

Indoor electrical insulation parts for medium and high voltage equipment ,such as switchgears and electrical components.Encapsulation of large metal parts.Recommended for application with long term stresses up to service temperature of 85℃.

 

Liquid ,hot-curing casting resin system with high glass transition temperature for producing casting insulation parts with excellent mechanical end-properties and very high thermal shock resistance.

Epoxy resin
JT2252A
100pbw
 
Hardener
JT2252B
100pbw
 
Filler
Silica flour
340-380pbw
 
Color paste
JT009
3pbw
 

Vacuum casting process of instrument transformer

 

Resin model:

Resin/ Hardener / Silica powder = XXX : XXX : XXX (pbw)

 

1) Material Pouring:

 

 

2) Curing

 

  1. Initial Gelatin:8h@80 °C + 2h@100 °C+ 6h@130°C;

 

  1. Demould:Act slightly, try to shorten the demould time, after demoulding, put the casting parts into the oven within 5minutes, and cooling with the furnace

 

  1. Taking out of furnace:cooling to below 40 °C before taking casting parts out of furnace

 

3) Remark

This process is for reference only, the exact one should be adjusted as per the casting parts and casting equipment.

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