Epoxy-alkyd varnish modified E521, E521T, E521ATX

Material is one component, for electrical insulation class F 155°C dry in drier.

Application:
- electro technical material class B and F,

Main preferences:
- impregnation lacquer made from modified alkyd - epoxide resin, great dielectric withstand and elastic preferences.
- it is resistant for humidity and transformer oils.
- it is compatible with cables in enamel class B, F and H,
- E521 T (tropical version) meets requirements 41514 NFX.

Material impregnation:
-By immersion, or vacuum. Its good stability allows to impregnate electrical devices, which are hot. However, it cannot be generalised to all motor types.
-lacquer hardens when polymerisation occurs without any oxidation. It is recommended to check if the diluent is removed when the drying begins.  

Polymerisation :
- preliminary component drying (40 4 50°C max.),
- immersion unit air blisters disappear
- drying depends on the weight of impregnated material.
- rise temperature up to 130°C,
- drying:
          class B: 4 hours in temp. 130 4 140°C,
          class F: 4 hours in temp. 150 4 160°C,
- Dry time can be changed according to the component weight,

Storage conditions:
12 months in original and closed package, far away from the sun and heat source

Packing:
-containers 1, 5 , 30 l or barrels 200 l.

Hygiene and protection:
Lacquer consists ksylen.

Preferences: