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MANVAR-65 ER

MANVAR-65 ER is an electric insulating heat curing impregnating varnish based on alkyd phenolic resin.The material does not contain by recipe

substances listed in Restriction of Hazardous Substances (RoHS) Directive (2002/95/EC).


CProolpouerr taynd appearance [*] 

Solids content [*]

Viscosity at 230C [*]

Density at 230C

Flash point by closed cup

Recommended Thinner

Compatibility with Thinner 205 [*]

Storage life [*]

DBI 1001 [**]

DBI 1022 [**] 1.5 g/1300C/2 h

DBI 1015A [**]  DIN 53211/cup No. 4

ISO 1675

DBI 1001 [**]


DBI 1006 [**]

When stored in original sealed container at RT


%

s

g/ml

&C


-

months

Brown and clear

47-49

40-60

0.97 (typical)

29 (typical)

Thinner 205

1 : min 1

12


AREAS OF APPLICATION

  In electrical machines, MANVAR-65 ER is used both for manufacturing and repairing the following Thermal class F (130) objects:

   -Standard motors

   -Generators

  -Transformers

  -Drives in the chemical industry

  -Drives for ships.

PROPERTIES OF CURED MATERIAL

  The cured material displays very good film formation and resistance to chemicals. The relatively elastic varnish film has very favourable temperature 

   cycling behavior. A reduction in the degree of hardness of enamelled wires generally used does not occur if the components are property impregnated.

APPLICATION METHODS

 MANVAR-65 ER is processed by all conventional impregnating methods, such as dipping, rolling or flooding. It can also be processed under vacuum. In   this case, the vacuum should not drop below 20 mbar to avoid high solvent evaporation. The most advantageous impregnating method in each case   depends on the given technical possibilities of the plant, the structure of the components, and the demands placed on the object to be   impregnated under operating conditions.

MANVAR-65 ER displays low susceptibility to the influence of foreign substances, such aspunching grease, oils or primers, however, contamination of the varnish should be avoided as much as possible. A#er drainage time of 15-45 minutes at room temperature, the product is cured in the circulating-air oven at the temperatures and periods of time given. For large objects or those with a complicated winding structure a two-stage curing process is recommended to ensure removal of the solvents..