Home >> Nonmetallic materials >> Impregnating compounds: EPK-24-1 (TU 2257-395-56897835-2005), PK-34 (TU 2252-433-56897835-2008)

Impregnating compounds: EPK-24-1 (TU 2257-395-56897835-2005), PK-34 (TU 2252-433-56897835-2008)

Properties

Values

EPK-24-1

PK-34

Viscosity, using the device VZ-4 at 20-25 оС, sec, no less than

80

40

Operating temperature range, оС

-60 - 120

-60 – 90

Dielectric permeability at 106 Hz after curing (in normal conditions, 20 days)

3,8

2,8

Dielectric loss factor at 106 Hz

after warming (at 60оС, 10 hours)

after curing (in normal conditions, 30 days)

 

0,030

0,031

 

0,035

0,023

Ρv, Ohm∙m (at 60 оС, 12 hours), not less

1,0∙1013

(0,25-1,0)∙1013

Ρs, Ohm (at 60 оС 12 hours)

3,8∙1013

5,0∙1012

Electric strength, kV/mm

22 - 24

20 - 23

- For impregnating transformers (for example, toral and toroidal form).

Impregnating compounds are delivered as complete of two components.






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