Technical Data Sheet
Dobeckan® FT 2005/500 EK
One component Unsaturated Polyesterimide UL approved
thermal Class 200 VPI resin
January 2022
ELANTAS Beck India Ltd.
Marketing Head Office,
147, Mumbai Pune road,
Pimpri,
Pune 411018
India
Tel +91 20 67190 600
Fax +91 20 67190 792
www.elantas.com/beck-india
Description and processing should not exceed 25oC.
Dobeckan FT 2005/500 EK is a one- The resin is to be protected from light.
component,unsaturated polyesterimide Before relatively long rest periods, the
based electric insulating impregnating temperature of the impregnating resin in
resin. The material does not contain by the storage container should
recipe substances listed in Restriction of advantageously be cooled down to 10 –
Hazardous Substances(RoHS) Directive 20oC.
(2002/95/EC)
Areas of Application Pot life
Dobeckan FT 2005/500 EK is available for
In electrical machines, Dobeckan FT special requirements with respect to
2005/500 EK is used both for impregnating bath stability of 6 months at
manufacturing following Thermal class C
(200) objects: 23 0 C combined with the advantages of
⚫ Traction motors
a vinyl toluene- containing resin, such as
⚫ Standard motors
low vapour pressure
⚫ Large Special machines
⚫ Dry type transformers The resin should be stored at a
temperature below 250C in original sealed
Properties of cured material containers. At this temperature, the resin
The hard cured material has very good will remain good for 6 months. At higher
mechanical and dielectric properties. The storage temperature the storage life would
high bonding strength of windings decrease. The resin container should not
impregnated with Dobeckan FT 2005/500 be exposed to sun light to avoid premature
EK even at high temperature should be gelation.
stressed in particular. The cured material During storage in godown or in the tank if
also displays good resistance to solvents reduction in gel time is observed then
and their vapours, oil and other chemicals. required quantity of Inhibitor UP1 should
Application Method be incorporated in the activated resin. For
Dobeckan FT 2005/500 EK is processed further details refer technical data sheet of
according to all impregnating methods Inhibitor UP1 (TDS 3-42)
conventional in electrical machines and
transformer construction, such as dipping
or flooding. Owing to the low vapour
pressure of the vinyl toluene, impregnation
under vacuum or vacuum pressure and
dip-rolling of preheated components is
possible. With a resin throughput of > 15%
per week Dobeckan FT 2005/500 EK can
also be processed practically without
restriction of pot life. Losses of vinyl
toluene occurring during impregnation
under vacuum should be replaced
regularly to ensure uniform viscosity. Since
the resin is a highly reactive system, the
temperature of the resin during storage
Dobeckan FT 2005/500 EK Page 2 of 4 Rev 16, May 2019
Properties of Dobeckan FT 2005/500 EK as supplied
Colour & appearance [*] DBI 1001[**] Brown Clear liquid
Viscosity at 23oC[*] DBI 3005 [**] mPa.s 480-520 [+]
Brookfield
Density at 23oC ISO 1675 g/ml 1.05
Recommended Diluent Diluent V
Flash point DBI 1005 [**] (closed oC 51 (typical)
cup)
Storage stability [*] When stored in original months 6
0
sealed container at 25
C or below
[*] These properties form our sales specification
[**] DBI are internal test methods and are available on request.
[+]Viscosity and Gel time values are likely to change during the shelf life period & 0.3% of
Inhibitor UP1 is recommended for storage >4months from month of mfg.
Gelling & recommended Curing Cycle :
Gelling time at 120° C [*] DBI 3026[**] min 20-40
4 hour at 160oC
The suggested curing time is after the unit attains specified temperature. Depending upon
the size and weight of the unit, heating time is required to be added.
Cured Film Properties :
Curing in thick layer DBI 3007 [**] Top
Bottom NT
Inside
at RT 290 N
Bond Strength IEC 61033 At 155oC 80 N
At 180oC 70 N
Temperature Index as per UL 1446 (File # E253938) :
By Proof voltage, twisted pair 1000 V o
208
C
By Bond strength, Helical coil 22 N 221
Dobeckan FT 2005/500 EK Page 3 of 4 Rev 16, May 2019
o
Dielectric Properties Specimen Curing - 4 h at 160 C
at RT 115
Dielectric strength as per o
at 220 C kV/mm 68
IEC 60455-2
after 24 h water immersion at RT 99
16
Volume resistivity at 500 V at RT 10
ohm.cm 15
DC as per IEC 60455-2 after 168 h water immersion at R.T. 10
Dielectric constant at 30 V/1 at RT NT
0 -
kHz as per IEC 60455-2 at 155 C NT
Dielectric loss factor 30 V/1 at RT NT
0 -
kHz as per IEC 60455-2 at 155 C NT
Resistance against solvents & chemicals
Solvent resistance as per 10% H2SO4 No Change in colour -
IEC 60455-2 2% NaOH -
No Change in colour
Packaging
Dobeckan FT 2005/500 EK : 25 & 210 kg in EP lined M.S. containers
Diluent V : 21 kg in EP lined M.S. containers
Safe Handling
Dobeckan FT 2005/500 EK is a flammable liquid. Use foam, CO2 or dry chemical powder for
fire fighting. Inhalation and direct contact with the skin should be avoided. In case of contact,
the affected area should be washed with soap and plenty of water. For further details refer
respective material safety data sheet.
Desclaimer
This information is intended only for general guidance in the application of our product. It
has been obtained by careful investigation and represents the present state of our
knowledge and experience. Because of the large number of possible methods of application
and processing we are not able to assume responsibility in any one particular case for either
the technical results or the patent rights situation applicable to the country under
consideration
Technical Services Department Regional Offices:
147, Mumbai-Pune Road, • Bengaluru: Tel: (080) 6972 0871, 6792 0872
Pimpri, • New Delhi: Tel: (011) 2341 1664, 2341 2940
Pune 411018 Fax: 2341 3408
India • Pune: Tel: (020) 67190 673
Tel +91 20 67190 720/722 Fax: 67190 792
Fax +91 20 67190 792 • Kolkata: : Ph:033-44000500
Dobeckan FT 2005/500 EK Page 4 of 4 Rev 16, May 2019
