BACKLACK prepregs
The BACKLACK system "VST" (Baking instead of impregnating), represents a proven alternative to conventional insulation and impregnation processes.
Standard types of BACKLACK prepregs for VST engineering
| PREPREG
type series |
Backing material
|
Resin type
|
Colour
|
Insulation class as per IEC 85
|
Application*
(VST windings) |
| CTBD-VST | Presspaper
|
modified epoxy
|
natural colours
|
E | Slot insulation or slot closures in electric motors
|
| CVBD-VST | TRIVOLTON H | modified epoxy
|
green
|
B | |
| EDBD-VST | Polyesterfilm | modified epoxy
|
chamois | B | |
| EVBD-VST | TRIVOLTHERM P | modified epoxy
|
white
|
F | |
| NVAD-VST | TRIVOLTHERM N | Copolyamid | chamois | F | |
| NVBD-VST | TRIVOLTHERM N | modifiziertes
Epoxid |
chamois | F |
* Thermal treatment is not necessary;
the cooling time is sufficient as subsequent thermal treatment time.
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