Standard prepregs
Prepreg standard versions
| PREPREG
type series |
Backing
material |
Resin type
|
Color
|
Insu-
lation class as per IEC 85 |
Application
|
| Cable paper and presspaper prepregs
|
|||||
| CPBD | Cable paper
|
Epoxy
|
green
|
E | Adhesive film for bonding generator stampings when screening; layer insulation and cover insulation in small transformers, magnetic coils or low-voltage windings of oil-distribution transformers; winding insulation in excitation windings of starter motors
|
| CTBD | Presspaper
|
Epoxy
|
natural colours
|
E | |
| Aramide paper prepregs
|
|||||
| NPBE | Aramide
paper, NOMEX® |
Epoxy
|
chamois
|
F | Winding insulation for bonding copper conductors in excitation windings of high-voltage machines; insulation of conductor bundles for traction motors; layer insulation in low-voltage windings of dry-type transformers, welding transformers or lifting magnets
|
| NPBF | Aramide
paper, NOMEX® |
Epoxy
|
chamois
|
F | |
| NPIG | Aramide
papier, NOMEX® |
Polyester-
imid |
chamois
|
H | |
| Film prepregs
|
|||||
| PDUG | PEN film
|
modified Epoxy
|
colour-
less |
F | Adhesive film for special applications
|
| HDBD | Polyimide
film |
Epoxy
|
brown
|
F | Insulation film for electronic components and special applications
|
| Multi-layer insulation materials prepregs
|
|||||
| EVBD | TRIVOL-
THERM P |
Epoxy
|
ivory
|
B/F | Layer and winding insulation in dry-type transformers and measuring transformers; adhesive films for insulation cylinders
|
| EVBE | TRIVOL-
THERM P |
Epoxy
|
ivory
|
F | |
| NVBE | TRIVOL-
THERM N |
Epoxy
|
chamois | F | |
| EVID | TRIVOL-
THERM P |
Polyester-
imid |
red*
|
F | |
| PVBD | AKAFOL PH | Epoxy
|
opaque
|
F | |
| Non-woven prepregs
|
|||||
| ELBD | Longitudinal polyester
non-woven |
Epoxy
|
ivory
|
B | Layer insulation in small transformers and choke coils; cover wrapping for transformer windings; conductor covering of profile wires; edging or filling strips in dry-type transformers
|
| EFBD | Glass roving
fabric |
Epoxy
|
ivory
|
B | |
| EFBE | Glass roving
fabric |
Epoxy
|
ivory or dark red
|
F | |
| EFID | Thread-
reinforced polyester non-woven |
Polyesterimid | red*
|
F | |
| GWID | Glass tangled non-woven
|
Polyesterimid | red*
|
F | |
| Fabric prepregs
|
|||||
| GGID | Glass fabric
|
Polyesterimid | white or beige
|
F | Layer insulation in low-voltage windings of cast resin distribution-transformers; winding insulation in pole coils; insulation of armature winding in disc armature motors; armouring for resin cast in dry-type transformers; base material for the manufacture of slot cases in high-voltage machines, of insulation cylinders and GRP sheets
|
| GGID-H | Glass fabric
|
Polyesterimid | red*
|
H | |
| GGID-HT | Glass fabric
|
Polyesterimid | chamois | H | |
| GGBD | Glass fabric
|
Epoxy
|
ivory
|
B/F | |
| GGBE | Glass fabric
|
Epoxy
|
ivory
|
F | |
| GRBE | Glass roving
fabric |
Epoxy
|
white or dark red
|
F | |
| GGHH | Glass fabric
|
Polyimid | brown | C | |
| GGUG | Glass fabric
|
modified epoxy
|
white or beige
|
F | |
* After hardening or heat treatment: yellow
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