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> Glass/Epoxy laminated tube ER-3260 (ETR-GEM/G-11)
Glass/Epoxy laminated tube ER-3260 (ETR-GEM/G-11)
| Application:Dry transformer cylinder ,Industrial winnding core,fuse cutout,fuse tube |
 |
Size
Bore tolerance
Outside diameter tolerance |
|
| Test items |
Unit |
Treatment |
ER-3260 |
| JIS (ANSI) |
ETR-GEM(G-11) |
| Base material |
Glass fabric |
| Resin |
Heat resistant epoxy |
Electrical strength
(Vertical to layer 1 min. in oil) |
MV/m |
C-90/20/65 |
13 |
Breakdown voltage
(Dissipation factor 1 min. in oil) |
MV/m |
20～25 |
Electrical strength
(Parallel to layer 1min. in oil ) |
kV/15mm |
25 |
Breakdown voltage
(Parallel to layer 1min. in oil) |
40～55 |
| Insulation resistance |
MΩ |
108～1010 |
| Dielectric constant(60Hz) |
- |
4.0～5.0 |
| Dissipation factor(60Hz) |
- |
0.01～0.03 |
Flexural strength
(Vertical to layer) |
MPa |
A |
294～392 |
Flexural modulus
(Vertical to layer) |
17,500～23,400 |
Compressive strength
(Parallel to layer) |
249～496 |
Tensile strength
(Parallel to layer) |
230～346 |
| Cleavage strength |
kN |
5.88～7.85 |
Appearnce
after 2hours heat treatment |
℃ |
180℃ OK |
| Water absorption |
% |
E-24/50+D-24/23 |
0.05～1.0 |
| Specific gravity |
- |
A |
1.7～1.9 |
*Test method : JIS K-6911
*Treatment condition
A=Accept state, C=Constant Temperature and humidity , D=Dipping in water E=Electric heating , O=Oil dipping
Starting from the left figures show Time(h)/Temeperature(℃)/Humidity(%)
※The above figures do not show guaranteed value but one of test results . |
