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> Paper/Phenolic laminated tube PR-1311(PTR-PEO)
Paper/Phenolic laminated tube PR-1311(PTR-PEO)
Application:Insulating washer,insulating collar,transformer winding core,insulating color,bobbin, feed roller
Food sanitation law compliant |
Size
Bore tolerance
Outside diameter tolerance
| Test items |
Unit |
Treatment |
PR-1311 |
| JIS (ANSI) |
PTR-PEO |
| Base material |
Paper |
| Resin |
Phenolic |
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 |
20～35 |
Electrical strength
(Parallel to layer 1min. in oil ) |
kV/15mm |
25 |
Breakdown voltage
(Parallel to layer 1min. in oil) |
40～55 |
| Insulation resistance |
MΩ |
104～106 |
| Dielectric constant(60Hz) |
- |
4.0～5.5 |
| Dissipation factor(60Hz) |
- |
0.03～0.06 |
Flexural strength
(Vertical to layer) |
MPa |
A |
118～176 |
Flexural modulus
(Vertical to layer) |
3,920～4,900 |
Compressive strength
(Parallel to layer) |
127～186 |
Tensile strength
(Parallel to layer) |
98～147 |
| Cleavage strength |
kN |
2.94～3.92 |
Appearnce
after 2hours heat treatment |
℃ |
120℃ OK |
| Water absorption |
% |
E-24/50+D-24/23 |
0.5～0.8 |
| Specific gravity |
- |
A |
1.2～1.35 |
*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 .
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