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Help Center3721 Phenolic Cotton Cloth Rod
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Specifications
Specifications1.Similar NEMA C CE L LE
2.Mechanical and electrical applications
3.Dia: 8mm-200mm
Mechanical and electrical applications;
3721 is better than 3721-1 in mechanical strength;
Temperature grade: E glass (120°C)
Diameter: 8-200MM
Length: 1000mm
Product technology:
Properties |
Unit |
Grade |
|||
Phenolic Cotton Cloth Molded Rod | |||||
3721 |
3721-1 |
3725 |
|||
Flexural strength |
≥ |
MPa |
118 |
88 |
83 |
Tensile strength |
≥ |
MPa |
78 |
— |
— |
|
Compressive strength (Axial) |
≥ |
MPa |
— |
— |
138 |
|
Breakdown voltage Parallel to laminations (in transformer oil) |
≥ |
kV |
10 (20±5°C) |
— |
10 (20±5°C) |
|
Insulation resistance parallel to lamination A: Under normal conditions D-24/23:Immersion in water |
≥ |
W |
1.0×108 — |
— — |
— — |
Density |
g/cm3 |
(1.25-1.40) |
|||
|
Water absorption rate (D-24/23, Φ25) |
≤ |
% |
1.0 |
1.0 |
1.0 |
Flammability |
Class |
— |
— |
— |
|
Color |
— |
Natural |
|||
Reference standard |
— |
Q/TXXFR004-2009 |
|||
Application: Used as insulating structural parts in machine, electrical equipment, also used under humidity environment and in transformer oil
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