- Gaskets[7]
- Brake System[7]
- Seals[7]
- Plastic Sheets[7]
- Asbestos Products[7]
- Other Rubber Products[7]
- Other Heat Insulation Materials[7]
- Contact Person : Mr. wen jason
- Company Name : Qingdao CSP Machinery Industry Product Co., Ltd.
- Tel : 86-0532-85613509
- Fax : 86-0532-85613509
- Address : Shandong,qingdao,sifang ,chongqing south road NO 79
- Country/Region : China
- Zip : 266033
insulating rod Phenolic Cotton Cloth Laminated Rod
Mechanical and electrical applications;
3721 is better than 3721-1 in mechanical strength;
3721-1 is an economical product versus 3721.
3725 Similar to NEMA grade LE.
Temperature grade: E glass (120°C)
Color: nature
Diameter: 6-200MM
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 | |||
insulating rod Phenolic Cotton Cloth Laminated Rod
