Main Products: FR4 G10 G11 ,3240 Epoxy fiberglass laminated sheet ,3025 phenolic cotton cloth laminated sheet ,3021 phenolic paper laminated sheet bakelite ,dmd dm electrical insulation paper
3721 phenolic cotton cloth rod
USD $2 - $5 /Kilogram
Min.Order:100 Kilograms
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New Light (Xuchang) Electrical Insulation Materials Limited
Business Type: Trading Company
Xuchang Henan ChinaMain Products: FR4 G10 G11 ,3240 Epoxy fiberglass laminated sheet ,3025 phenolic cotton cloth laminated sheet ,3021 phenolic paper laminated sheet bakelite ,dmd dm electrical insulation paperProduct Details
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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