Smooth Nylon Plastic Rod with 10KV Breakdown Voltage and 78Mpa Tensile Strength
phenolic cotton rod, bakelite cotton rod, insulation cotton rod, cotton laminate rod
Phenolic cotton rod is manufactured from cotton cloth impregnated with phenolic resin under high pressure and heat. This material offers excellent electrical insulation properties, high mechanical strength, and temperature resistance, making it ideal for demanding industrial applications.
Key Features
- Low water absorption rate
- High mechanical strength and durability
- Excellent electrical performance in both dry and moist environments
- High temperature resistance (Class B 130°C)
- Superior dielectric properties
- Excellent machining characteristics
Applications
PCB fixtures, ICT fixtures, drilling machine pads, gears, motors, generators, transformers, switchgear, inverters, and various electrical insulation components.
Specifications
| Material |
Phenolic resin + cotton fabric |
| Available Colors |
Brown, beige, yellow, red |
| Surface Finish |
Smooth |
| Tensile Strength |
78Mpa |
| Flexural Strength |
90-110Mpa |
| Compression Strength |
138Mpa |
| Breakdown Voltage |
10KV |
| Density |
1.25-1.40g/cm³ |
| Heat Resistance |
Class B (130°C) |
| Standard Sizes |
OD 8-200mm × 1m length |
Technical Properties by Grade
| Properties |
Units |
3723 |
3724 |
3725 |
3726 |
| Density |
g/cm³ |
1.25-1.40 |
1.25-1.40 |
1.25-1.40 |
1.25-1.40 |
| Water absorption rate (D-24/23) |
% |
1.7 |
1 |
1.2 |
1 |
| Flexural strength |
MPa |
90 |
95 |
110 |
95 |
| Tensile strength |
MPa |
78 |
- |
- |
- |
| Compression strength (Axial) |
MPa |
138 |
138 |
138 |
138 |
| Insulation resistance (normal condition) |
Ω |
1.0×10⁸ |
- |
- |
- |
| Breakdown voltage (in transformer oil) |
KV |
10 |
10 |
10 |
10 |
| Color |
- |
Natural |
Natural |
Natural |
Natural |
Product Images