| Application: | Insulators, Electrical Winding Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate, Bearing |
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| Type: | Tube |
| Chemistry: | Hybrid Insulation |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier Electrical insulation bakelite phenolic tube
1. Production
Phenolic resin cotton cloth tube is tube-like laminated products, which is made of special cotton cloth impregnated with phenolic resin, and then rolled, baked and cured under heat and hot pressing.
2. Property:
Excellent radial tensile strength, good mechanical strength and low water absorption. The insulation class is E class and the main color is coffee.
3 Technology data of Electrical insulation bakelite phenolic tube
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Property Parameter |
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| Executive Standard:JB-T3172-1999(3520) GB-T5132-2009 IEC61212-2006 | |||
| Number | Item | Unit | Value |
| 1 | Density | g/cm3 | 1.2-1.3 |
| 2 | Flexural Strength at Perpendicular Lamination (Under Normal) |
MPa | ≥138 |
| 3 | Axial Compressive Strength | MPa | ≥118 |
| 4 | Dielectric Strength at Perpendicular Lamination (Transformer Oil at 90ºC) |
KV/mm | ≥3.5 |
| (Wall Thickness:3.0mm, Bore Size:20mm) | |||
| 5 | Water Absorption (3mm) | % | ≤5 |
| 6 | Thermal Index | - | 120 |
Suppliers with verified business licenses
Audited Supplier 
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