Polymer insulator shall be tested in accordance insulator specification or clients’ requirements to ensure insulator quality. Polymer insulator testing should be done before insulator shipping.

Polymer insulator testing

According to insulator specification, polymer insulator testing includes
◆ Prototype tests
◆ Design tests
◆ Sample tests
◆ Routine tests

The mechanical of Polymer insulator testing includes
◆ Bending strength
◆ Torsion strength
◆ Cantilever strength
◆ Compression strength
◆ Specified mechanical load

Temperature test and anti-pollution tests are both important tests of polymer insulator testings. Polymer insulator testing including any, insulator manufacturers shall write the data for insulator buyers.

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