33kv polymeric pin insulator is applied to high voltage power line service.And have features of good hydrophobicity ,anti-ageing.anti-leakage trace and electric erode proof,tensile strength and bending strength,strong mechanical strength,shock resistance and brittle failure proof,light weight,easy to installation,and the installation size of top and base are the same size with porcelain in type, they can exchange to use each other
http://www.laurence-group.com/....mv-switch-gear/polym
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