Ningbo SMPPO Electric Co., Ltd.

Products

	Composite Insulator

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The structure of composite insulator consists of following basic parts:
1) CORE is fiberglass reinforced plastics rod which produced from the highest quality materials .It is the component to bear mechanical load and has a minimum tension strength at 1000 Mpa.
2) ENDFITTINGS are made of steel with hot-dip galvanized directly to the rod by a special process.
3) SHEATH & WEATHERSHEDS are produced with high temperature vulcanized silicone rubber compound which exhibit high , long-term hydrophobicity ,high aging resistance , high corona resistance and low permeability to moisture.
4) CORONA RING is made of aluminum.