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How many does the composite insulator mechanical strength level have?

Composite insulator types:
Composite insulator can be divided into composite post insulator, polymer cross arm insulator, Composite Railway Insulator, composite pin insulator, composite suspension insulator, polymer line post insulator and polymer hollow insulator. Except composite suspension insulator own its tensile strength, other composite insulators has bending strength.

Composite insulator mechanical strength range:
The tensile strength of composite suspension insulator has 70KN, 100KN, 120KN, 160KN, 210KN, 300KN. Another type’s composite insulator bending strength has 4KN, 6KN, 8KN, 10KN, 12.5KN. Now the first two sentence listed is the commonly used mechanical strength, and some not commonly used are not explained.

composite suspension insulator               composite pin insulator
composite suspension insulator                                       composite pin insulator

Composite insulator test:
Orient power composite insulator must be inspected by technical personnel before shipping. Orient Power own 5000h test report. The product test consists of appearance inspection, dimension inspection, porosity test, cantilever test, cantilever strength test, failing load test,thread test, gauge test, hot water and cold water test and galvanizing test.
Composite insulators mechanical strength adopt sample test method and choose core-time load test. Core-time load test need standard, test specimen, determination of the average failing load of the core and core-time load test.


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