Limit Test Of Pre-insulated Bushings
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Each batch of pre insulated sleeve products must undergo 15 pre insulated junction sleeve extreme tests, including "hot and cold shock (-40℃×2h→125℃×2h cycle 500 times), alcohol wiping (500 times without swelling), mechanical shock (drop from a height of 1m without damage)", and the insulated joint sleeve defective rate is strictly controlled within 0.01% (the industry average is 0.05%).
