Automotive Wire Compound Passes SAE 3000-Hr Test.A developmental automotive wire-insulation compound of crosslinked LDPE LDPE abbr. low-density polyethylene copolymer copolymer: see polymer. is said to be the first product to meet the requirements of the SAE J1678 standard for "Low Voltage Low voltage is an electrical engineering term that broadly identifies safety considerations of an electricity supply system based on the voltage used. While different definitions exist for the exact voltage range covered by "low voltage", the most commonly used ones include "mains Ultrathin ul·tra·thin adj. Very thin. Wall Primary Cable," which requires 3000-hr heat aging at 125 C. While SAE J1128 has a similar spec for under-hood wiring, it pertains to 16-mil insulation thickness, rather than the 10 mils of the new rating. The need for thinner insulation is the result of shrinking engine-compartment space. New Petrothene XLWCO47 from Equistar Chemicals, LP, Houston, reportedly has processing characteristics indistinguishable from the company's standard Petrothene crosslinked automotive wire-insulation products. |
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