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AssigneeSaint-Gobain Performance Plastics Corporation
InventorsJennifer Adamchuk, Kyle J. Killam, Frank M. Keese, Gerald A. Elliott
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The present disclosure is directed to laser-markable insulation material and cable or wire assemblies containing such insulation material. In certain embodiments, the laser-markable insulation material can include a fluoropolymer and an inorganic laser-markable pigment. The pigment can have a mean crystal size in a range of about 0.4 microns to about 2 microns and/or a median particle size (d50) in a range of about 0.45 microns to about 2 microns. The insulation material can exhibit improved initial and heat-aged contrast ratios without diminishing the ability of a cable or wire containing the insulation material to meet industry standards for electric-arc tracking and propagation resistance.
A cable assembly comprising a transmission member and an insulation material, wherein the insulation material comprises an inorganic laser-markable pigment and a polymer material, wherein the polymer material comprises a non-melt-processable fluorinated copolymer material in an amount of no greater than 80 wt % based on the total weight of the polymer material and wherein the cable assembly meets the requirements for wet electric-arc tracking and propagation resistance in accordance with SAE AS4373E 4.5.9 Method 509.
Dependencies are inferred from the claim text.