Visico LE4423/LE4437
XLPE
北欧化工(Borealis AG)

产品描述
Visico LE4423/LE4437 is a scorch retardant, moisture-crosslinking polyethylene compound for low voltage insulation The combination of a VISICO base material, LE4423, and a tin catalyst masterbatch, LE4437, provides a highly scorch retardant compound with excellent thermal stability. LE4423/LE4437 contains a patented scorch retardant additive (SRA) that increases the processing window for a moisture crosslinking compound and minimizes the tendency for premature crosslinking in the extruder, head or die. LE4437 should be added to LE4423 directly in the extruder hopper by dry blending a ratio of 5 parts LE4437 to 95 parts LE4423. LE4437 also provides, in addition to catalyst, a stabilizaton package containing suitable antioxidants, a metal passivator and a metal deactivator. Properly mixed, during the extrusion process, LE4423/LE4437 exhibits excellent thermal stability to oxidation. LE4423/LE4437 is readily pigmented to a variety of colors using standard wire & cable concentrates designed for thermoplastic or crosslinked polyethylene. UV weather resistance is obtained by the addition of a suitable carbon black or UV additive. Using VISICO LE4432 in place of LE4437 combines a tin catalyst along with the proper carbon black to provide a black, UV resistant, moisture crosslinking cable insulation. Specifications Visico LE4423/LE4437 meets the applicable requirements as below when processed using sound extrusion practice and testing procedure: - Underwriters Laboratories Standards 854 for types USE and USE-2 - EC 502 - NBN C 33-321 - Canadian Standards Association C22.2 No. 1790-00-Airport Series Lighting Cables and C22.2 No. 38 Cable Type RW-90 - NF C33-210 - HD 603 S1 - NF C32-090 - ASTM D 2655 Contact your Borealis representative for additional information.

产品特性：热稳定，阻燃，含卤，绝缘，抗紫外线，抗氧化，铜接触稳定，可交联
颜色形状：本色
成型方式：线缆挤出

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