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Master Bond adhesives
Borealis Visico™/Ambicat™ LE4423/LE4472 Black, Fast Curing, Silane Crosslinkable LDPE Compound for Weather Resistant Covering/Insulation of Overhead Cables
Categories: Polymer; Thermoplastic; Polyethylene (PE); Low Density (LDPE); Low Density Polyethylene (LDPE), Wire/Cable Grade

Material Notes: Visico LE4423 is a natural, ethylene vinyl silane copolymer that, when combined with the catalyst masterbatch Ambicat LE4472, will undergo an accelerated, moisture-induced crosslinking reaction. This polyethylene compound is highly active and crosslinks rapidly under ambient temperature and humidity conditions, as well as, in a sauna or hot water bath. The combinations of the Visico base material, LE 4423, and the patented sulphonic acid catalyst masterbatch, LE4472, provides a highly scorch retardant compound with excellent thermal stability. LE4423 contains a permanent scorch retardant additive (SRA) that increases the processing window for a moisture crosslinking compound, minimizes the tendency for premature crosslinking in the extruder, head or die and allows the use of a highly active crosslinking catalyst like LE4472. LE4472 should be added to LE4423 directly in the extruder hopper by dry blending at a ratio of 7 parts LE4472 to 93 parts LE4423.

Information provided by the Manufacturer.

Vendors:
Available Properties
  • Density, ASTM D792, Base LE 4423
  • Density, ASTM D792, Catalyst LE 4472
  • Melt Index of Compound, ASTM D1238, LE 4423
  • Tensile Strength, Yield, ASTM D412, Heat Aging (7 Days at 121°C)
  • Tensile Strength, Yield, ASTM D412
  • Elongation at Break, ASTM D412, Heat Aging (7 Days at 121°C)
  • Elongation at Break, ASTM D412
  • Elongation at Yield, ICEA T-28-562, Hot Creep Test (150°C, 0.20 MPa)
  • Tensile Set, ICEA T-28-562, Hot Creep Test (150°C, 0.20 MPa)
  • Electrical Resistivity, ASTM D257
  • Dielectric Constant, ASTM D150
  • Dielectric Strength, ASTM D149
  • Dissipation Factor, ASTM D150
  
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Manufacturer Notes:
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Category Notes
Plastic

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