Non-Contaminating Vinyl (NCV)April 29th Fact-of-the-Day
Chemical plasticizers in coax cable jacket material, such as PVC, can leach or migrate through coax cable shields over time and contaminate the dielectric insulating material between the shield and center conductor. Plasticizer contamination changes the electrical characteristics of dielectric and degrades coax cable performance characteristics. That problem can be avoided or reduced by purchasing coax cable that has a Non-Contaminating Vinyl (NCV) outer jacket rating. NCV rated cable costs more, but tends to retain its original characteristics much longer. When compared to ordinary cable on a cost-over-useful-lifespan basis, NCV cable actually costs less. If replacement labor cost is added to the comparison, NCV cable costs much less. 'Bargain-priced' coax cable often isn't the bargain it seems to be. ©2005 Martek International All rights reserved.
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