Parflex engineers have developed No. 518D non-conductive thermoplastic hose to withstand the harshest environments, both internally and externally. The core material in the hose is highly resistive to hydraulic fluids with aggressive additives that move through the hose over time (permeation). Parflex gave the No. 518D a special reinforcement package to reduce the reinforcement diameter, allowing for an increase in the thickness of the PFX cover. In lab studies, this improvement provided as much as five times more abrasion resistance than the current thermoplastic hoses used in this application. The No. 518D is available in 1/8", 3/16" and 1/4" sizes.