External protection
Closed-cell expanded polyethylene coating with an average water vapor diffusion resistance factor “µ” greater than 15,000 . The insulating sheath is produced in full compliance with European Regulation EEC/EU 2037/2000 which requires the use of expanded insulating sheaths without the use of CFCs and HCFCs, gases harmful to health and the environment, and has a fire behavior of class BL-s1-d0 according to EN 13501-1.
