Made in accordance with the applicable rules and low no. 46 of 5th March 1990 and Presidential Decree no. 1095 dated 3rd August 1968, it is an ESENCOR CU DHP copper alloy pipe complying with European Standard EN 1057 -annealed in coils and phosphorous-deoxidised, with minimum 99,9% copper content and 0,015 - 0,040% phosphorous, in compliance with UN1 5649/71 series B, heavy, bearing the marking "ESENCOR Dx thickness EN 1057 CD DHP 99,9% SLM l 00".

Covered with a low-density closed-cell polyethylene foam sheath of a thickness complying with low no. 10/91 that is finished with an outer water-green LDPE extruded film and embossed to ensure improved mechanical protection and appearance. It is non-toxic, odourless and free from chlorofluorocarbons (CFC).