Sealing materials ( Sealing Cord ) for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water Non- hardening jointing compounds conforming to BS specification EN 751- 2- 1997 class ARP compound with DVGW/ CSA/ NSF/ ANSI- 61/ AS- NZS- 4020 approval, Accepted LOCTITE ( R ) 55TM OR EQUIVALENT. PACKING: IN 150 METERS SPOOL.