| abstract |
The present invention relates to a polyvinyl chloride (PVC) flame retardant material for electric wires, based on 100 parts by weight of a polyvinyl chloride resin having a polymerization degree of 1,000 to 1,700, alkyl (carbon number: 12 to 16) diphenyl ester / phosphoric acid 40 to 80 parts by weight of the mixture and brominated plasticizer, 50 to 100 parts by weight of flame retardant alone or mixed with alumina trihydrate, magnesium hydroxide, hydrated or hydromagnesite as flame retardant, 5 to 20 parts by weight of ammonium octamolybdate, It is characterized by consisting of 1 to 10 parts by weight of zinc borate and 1 to 10 parts by weight of antimony (III) oxide (Sb 2 O 3 ). The flame retardant material according to the present invention has low smoke and high flame retardancy characteristics and at the same time has excellent flexibility. |