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The barbed wire is a kind of isolation protective net formed by winding the barbed wire on the main wire (strand wire) through a variety of weaving processes. Three methods of twisting the thorn rope: forward twisting, reverse twisting, reverse twisting.
Positive twist method: It is to twist two or more pieces of wire into a double wire rope and then wrap the barbed wire around the double wire.
Reverse twisting method: it is to wrap the nematous wire around the main wire (that is, a single iron wire) and then add an iron wire and twist together into a double strand of barbed rope.
Positive and negative twisting method: from the nematocyst winding main wire direction opposite to the direction of twisting. It's not twisted in one direction.The reason to do surface treatment is to strengthen the anti-corrosion strength, prolong the service life. Galvanized barbed rope as the name suggests that the surface treatment is galvanized, can be galvanizing and hot dip galvanizing; PVC barbed wire for surface treatment is PVC plastic coated treatment, the inside barbed wire for black wire, electroplating wire and hot plating wire.