Double loop wire material is divided into two types: spray coating wire and nylon coating wire.
First, spray is made of iron wire after molding, powder is sprayed, and after high temperature powder is attached to iron wire.
Shortcomings: the process is more time for delivery; it is only suitable for the group that is not high in environmental protection; it is easy to crack and explosive paint for a long time; the technical requirements of the personnel in each process are high; the cost of labor is much, the loss is much; it is not as strong as the steel wire; it can only be made into a shear bar and can not be on automatic binding machine.
Two, nylon wrap material is made of steel wire after special process external package a very thin nylon, and then through the double coil molding machine directly forming shipment.
Advantages: high standard of environmental protection; high strength and toughness of steel wire; few working procedures; fast shipment; strong preservation; relative corrosion resistance; more uniform smoothness; relatively low requirements for operators; less loss; less labor with mechanical automation; scissors can also be installed to satisfy automatic binding. The requirement of the machine.
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