Barter is the present and the future of international trade, especially for people who is starting in the import export business. Barter and more: Triangular operations.
Material: Zinc coated galv. steel wire for optical ground wire ( OPGW ) coring.
Resistivity :Typical value of galvanized steel wire is 0,19157 Ωmm² /m.
Torsion Test : The specimen shall be twisted untill fracture occurs by applying for not exceeding 2% of the breaking strength.
The rate of twisting shall not exceed than 60 rev/min.