For laying in cable ducts, soils of 1-3 groups, pipes, blocks, collectors, shafts and tunnels, on bridges and overpasses, as well as for entry into buildings and structures. The cable has an optical core of modular design. Intramodular and intermodular space is filled with hydrophobic compound or dry water blocking elements along the entire length of the cable.
To increase resistance to tensile force and other mechanical properties it is allowed to use an inner plastic sheath, a layer of yarns with high modulus of elasticity of organic and inorganic origin. The cable contains armour made of corrugated metal tape (with or without plastic coating) and water blocking elements under it. The outer sheath of the cable is made of light-stabilised polyethylene.
As peripheral power elements it is allowed to use metallic, dielectric rods or elements from threads with high modulus of elasticity of organic and inorganic origin...
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