For laying in cable ducts, special pipes, including the method of blowing in protective plastic pipes (PPT), collectors, mines and tunnels, inside buildings and constructions (including installation). 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. For additional protection against moisture it is possible to use polymer-coated aluminium tape with water blocking elements underneath.
To increase resistance to tensile force and other mechanical properties it is allowed to use inner plastic sheath, a layer of yarns with high modulus of elasticity of organic and inorganic origin. The outer sheath of the cable is made of light-stabilised polyethylene
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