Optical cable contains from 2 to 48 optical fibres in a buffer coating of non-burning polymer compound. The optical fibres in the buffer coating are located inside a tubular polymer sheath made of a polymer compound that does not spread combustion in single laying or does not spread combustion in group laying, or of a polymer compound that does not spread combustion in group laying, with reduced smoke and gas emission, or of polymer compound not spreading combustion in group laying and not emitting corrosive gaseous products during combustion and smouldering, or of polymer compound not spreading combustion in group laying with reduced smoke and gas emission and low toxicity of combustion products.
Inside the sheath along the optical fibres on a common transverse axis there are reinforcing elements.
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