Disclosed is an optical cable with a secondary sheath for surrounding and protecting a plurality of optical fiber units in which at least 1-core optical fiber is mounted in a buffer tube, wherein the secondary sheath is made of a mixture including 100 parts by weight of base resin selected from the group consisting of low density polyethylene, linear low density polyethylene, and their mixture; and 0.2 to 60 parts by weight of inorganic additive. The secondary sheath of this optical cable shows excellent cutting and tear characteristics and ensures easy contact and divergence.

 
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