Dainichi-nippon Cables, Ltd.

Toshitaro Oguchi

Eiji Iri

Yasuo Ijiri

Koichiro Aritomi

An optical fiber cable comprising a water blocking layer, an optical fiber disposed inside the water blocking layer and a water blocking material filling the space between the water blocking layer and the optical fiber, the water blocking material having an apparent viscosity (as measured in accordance with JIS K 2220-1980, 5.15 at 40.degree. C., and a shear rate of 10 sec..sup.-1) of lower than 25,000 poise and also having a worked penetration (as measured in accordance with JIS K 2220-1980, 5.3 at 25.degree. C.) of 150 to 450.

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Osaka, Japan

Toshitaro Oguchi