Hayakawa Rubber Company Limited

Sekiji Yokota

Toshihiro Fujii

Water proofing compositions containing a reclaimed butyl rubber of used inner tube scraps as the active component have a high adhesion to cement mortar or concrete and are used for water proofing materials in buildings and civil engineering works.

Water proofing compositions for cement mortar or concrete

Water proofing compositions for cement mortar or concrete and method

Water proofing compositions containing a Reclaimed butyl rubber of used inner tube scraps as the active component have a high adhesion to cement mortar or concrete and are used for water proofing materials in buildings and civil engineering works.

Growing community of inventors

Fukayasu, Japan

Sekiji Yokota