Mizusawa Kagaku Kogyo Kabushiki Kaisha

Niroyuki Naito

Yujiro Sugahara

Yoshibumi Noshi

Takashi Maruya

Water glass composition comprising a water-soluble or water-dispersible silicate binder and an inorganic phosphate curing agent, wherein said inorganic phosphate curing agent is composed of an inorganic solid fine powder comprising as the main ingredient a silicon polyphosphate or its metal salt and said curing agent has an initial dissolution amount (B) of up to 200 mg and an average hydrolysis rate constant (A) of at least 0.2, said initial dissolution amount (B) and average hydrolysis rate constant (A) being defined by the following formula:

Growing community of inventors

Tsuruoka, Japan

Niroyuki Naito