Denki Kagaku Kogyo Kabushiki Kaisha

Tomohito Kobayashi

Yasuhiro Nakashima

Shunichi Mishima

Isao Terashima

Takamitsu Murokawa

Masahiro Iwasaki

Atsumu Ishida

To provide a spraying material having an excellent quick-setting property and excellent adherability, a small alkali amount and excellent initial strength development, and a spraying method using it. The spraying material comprises a liquid quick-setting admixture containing an aluminum source, a sulfur source and a fluorine source, one or more quick-setting aids selected from the group consisting of calcium aluminate, calcium sulfoaluminate, calcium aluminosilicate, an alkali metal-containing substance, calcium hydroxide and aluminum hydroxide, and a cement concrete, and the method is to spray this spraying material.

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Itoigawa, Japan

Tomohito Kobayashi