Kyōwa Kagaku Kōgyō
Coordinates: 34 ° 20 ′ 5 " N , 133 ° 52 ′ 36.8" E
| Kyōwa Kagaku Kōgyō | |
|---|---|
| legal form | Kabushiki-gaisha (joint stock company) |
| founding | 1947 |
| Seat |
Sakaide , Japan
|
| management | Keizō Matsushima (President) |
| Branch | chemistry |
| Website | www.kyowa-chem.jp |
Kyōwa Kagaku Kōgyō KK ( Japanese 協和 化学 工業 株式会社 , ~ Kabushiki-gaisha , English Kyowa Chemical Industry Co., Ltd. ) is a Japanese chemical company based in Sakaide on the island of Shikoku .
It produces magnesium compounds such as magnesium oxide , magnesium hydroxide and hydrotalcite , which are used as flame retardants , vulcanization activators , acid acceptors and as antacids or food additives. In 1966, Kyowa was the first company to succeed in extracting synthetic hydrotalcite. The raw magnesium is extracted in a seawater saline in Takamatsu .
The products are marketed in Europe through the subsidiary Kisuma Chemicals .