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hidayuchemical on 04 Jun 21As one of the leading tear gas manufacturer, Dayu offers tear gas chem powder and solution at the same time. They are mainly used as explosion-proof agents to prevent riots and other related terrorist activities. OC Powder capsaicin cas number 2444464, OC Liquid, cs gas powder cas no 2698411, capsaicin liquid, pava artificial capsaicin, etc..