Global Magnesium Silicofluoride Market By Type (Purity:0.95, and Purity:0.9), By Application (Concrete Reinforcing Agent, Concrete Retarding Agent, Rubbe Latex Coagulant, and Preservative Textile), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019-2028