Routine inspection of early-strength superplasticizer and internal inspection of raw materials before experiment

according to professionals: in actual industry, routine testing of early-strength water-reducing agents is required, mainly including: solid content, density, fineness, ph value, surface tension, chloride ion content, sulfate ion content, reducing sugar content, cement paste fluidity, and concrete workability. on-site inspection: ph value, density (or fineness), concrete water reduction rate, and adaptability to cement. factory…