On June 25, the Ministry of Industry and Information Technology announced 446 industry standards and 72 industry standard samples. The publicity time is from June 25, 2024 to July 24, 2024.
Among them, low-heat Portland cement for marine engineering; Portland cement for high-temperature well cementing; desulfurized manganese slag for cement and concrete; technical requirements for complete equipment of bulk cement transfer station; technical requirements for color permeable floor; high-ductility fiber reinforced cement-based composite materials; redispersible latex powder for building dry-mixed mortar; Thin-walled steel cylinder concrete pressure pipe; steel bar winding prestressed steel cylinder concrete pipe; landscape modeling mortar; defoamer for concrete and mortar; anticorrosive mortar for underground sewage pipeline; 3D printing cement-based material interface bonding strength test method; concrete compressive strength test method: straight pull method; The terms of gypsum and gypsum products are listed in 446 industry standards.
