11 general requirements for labeling prepackaged foods
1. General requirements “National Food Safety Standard General Principles for Prepackaged Food Labeling” (GB7718-2011) According to the objects to which prepackaged food label information …
General provisions for expansion agents
① In concrete projects, calcium sulfoaluminate, calcium oxide, magnesium oxide, and metal expansion agents can be used. ② Expansion agent can be used to compensate for shrinkage concrete (mortar), fil…
General provisions for concrete admixture antifreeze
① Chlorine salts, chlorine salt rust inhibitors, and inorganic chlorine salt antifreeze can be used in concrete projects. ② Chloride salt antifreeze can be used in concrete projects, and chloride salt…
General provisions for early-strength agents and early-strength water-reducing agents
① In concrete projects, the following early strength agents can be used; chloride salts, sulfates, organic amines, and formates. ② Early-strength and early-strength water-reducing agent can be used fo…
General provisions for retarders and retarding water-reducing admixtures
① In concrete projects, the following retardants or retarding water reducing agents can be used, sugars, lignosulfonates, hydroxycarboxylic acids and their salts, inorganic salts and other amine salts…