Use of commodity slag powder:

Blended with cement to produce Portland slag cement or other types of cement. It can also be used to mix with commercial concrete to produce concrete of various grading. Its primary role is to enhance cement’s and concrete’s late strength and improve concrete’s characteristics (such as workability, durability, lower heat of hydration and etc.)

Implementation Standard:

GB/T 18046-2008 《Granulated blast-furnace slag powder used in cement and concrete》

 

National quality requirements for commodity slag powder:

Quality Index	Moistur （%）	SO3 （%）	Cl- (%)	LOI （%）	SSA （m2/kg）	Ratio of Fluidity （%）	Strength Activity Index（%）		Radioactivity
							7d	28d
S 95 Slag Powder	≤1.0	≤4.0	≤0.06	≤3.0	≥400	≥95	≥75	≥95	Qualified