With SGS Report ASTM C 1240 for Marine Concrete & Cement 92% Densified Black Grey Silica Fume

With SGS Report ASTM C 1240 for Marine Concrete & Cement 92% Densified Black Grey Silica Fume,Construction & Real Estate,Masonry Materials

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Packaging Details: 1000kgs per jumbo bag; 20 jumbo bags per 20 GP container.

SF92	#	CHEMICAL ANALYSIS
		PARAMETER	STANDARD	Result	ASTM C 1240-05
	1	SiO2 (%)	92%min	92.88%	90%min
	2	Fe2O3(%)	2%max	0.18%	3%max
	3	Al2O3(%)	2%max	0.19%	6%max
	4	CaO(%)	2%max	0.08%	------
	5	Na2O	2%max	0.35%	------
	6	Mositure(%)	2%max	0.50%	------
	7	LOI(%)	3.%max	2.40%	------
SGS certificate with ASTM-C1240 Standard	#	PHYSICAL PARAMETERS
		PARAMETER	STANDARD	Result	ASTM C 1240-05
	1	ParticleSize +/-0.045mm	99%min	99.87%	------
	2	Oversize variation % point from average	(%)	2.01%	5%max
	3	Pozzolanic Activity Index (7 days)	≥110%	1.2	105%min
	4	Surface Area	15000-27000m2/kg	22630m2/kg	15000m2/kgmin
	5	Bulk Density(Densified)	550-700kg/m3	650kg/m3	650kg/m3

Brief Introduction	Microsilica fume (scientific name "silica fume," Microsilica or Silica Fume), in the smelting of ferrosilicon and industrial silicon, silicon through the flue gas emitted by steam oxidation, the specially designed filter collected the amorphous powder like silica (SiO 2). Micro-silica fume average 0.1-0.15 μ m in diameter, the size of several cement average 1.0%. Surface area for the 15-27 m 2 / g, with strong surface activity.

With SGS Report ASTM C 1240 for Marine Concrete & Cement 92% Densified Black Grey Silica Fume

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