High Alumina Cement

Detailed Product Description

High Alumina Cement has the characteristics of high melting point, high hardness and stable crystal form.

Index of Inspection		CA-50 GB201-2000	A500	A600	A700	A900
AI2O3	%	≥50,60	≥50,60			≥52,60
SiO2		≤8.0	≤8.0			≤6.0
Fe2O3		≤2.5	≤2.5			≤2.5
R2O		≤0.4	≤0.4			≤0.4
S(total sullur)		≤0.1*	-			-
CI		≤0.1*	-			-

Index of Inspection		CA-50 GB201-2000	A500	A600	A700	A900
Fineness
0.045mm sieve residue	%	20*	-			20
Blaine specific urface area	m2/kg	≥300	≥300			≥400
Time of setting
Initial setting time	h:min	≥0:30	≥0:30			≥1:00
Final setting time		≤6:00	≤6:00			≤6:00
Flexural strength
1d	MPa	≥5.5	≥5.5	≥6	≥6.5	≥7
3d		≥6.5	≥6.5	≥7	≥7.5	≥9
Compression strength
1d	MPa	≥40	≥40	≥45	≥52	≥72
3d		≥50	≥50	≥55	≥62	≥82