High Aluminate Cement

1. Character & uses:
The aluminate cement can resist a high temperature at which a relative high strength still remains. Its refractoriness increases with the content of CA2. Therefore it is suitable to make refractory concrete as a binder. Depending on the refractory aggregates (firecaly, high alumina) used, the refractory concrete made of the cement can be used below 1400degrees centigrade.

2. Technical Index:
Item Unit CA-50-G6 CA-50-G7 CA-50-N CA-50-G9 CA-50-F
Chemical composition
Al2O3
SiO2
Fe2O3
R2O % ?0, <60
?.0
?.5
?.4 -55
?.5
?.5
?.4 -55
?.0
?.5
?.4 -55
?.5
?.5
?.4

Physical properties
1. Fineness
Blaine m2/kg ?000 ?000 ?000 ?000
2. Setting time
Initial
Final min
H ?0
? ?0
? ?0
? ?20
?
3. Flexural strength
1d
3d Mpa 6.0
7.0 6.5
7.5 6.0
7.0 >8.0
>10.0 10.0
11.0
4. Compressive strength
1d
3d Mpa 45
55 50
60 50
60 >70
>80 75
80

3. Packing
Adopted specified by GB9774 cement packing sack, 25kg or 50kg in PE bag with a complex bag of woven plastic and kraft paper outside.

4. Test method:
Chemical Composition: According with GB/T205.
Blaine: According GB/T8074.
Fineness: According with GB/T1345 with screen of 0.045mm.
Setting time: According with the addenda A of GB/TGB201-2000.
Strength: According with the amendment prescribe of GB/T17671 and GB201-2000.

5. Note:
Keep in dry conditions and prevent humidity during storage and transportation. Don not mix with other variety of cements.