High Alumina Refractory Cement Ca50 G7

China High Alumina Refractory Cement Ca50 G7, Find details about China Refractory, Refractory Cement from High Alumina Refractory Cement Ca50 G7

Model NO.
G7
Trademark
KAIYUAN
Transport Package
in 25kg/Bag Loaced on Fumigated Wooden Pallets
Specification
50% alumina
Origin
China
HS Code
6903800000
Model NO.
G7
Trademark
KAIYUAN
Transport Package
in 25kg/Bag Loaced on Fumigated Wooden Pallets
Specification
50% alumina
Origin
China
HS Code
6903800000
Refractory cement CA-50 
ItemsCA50-G7CA50-G8CA50-G9
Refractoriness ºC 1420-1460
     Chemical composition %
Al2O3 min505151
CaO min 333333.5
SiO2 max8.07.06.5
Fe2O3 max 2.52.52.5
Na2O+K2O max0.40.40.4
Specific density g/cm3 2.95-3.052.95-3.052.95-3.05
Specific surface area m2/kg min300350400
Mortar performance   
Initial setting time minutes min306090
Final setting time minutes max360360360
Rupture strength Mpa  
6 hr---
24 hr 6.57.08.0
72 hr7.59.010.0
Cold crushing strength Mpa 
6 hr---
24 hr 506070
72 hr607080
Castable performanceFireclay castableLow cement castableFireclay castableLow cement castableFireclay castableLow cement castable
Water addition %117117117
Flow value mm 
Initial flow value201169204180203181
30 minutes235158196169203162
60 minutes193157190155130131
Cold crushing strength Mpa 
24 hr room temperature241330193421
110ºC dry 24hr614963566575
1100ºC heating 6 hr328332863289

High Alumina Refractory Cement Ca50 G7
High Alumina Refractory Cement Ca50 G7