large screw mgo tube:

1,certificate: SGS

2,model:the size can be customized according special requirements,

3,chemical composition:

 

MgO     ≥ 98.5% CaO     ≤ 0.3% Fe      ≤ 0.1% Si       ≤ 0.5% Al2O3    ≤ 0.3%

 4,best quality&suitable price

 5,apperance:white color,vertical,amooth

6,marterial:mgo power

7,the mininum OD:1.3MM