... activity MgO content 65%-75% .content of carbon <5%,120 screen mesh>95%.initial setting time 40min,final ... oxychloride cement: MgO>18%,(Te2O3+MnO2)≤0.5%,R2O3≤4%5.Additive: macromolecule polymer6.Cement vesicantB.Character of ... .if the quantity you need are more than 5 units,the price is 160 usd/m2,for example: ... the quantity you need are more than 10 units,the price is 140 usd/m2,for example:length ...