... high bonding strength and high heat-resisting performance (1500-1600°C),ect.2 .used in coating industry .it makes the ... -40SiO2,%40-41Na2O,%≤0.38pH value9.8viscosity(25°C),mp a.s ≤18Density(25°C),g/cm31.295Average particle diameter,nm12Packingbe packed ... in 25kg, 250kg plastic barrel.Storage & transportationkeep at 0-40°C , away ...