Molecular formula : 2MgO 3SiO2 nH2O
three silicon acid, also known as magnesium, silicon acid magnesium. Without feeling the sa

appearance: white fine powder

silica:65%min

acid-neutratizing capacity: 100meg/g min

heavy metal: 40ppmmax

magnesia: 29% max

aarsenic: 4ppm max

scrching hot weightlessness: 30%max

soluable salte:15mg max

chloride:0.05%max

free soda: 1.0mlmax

sulphate:0.5%