... , flame retardant, neutron absorber, or precursor to other chemical compounds. It has the chemical formula H3BO3 (sometimes written B(OH)3), and exists ... as a mineral, it is called sassolite.Application:It is chemical used for making ceramics, glazes, cements, wicks, food preservatives, special ... (%)≤0.05%≤0.15%Sulfate(SO4)(%)≤0.10%≤0.40%Chloride(CL)(%)≤0.01%≤0.05%Iron(Fe)(%)≤0.003%≤0 ...