... FREE ACID (H2SO4) : 0.5% MAX my company have exported granular kieserite to some sea countrys such as Malaysia and Indonesia, Philippines ... Coast, Nigeria. These countrys have palm trees , some clients need granular kieserite, so we hoping we can to do this products in ... .we send firm offer as follows: Commodity MAGNESIUM SULPHATE MONOHYDRATE(Granular Kieserite)Total Mgo :25%Min, S : 15%Min Size : 2- ...