... .P woven bag lined with P.E bag.2. 25kg net each in polyKraft paper bag lined with P.E bag. ... or directly used as fertilizer for rubber, palm trees ;2. In industries: used in tanning, porcelain, pigment, match, fireproof materials, Mg-salt, ... dyeing, medicine and food additives;3. Extensively used in food, pharmaceutical and animal remedy industries. ITEMSSpecialty gradesFine gradeMgSo4.7H2O ...