as the sole supplier for p&g, unilever and pilkinton, and we would like to introduce ourselves as one of the best manufacturer and have the very famous brand (erlangshan) of sodium sulphate anhydrous in china. we could offer you this product with high quality, competitive price and best service in long-term business relationships. product description specifications: 1. formula: na2so4 2. molecular weight: one hundred forty two point zero four 3. characteristics: white crystal, easily dissolvable in water 4. use as producing materials of: barium sulfate, synthetic detergent, glass, paper, dye, leather, medicament, etc. 5. measure standard: the internal standard is formulated by state standard 6. packing: polypropylene fabric bag lined with plastic bag 7. weight: 50kg, 100kg, and 1000kg quality index product name sodium sulfate sodium sulfate (by na2so4) %> =99.00 calcium magnesium (by mg) content %=88 ph: 6-8 the packing is 50kg ppw bag, also 1000kg bag. if you are interested in this item & have some purchasing need, please contact with us. your co-operation and timely reply will be deeply appreciated! best regards. chengdu sanlian tianquan chemical industry co.,ltd. 6th floor, xingju building, jiefang road no.199, sec2, chengdu, china contact person: fish yu cell：008615982164744 phone: 86--28—66116369;66116356 fax: 86--28--66116356 e-mail: fish198491@yahoo.com.cn msn: fish198491@hotmail.com http://www.sanlianchem.com