1.potassium aluminium sulphatetreatment,water treatment 2.available for deodorant product,food 3.MSDS certificate,OEM accepted ... glue spreading, painting, printing and dyeing, color lake and pigment.2. For food industry:Potassium Alum can be used for fermentation ... , germination and potash fertilizer spreading for some soil. Potassium Alum Powder 99.2%min