what is aluminium sulphate

{"cid":"91178552","title":"Industrial Sulphate Aluminum Alloy Profiles Annealing Treatment T1 T4 T5","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/7c\/a3\/048e60ad73eda75355bf4c74c58b-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"Guangdong, China (Mainland)","Model Number":"customize","Minimum Order Quantity":"customize","Delivery Time":"Within 15-25 days after receive deposit and and moulds are passed.","Place of Origin":"Guangdong, China (Mainland)","Certification":"ISO9001:2000,ISO14001:2004","Packaging Details":"protective film for each piece, then each bundle in Kraft paper.or according to customer request","Payment Terms":"L\/C, D\/A, T\/T, , MoneyGram","Supply Ability":"6000 tons per month","Classification":"Sulphate","Grade Standard":"Agriculture Grade , Electron Grade , Industrial Grade","raw material":"6063 6060 6005 6005A aluminum alloy profile","thinckness":"1.0\/1.1\/1.2\/1.4\/etc","Purity":"99.3%","CAS No":"7429-90-5"}}