Aluminum foil applicationPreparation of polyaluminum chloride from waste aluminum foilPolyaluminum chloride is a kind of inorganic polymer flocculant commonly used.

1. The test for mechanical properties:1/ Tensile strengthUnit: MPA (Mpa) , unit of pressure, when stretching the specimen, Strength “N”in case of irrecoverable tensile deformation of the specimen, divided by the cross-sectional area of the specimen “Mm”, i.e. , n/mm (Newton Square mm) , 1n/mm = 1MPA