China Top Ten Selling Products Wholesales Walnut Shell Sandblasting Abrasive Grade Crushed 12/20 Walnut Shells Grits

Walnut shell filter material has the advantages of high hardness, wear resistance, good compression resistance, pressure resistance of 23.4kgf, stable chemical properties, no dissolution in acid and alkali, strong adsorption and sewage interception capacity, adsorption rate of 27-50%, good hydrophilicity and oil immersion resistance. Due to its hardness, ideal specific gravity, porous and multifaceted, and after special physical and chemical treatment (removing its pigment, fat, grease and electric ions), it has strong oil removal performance, solid particles removal, easy backwashing and other excellent properties in water treatment