RAW SALT The raw salt is used in some road de-icing ( Bulk Salt ) Specification: Sodium Chloride (dry basis) :96-98 % by weight Water Insoluble matters :0.5-1.5 Soluble Salts other than :2.0-3.5 Moisture :2.5-4.5 Crushed SaltThe :97-99 :0.1-1.0 :2.0-3.0 ...