High elasticity and resistance band, with a total width of 22 cm, consisting of a special thermoplastic elastomeric layer, resistant to aging and wear, and two lateral bands in non-woven polypropylene fabric. Ideal for waterproofing expansion joints, hydraulic stamina in buildings, works and structures carried out under the water table or to ensure water tightness of structural connections also outside the ground. WINBAND 220 is endowed with an exceptional chemical inertia, laboratory tests have proven that it can endure without problems to prolonged contact for 7 days at 20 ° C with the following substances: 3% hydrochloric acid, 35% sulfuric acid, citric acid a 100 g / l, 5% lactic acid, 3% and 20% potassium hydroxide, sodium hypochlorite at 0.3 g / l, salt water at 20 g / l.
