Two-component polyurethane adhesive with limited flame spread and low calorific value. Suitable for bonding various materials such as: plasterboard, wood, concrete, galvanized sheet metal, steel, aluminum, rock wool, expanded polystyrene, expanded polyurethane, ceramic tiles. It must be catalyzed at 12% by weight and properly mixed with the CTZ F17 catalyst. The Certificate of Approval (Form B) and the Surveillance Form (Form D) issued by RINA in accordance with European requirements (EC standards), verified by international regulations (IMO), are available.