OTTOSEAL® P 305 - The premium PU sealant. Characteristics: • 1-component sealant based on polyurethane • Cures without bubble formation • Good weathering and ageing resistance • Compatible with coatings according to DIN 52452 • Silicone-free • Stress expansion modulus at 100 % (DIN 53 504, S3A): 0,3 N/mm2. Fields of application: • External joints according to DIN 18540-F • Expansion joints on prefabricated concrete and cellular concrete units • Sealing of façades, metal constructions, terraces, balconies, window and door connections, flat roof parapets. Standards and tests: • Tested and monitored according to DIN 18540-F (Süddeutsches Kunststoff-Zentrum, Würzburg, Germany) • Suitable for applications according to IVD instruction sheet no. 7+9+20+24+27 (IVD = German industry association sealants) • Quality seal of the IVD (Industrial association for sealants, registered society), tested by the ift Rosenheim (Institute of window engineering, registered society).