OTTOPUR OP 935 - The low-monomer 1-component PU foam. Characteristics: • 1-component mounting and insulating foam based on polyurethane • Foam yield approx. 21 – 25 l per 500 ml can • Can be cut after approx. 20 – 40 minutes • Can be loaded after approx. 24 hours • According to building material class B2 • Is not subject to prohibition of self service according to the German Regulation of Chemical Interdiction. Fields of application: • Window and door sealing (for the clean and controlled backfilling and for the isolating sealing of connecting joints on windows and roller blind housings) • Filling of connecting joints and joints of exterior door cases • Foaming of small wall openings and other cavities. Standards and tests: • Tested according to DIN 4102-B2 – normally flammable.