7937 MS For Auto Joint Sealing For OEM Vehicle Production And Glass Installation Windscreen aftermarket bonding

Sappolo®Bond 7937 is a silicone alkyl terminated polyether, a medium-high viscosity moisture-curing sealant. As a part of the new generation of ultra-high-quality adhesives Sappolo®Bond 7937 combines the strength advantages of polyurethane and the durability of silicone. With a long operating period and high modulus Sappolo®Bond 7937 has high elasticity is resistant to UV and has excellent weather-resistant qualities. Free of solvents and isocyanates Sappolo®Bond 7937 offers great environmental protection.Typical ApplicationsJoint sealing for OEM vehicle production and glass installationWindscreen aftermarket bondingVarious construction joint sealing and roofing applicationsFloor bonding to multiple materialsCHARACTERISTIC BEFORE CURINGTYPICAL VALUE                        RANGEColor                                        White / Black / Grey pasteBase material chemical              Silanemodified polyetherDensity (g/cm3)                                       1.45                                   1.35-1.55(GB/T13354-1992)Tack free time (min)                                 10                                       10-30(23°C/50%RH)Pressure flow viscosity (s/10g)                12                                        5-30(0.5MPa, 23°C, 3mm)CHARACTERISTIC AFTER CURINGTYPICAL VALUE                         RANGERoom temperature vulcanized depth(mm/24h)                                                 4.0                                          3~4Tensile strength(MPa)                             3.0(GB/T528-1998)Elongation at break (%)                          400                                         ≥300(GB/T528-1998)Harness: Shore-D                                    55                                         50~60(GB/T 531-1999)Work temperature(°C)                                                                         -40~100Short use temperature(°C)                     120INSTRUCTIONS FOR USE–Windshield BondingGLASS REMOVALDamaged glass should be removed in accordance with the vehicle manufacturer’s instructions.PREPARATIONRemove old PU from the aperture leaving. All surfaces must be clean, dry, and free from all traces of dust, dirt.More detailed information on these products can be found in the individual MSDS, this information is intendedas general advice only.APPLICATIONCartridges – Pierce the cartridge membraneSausages – Place sausage in the application gun and cut off closure clip. The tip of the nozzle is to be snippedor trimmed and screwed onto the cartridge. If using a sausage attach the nozzle using the adaptor to the sausage. Cut the nozzle in a ‘V’ shape to the required height.We recommend to use a piston type application gun. To ensure a uniform thickness and height of the adhesivewe recommend that you apply the product in a triangular bead form. All glass must be installed within a maximum of ten minutes from adhesive application.Sappolo®Bond 7937 is suitable for use in a wide range of climates but the ideal environmental conditions foruse is between 10-30 degrees Centigrade and 50-70 % humidity.AFTER APPLICATION AND CLEANINGOnce cured the product can only be removed mechanically.PACKAGEWhite, Grey, Black – 310ml Cartridge 10 or 30 Cartridge per boxWhite, Grey, Black – 600ml Sausage 20 per boxSHELF LIFE & STORAGEShelf Life – 9 Months from Date of manufactureStore in a cool and dry place.