ROLFLEX FR 66

Chemical description ROLFLEX® FR 66 is a waterborne polyurethane dispersion based on polyether diols Main use ROLFLEX® FR 66 is suggested for textile and synthetic formulations providing:  Highly compatible with flame-retardant additives  Soft and elastic film Product properties Appearance at 25 °C: milky liquid pH (at 25°C on supplied product): 6.0 - 9.0 Brookfield RVT Viscosity (cPs) < 600 (@ 25 °C, 50 rpm) Solid content, %: 39.0 - 41.0 Typical values* Solvent content, % : free Density, @ 25°C g/ml ~ 1.04 Ionicity: anionic/non ionic Minimal film forming temperature, °C: ~ 0 Tensile strength at 100 % elongation (MPa): ~ 0.5 Elongation at break (%) : ~ 1300 Tensile strength (MPa) : ~ 2.4 Softening point (°C): 210 – 220 Film aspect: very soft, flexible and sticky *These values provide general information and are not part of the