| abstract |
A. 1 to 90% of a TPU polymer, B. 1 to 90% of a polyolefin polymer, preferably a polar polyolefin polymer, C. 1 to 60% phosphorus-based swellable an intumescent flame retardant, D. a 0.5 to 25% liquid phosphate modifier such as bis-phenol-A-polyphosphate, and E. a composition comprising optional additives and / or fillers, preferably a halogen- Lt; / RTI > The composition exhibits excellent deformation and scratch whitening performance, along with good manufacturing extrusion characteristics, including excellent combustion performance, good solubility and tensile properties, and improved surface smoothness. |