In a lossless compressed format, however, the music would occupy a smaller file than an uncompressed format and the silence would take up almost no space at all. Lossless compression formats include the common FLAC, WavPack, Monkey's Audio, ALAC (Apple Lossless).
TPU material in three kinds of material is super wear resistance, excellent wear resistance and yellowing resistance makes the advantages of this kind of material is very outstanding. Taken together, the physical properties of TPU are relatively prominent, but each has a protective shell has its own advantages.
The term TPO stands for Thermoplastic Polyolefin. Believe it or not, TPO is actually in a broad family of rubber roofing materials. TPO is a blend of polypropylene and ethylene-propylene rubber. EPDM stands for Ethylene Propylene Diene Monomer. It is a synthetic rubber derived from oil and natural gas (ethylene propylene).