Le proprietà fisiche dei materiali includono la conduttività  Cloze (1): JXUwMDJjJXUwMDExJXUwMDE3JXUwMDFmJXUwMDA0JXUwMDBhJXUwMDAy (λ), il coefficiente di trasmittanza  Cloze (2): JXUwMDJjJXUwMDExJXUwMDE3JXUwMDFmJXUwMDA0JXUwMDBhJXUwMDAy (U), il specifico  Cloze (3): JXUwMDNiJXUwMDAyJXUwMDBkJXUwMDAzJXUwMDFkJXUwMDE3 (c), il fattore di resistenza  Cloze (4): JXUwMDM5JXUwMDBkJXUwMDAwJXUwMDBkJXUwMDQxJXUwMDQ0JXUwMDBkJXUwMDBmJXUwMDAwJXUw MDEzJXUwMDA2JXUwMDFhJXUwMDA2JXUwMDAxJXUwMDBiJXUwMDQ1JXUwMDQ0JXUwMDAxJXUwMDA5 JXUwMDRjJXUwMDU2JXUwMDE3JXUwMDExJXUwMDFmJXUwMDFkJXUwMDE3JXUwMDQ1JXUwMDQxJXUw MDAyJXUwMDEyJXUwMDA0JXUwMDEwJXUwMDBh (µ).