I-Miracll iye yaphuhlisa, iphanda kwaye ivelisa imathiriyeli ye-thermoplastic polyurethane elastomer ye-flame-retardant ukususela ngo-2009. Emva kweminyaka engaphezu kweshumi yophuhliso, sinezinto ze-TPU ezinqanda ilangatye kunye neenkqubo ezahlukeneyo ezifana ne-polyester, i-polyether kunye ne-polycarbonate.