Iimpawu eziphambili zeItape yefiber yeglasi enamacala amabini:
1,iteyiphu yefilament yeglasi emacala amabiniinamandla okudibanisa izinto ezahlukeneyo
2iteyiphu yefilament yeglasi emacala amabiniunamandla aphezulu okuqina, akukho lula ukuqhawuka
3,iteyiphu yefilament yeglasi emacala amabiniinesiphumo sokupakisha esigqibeleleyo kwaye akukho lula ukuyikhulula
4,iteyiphu yefilament yeglasi emacala amabiniunomgangatho ophezulu wokumelana nokunxiba kunye nokumelana nokufuma
5,iteyiphu yefilament yeglasi emacala amabiniinophawu lweengeyiyo intsalela, wukufuma okuxhathisa indlebe