Ilaphu lokuluka lesuti yokuzilibazisa yabasetyhini elinombala omhle. Lenziwe yi-rayon, i-nylon kunye ne-spandex fiber, liyasebenza kwaye lingabizi kakhulu.
I-Spandex lilaphu elenziweyo elixatyiswayo ngenxa yokuguquguquka kwalo. Ngokuchasene nenkolelo eqhelekileyo, igama elithi "spandex" alilo igama lophawu, kwaye eli gama lisetyenziswa ngokubanzi ukubhekisa kwilaphu le-polyether-polyurea copolymer elenziwe ngeenkqubo ezahlukeneyo zemveliso. Amagama athi spandex, Lycra, kunye ne-elastane athetha into enye.
Njengezinye iipolymers, i-spandex yenziwe ngee-chain eziphindaphindayo zee-monomers ezibanjwe kunye ne-asidi. Kwasekuqaleni kwenkqubo yophuhliso lwe-spandex, kwaqatshelwa ukuba le nto ayitshisi kakhulu ubushushu, nto leyo ethetha ukuba amalaphu adume ngokuba nobushushu afana ne-nylon kunye ne-polyester ayaphucuka xa edibene nelaphu le-spandex.
Ukolula kwe-Elastane kwayenza yathandwa kwihlabathi liphela ngoko nangoko, kwaye ukuthandwa kwale laphu kusaqhubeka nanamhlanje. Ikho kwiintlobo ezininzi zeempahla kangangokuba phantse wonke umthengi unempahla enye equlethe i-spandex, kwaye akunakwenzeka ukuba ukuthandwa kwale laphu kunciphe kungekudala.