Imveliso eluncedo;
1)Ukupakisha iikhoyili, akukho nkcitho.
2)30 amaxesha ukwanda .
3)Iqondo lokushisa elisezantsi lokwandiswa yi-180 ℃ ukuya kuma-200 ℃.
4)Ukugquma okumibalabala nge-co-extrusion.