I-resin kufuneka igcinwe kwindawo epholileyo neyomileyo okanye kwindawo ebandayo. Emva kokuyikhupha kwindawo yokugcina ebandayo, ngaphambi kokuvula isikhwama se-polyethylene esitywinwe, i-resin kufuneka ifakwe kwiqondo lokushisa, ngaloo ndlela ithintele ukudibanisa.
BEKA UBOMI KWISHELUFA:
| Iqondo lobushushu (℃) | Ukufuma (%) | Ixesha |
| 25 | Ngaphantsi kwama-65 | Iiveki ezi-4 |
| 0 | Ngaphantsi kwama-65 | Iinyanga ezi-3 |
| -18 | -- | 1 unyaka |