Awọn baagi iṣakojọpọ ṣiṣu jẹ ti polypropylene (PP) gẹgẹbi ohun elo aise akọkọ, eyiti o yọ jade, ti a fa irin, tun-hun, hun, ti a ṣe sinu awọn apo apoti.PP jẹ ṣiṣafihan, ṣiṣu thermosetting ologbele-crystalline pẹlu lile giga, awọn ohun-ini idabobo ti o dara, gbigba omi kekere, giga am ...
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