Polyva customizes the water soluble film according to specific purposes. The PVA film is made by a special casting process.Good mechanical property and sealing ability, strong load bearing. More than 400% ductility, to ensure a variety of shape packaging requirements. 0 residue technology, to achieve low temperature dissolution clean completely no residue. Know more: https://www.polyva-pvafilm.com/ Email: web@polyva.cn Tel/Whatsapp : +86 17796067993 #watersolublefilm #watersoluble #pva #pvafilm #watersolubleplasticfilm #polyvinylalcoholfilm