... 1:25,to help customers save cost,cheaper.When plastic masterbatch is used in resins, it shows better dispersing ... be replied in 24 hours.Material Features:100% Biodegradable——All wastes of the CK biodegradable materials and products are fully ... -40 to 45. Shelf life: 18 months.Applications:Plastic bags, packaging films, Shopping bags, food packaging, medical packaging, and electronics product packaging ...