Officinal PVC/PVDC coated film Due to the excellent barrier resistant characteristic, it can protect the medicine from humid in the process of application. Our technician tested successfully based on PVC film coated with PVDC ,refer to collegue抯 experience.During the process of production, temperature,coated amount and times are strictly examined by making the final product meet the standard of same type of product abroad. The barrier ability is 5 times higher than the common PVC.Meantime it has the rigidity and flexility,It can be widely used in packing all kinds solid medicine especially for easy humidity absorbing material. Remarks: As per the investigation, presently 80% medicine are packed in this kind of material,but in our country widely used PVC will penetrate gases or fluid under room temperature in 6 months.It has profound effect to products.But if using PVDC, the period for protection to medicine can reach at least 3 years.