PVC tape/film which is used for waterproof zipper. PVC tape main color have transparent, black both in dull/dark and shiny.Size as required, normally for 3# choose 23-25mm width, for 7# choose 29-30mm width.
Put this PVC tape on the waterproof zipper long chain by waterproof zipper machine. It is not like waterproof zipper PU, TPU material should use glue before heating, PVC tape can be attached to waterproof zipper directly. PU,TPU all need use adheresive glue before attaching to zipper.
PVC waterproof zipper is applicated in varies products, like sport garments, tent, bag,ect.
We also supply PU,TPU tape for waterproof zipper,more details:http://www.kinghuamc.com/product-detail/water-proof-zipper-sealed-pu-tape/