BLF 2550 Backing Layer Film

BLF 2550 Backing Layer Film is a multilayer film for use as an external barrier layer for transdermal patches. It helps to keep moisture, oxygen and other contaminants out while remaining soft, quite, flexible and not irritant. It has functional olefin adhesive outer layer. it is available in 3 mil, natural color, 10 to 80 inches width, corona treated.

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