The multifunctional plastic film transfering Violet ray to Red light(VTR) as the new plastic film has long life and non-drop character.It ca n transfer violet ray of sunlight to red ray.

• 多功能转光塑料薄膜(以下称多功能转光膜)是一种具有长寿、无滴，并能把日光中的部分紫外线紫光转换成红光功能的新型塑料薄膜。