| 摘要 |
A composite film, comprising a base film and an adhesive layer on one or both sides of the base film, the composite film having a thickness of T ( mu m), the base film having an edge tearing strength of R (kg/20mm), the adhesive layer having a total thickness of A, the base film having a thickness of B, T being related to R by a numerical formula R>0.6T-8 when T</=60, or by a numerical formula R>/=28 when T>60, and A/B being 0.5 to 1.4. |
