NON-ADSORPTIVE SEALANT FILM

摘要

PROBLEM TO BE SOLVED: To provide a sealant film easy to deposit and capable of presenting an excellent non-adsorptive property and seal strength.SOLUTION: A non-adsorptive sealant film at least includes a base resin layer and a seal layer. The base resin layer is a layer configured with a homogeneous PET. The seal layer is a layer laminated on the base resin layer by extrusion coating and configured with an amorphous copolyester whose glass transition point is 70-90°C.