The width can be customized in the range of 800~1600mm, the conventional 900/960/1040/1070/1260mm, etc. are optional; the thickness range is 0.03~0.18mm, the conventional is 0.03/0.04/0.06/0.08/0.10/0.12/0.128mm, etc. Optional, the roll diameter and meters can be customized, the film has uniform thickness, good flatness, reduces processing loss, uniform milky white color, good coverage, excellent temperature resistance and durability, suitable for coating silicon coating process, with isolation and filling , Protective effect, and easy to peel off.