Specification: Typical thickness: 36/38/75μm Base film:PET Peel Strength: 25g/inch(light type),35g/inch(heavy type) Clean room:10,000 grade Width: 100mm-1650mm ID core size & material: 3/6inches polished cardboard/ABS ( Other thickness can be supplied as customersrequirement with minimum quantity) Features: High cleanness Good residual adhesiveness rate good release force for ceramics film. good surface flatness.