供应积水保护膜622B-50规格：440mm*300m颜色：透明，蓝色GradeCompo-sition(Base/Adhe-sive)Stan-dardThick-ness(um)ColorAdhesion(N/25mm)Tensilestrength(N/cm)Tearelong-ation(%)Haze(%)AdvantagesApplicati***Goodtrans-pare-ncyLowadhe-siondeve-lop-mentGoodcut#622B50TransparentBlue.Green0.852)13.031015)