Super Transparent BOPET Film CY20

Super Transparent BOPET Film CY20 Item UnitIndexTest methodThicknessµm75100125150175188250GB12802.2-2004Deviation of thickness%±3±3±3±3±4±4±5GB12802.2-2004Tensile strengthMDMpa≥150≥150≥140≥140≥140≥140≥140GB12802.2-2004TDElongation at breakMD%≥80≥80≥80≥80≥80≥80≥80GB12802.2-2004TD150,30minMD%≤1.6≤1.6≤1.5≤1.5≤1.5≤1.5≤1.5GB12802.2-2004Heat shrinkageTD≤0.5≤0.5≤0.5≤0.5≤0.5≤0.5≤0.5Light transmittance%≥86≥85≥85≥85≥85≥85≥83GB2410-80Haze%≤1.5≤1.6≤1.8≤2.0≤2.8≤3.0≤3.8GB2410-80Electrical strengthV/µm≥105≥90≥80≥75≥69≥66≥60GB12802.2-2004Volume resistivityΩ.m≥1×1014GB12802.2-2004Relative dielectric constant 50Hz2.9 3.4GB12802.2-2004Dielectric loss tangent50Hz≤3×10-3GB12802.2-2004 Wetting tensionmN/m≥52GB/T 13541-1992