日本Hitachi Chemical日立可剥蓝胶TF-4200EB-452/TF-3348  日本Hitachi Chemical日立可剥蓝胶TF-4200EB-452/TF-3348 TF-4200EB-75 About the product Resonac’s silicone-free insulation coating materials protect the connections of display peripheral circuits and prevent electrode corrosion caused by moisture absorption, thereby contributing to higher device reliability. Merits Protects circuits from moisture with low moisture permeability. Low ionic impurities and high insulation reliability. Inhibits electrode corrosion even under high-temperature, high-humidity conditions. Excellent workability with short curing time and repairability. Selectable solvent volatilizing and UV curing types based on applications and curing processes. Characteristics (Measurement examples) Item Unit TF-4200EB-75 TF-3348-100B Curing - Solvent volatilizing type UV curing type Viscosity (25℃) Pa・s 0.4 1.7 Drying or curing conditions* - Dry-to-touch time: 5 min at room temperature Drying condition: 24 h at room temperature UV-LED (365 nm): 300～350 mJ/cm2 Coating thickness μm 50～200 300 Viscoelasticity (25℃) MPa 20 26 Permeability (40℃/90% RH, 24 h) g/m2 75 30 Ionic impurity Cl- ppm 1.2 6.0 Na+ ppm 2.1 ＜ 0.5 *Curing conditions are recommended examples. Please check the coating conditions, curing devices, and environment.  Migration resistance Resonac’s materials provide superior moisture-proof properties with no electrode corrosion detected even after 300 hours of exposure to high temperature and humidity. Testing conditions ITO electrode (line/space = 35 μm/15 μm)  Coating thickness: 100 μm High-temperature, high-humidity conditions: 60℃ /90% RH, DC10 V applied Observation of electrode corrosion in ITO electrode comb patterns Item TF-4200EB-452 Conventional product Electrode condition (after 300 h) No corrosion Corroded Changes in insulation resistance