​TOP TECH SUBSTRATES CO., LTD

​TOP TECH SUBSTRATES CO., LTD

Key Properties and Performance Advantages of OCA Release Film

2026 04/13

 OCA Release Film stands out for its superior optical, physical, and chemical properties critical to precision electronics. Optical-grade PET substrate delivers light transmittance >91% and haze <1%, ensuring no interference with display clarity. The silicone coating provides consistent release force with minimal fluctuation (<±5%) and high residual adhesion (>90%). It offers excellent dimensional stability (thermal shrinkage <1% at 150°C) and resistance to heat, humidity, and UV radiation. Anti-static versions feature surface resistivity of 10⁶–10¹⁰Ω·m, preventing electrostatic damage to sensitive components. The film’s ultra-smooth surface (Ra <0.05μm) avoids Newton’s rings and ensures uniform OCA coating. These advantages make it indispensable for high-yield, high-quality display assembly.
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