Substrate-Free Optical Clear Adhesive Tape (OCA)

Category

Our substrate-free optical clear adhesive tape is engineered for high-precision optical bonding applications where maximum transparency and uniform adhesion are critical. Without a carrier film, this adhesive layer delivers exceptional optical clarity, minimal light distortion, and excellent bonding performance between optical components.

Designed for use in display modules, touch panels, and optical devices, this tape ensures a clean, bubble-free lamination while maintaining long-term reliability under thermal and environmental stress.

Key Features

  • Carrier-Free Structure: Pure adhesive layer ensures superior optical performance.

  • Ultra-High Transparency: High light transmittance with low haze for clear displays.

  • Uniform Adhesion: Consistent bonding strength across the entire surface.

  • Bubble-Free Lamination: Optimized flow and wet-out for precision assembly.

  • Stable Performance: Maintains adhesion and clarity under heat and aging conditions.

  • Custom Thickness & Sizes: Tailored to specific display and optical requirements.


Typical Applications

  • LCD / OLED display lamination

  • Touch panel bonding

  • Cover glass to display bonding

  • Optical lenses and functional films

  • Consumer electronics and industrial displays


Specifications

PropertySpecification
StructureSubstrate-free (carrier-less) adhesive
Adhesive TypeOptical-grade pressure-sensitive adhesive
Thickness125 / 175 / 200 μm (custom available)
Light Transmittance≥ 90%
Haze≤ 1%
Temperature Resistance-20°C to 80°C
Supply FormatRoll or sheet

Why Choose Our Optical Adhesive Tape

Optical bonding demands precision, consistency, and long-term reliability. Our substrate-free optical adhesive tape is manufactured under controlled conditions to ensure stable optical performance and repeatable results in mass production. It helps reduce rework rates, improve display quality, and streamline lamination processes for professional manufacturers.

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