A detailed description of double-sided tape, Dongguan PET / AB double-sided adhesive: high permeability AB sided adhesive used in the glass above the bonding glass and the phone screen to play the role. Features: 1. Slim: Because it is a touch screen, so you need thin, in order to have a better touch sensing. 2. Fast auto exhaust: simplify the installation process, easy installation. 3. High transmittance over 92%: high permeability membrane allows glass without its drawbacks. 4. No glue residue: Replacement glass film adhesive residue does not affect the original phone screen 5. No blistering: with a long time does not automatically produce bubbles. 6. No watermarks: Avoid watermark generated during installation. 7. Stability: long-term stability can be achieved using the transparency layer thickness: 0.11mm special silicone: 0.045mm PET substrate: 0.05mm optical glue: 0.015mm