Unlike ordinary plastic screen protectors, tempered glass screen protector can’t be electrostatically adsorbed on the cellphone screen, it needs a thin layer of AB glue to stick. The AB glue is also the core technology of tempered glass screen protector except glass material. Which directly affect the installation and exhaust effect of the product. Thus, AB glue is also one of the most important factors to distinguish the quality of tempered glass screen protectors.
What is AB glue?
AB glue is based on PET, with acrylic glue on one side and silica gel on the other side. The acrylic glue is fitted to the tempered glass, while silica gel has excellent exhaust performance, it is used to stick the screen protector to the surface of the mobile phone, to make the screen protector easier to install.
According to application requirements, the thickness of the AB adhesive layer is generally about 0.1 mm-0.38 mm. The more thickness of the layer, the better the exhaust effect, but that is not to say the thicker layer, the better. Too much adhesive will also cause the glue to overflow from the edges, and once the whole thickness of the adhesive layer and tempered glass exceeds 0.6 mm. Operate sensitivity will be affected. Due to the differences in various phone plate and tempered glass, AB glue needs fine adjustment according to phone model.
What’s more, the AB glue used for the mobile phone tempered film also needs to meet the basic optical grade requirements, such as >90% light transmittance, no dirt with a diameter >0.2 mm, etc.
How to distinguish the quality of screen protector AB glue
Install and check is the most effective way to distinguish the quality of screen protector AB glue. Now, most high-quality AB glue products on the market comes from Japan and South Korea.
Those screen protector using high-quality AB glue can be quickly attached during the lamination process, and the air between the tempered glass and screen will be discharged fast, neither glue will overflow nor white edges at the edges. Even unprofessional general consumers, can easily apply it. While those screen protector using poor AB glue exhaust speed is slow, it cannot be fitted, and there will be white lines and bubbles, which can’t be removed no matter how.
However, with the improvement of technology, the quality of AB glue products from China has also been significantly improved except from imported products, and the price is more favorable.
A tempered glass screen protector has to go through many complicated steps and complex technologies in the whole process from research and development, material selection, to production and manufacturing. Although AB glue accounts for about 16% of the cost of the entire tempered glass film product, it plays the crucial performance characterization, it directly affects the performance of the entire tempered glass screen protector product line.
FAQs
They work by utilizing a specialized adhesive. This helps keep it firmly in place. Once you've got the adhesive sticks on your device, the tempered glass can seamlessly fit into the contours of your phone, tablet, or even gaming device while still protecting it from scratches, bumps, and shocks.
What holds a screen protector in place? ›
The acrylic glue is fitted to the tempered glass, while silica gel has excellent exhaust performance, it is used to stick the screen protector to the surface of the mobile phone, to make the screen protector easier to install.
How do you fix a sticky screen protector? ›
Use a microfiber cloth and a gentle screen cleaner for this purpose. If the protector is still in good condition but not adhering well, consider using a small amount of water or a specialized screen protector solution on the adhesive side. Dampening the adhesive can sometimes rejuvenate its stickiness.
What type of glue can I use to restick my tempered glass screen protector? ›
Originally Answered: What type of glue can I ure to restick my tempered glass screen protector? In almost all cases the adhesive used is an optically clear silicone pressure sensitive adhesive.
Should I remove my screen protector if it's cracked? ›
You might think that the cracks on your screen protector aren't a big deal, so long as you can still see your screen clearly. In fact, even a small crack in your screen protector can put your phone or tablet in danger of irreversible damage and can also be a significant safety risk.
How to prevent case from lifting screen protector? ›
Remember, push down on the card to flatten the film protector and always keeping the card tucked inside the case to avoid its edges to lift up the protector again. With luck, most (if not all) of your protector will now be under the case's edges and not lifting up.
Can you peel and Restick a screen protector? ›
To Reapply: If you made a mistake while installing your screen protector, you can reapply it while it's still moist. First, spray solution onto your fingertips before peeling it off. Slowly start peeling from one corner, ensuring the screen protector does not stick together.
Can you Restick a glass screen protector? ›
However, as long as the adhesive layer is not damaged, you can reapply it (for instance if it is not properly aligned with your screen). If you have to remove it, please make sure to store it in a clean environment so as to not have dust gathering on the adhesive.
Why wont my screen protector stick around the edges? ›
You can solve this difficulty by ensuring the screen is clean, getting rid of dust and air bubbles, correctly positioning the protector, pressing gently, giving it enough time to settle, and using a different protector if necessary. Remember that persistence and careful consideration are required.
How many times can you Restick a screen protector? ›
No more than a few times, Not because the adhesive has worn off but because so much dust has stuck to the underside, it stops sticking because the oil from your fingers is on it.
It's best to install liquid spray protectors at night, as it will take at least 8 hours to completely dry.
Can you reapply a Zagg screen protector? ›
Do not attempt to remove the InvisibleShield and reapply. Doing so will compromise the adhesive and it will not stick to your device as well. Please follow this link for a quick and easy way to process your replacement request.
Does screen protector use glue? ›
Screen protectors are typically applied using adhesive materials specifically designed for this purpose. The specific type of glue used can vary depending on the manufacturer and the type of screen protector. However, most screen protectors use a silicone-based adhesive.
Can a screen protector be removed and reapplied? ›
The protector is not designed to be applied and removed on a regular basis. However, as long as the adhesive layer is not damaged, you can reapply it (for instance if it is not properly aligned with your screen).
How do screen protectors fit? ›
Lift the screen protector from the non-hinge side and peel off the backing. Gently press the screen protector onto your screen. Squeegee any air bubbles. Remove the guide stickers.
