Product Test Data Information Material: High Aluminum Tempered Glass+AB Glue Hardness: 9H Transparency: 92% Thickness: 0.33mm Port: FOB Shenzhen Edge: 2.5D Quality: Grade AAA Package Type: ODM/Universal Function: To protect your moible LCD SCREEN Feature: Anti-fingerprint,Anti-oil,Water-proof,Anti-broken Delivery Time: Within 7-15 working days Shipping: DHL,UPS, EMS, FedEx, TNT or others Tempered glass is a kind of prestressed glass, in order to improve the strength of glass, usually using chemical or physical methods, forming compressive stress on the surface of glass, when the glass bears external force, the surface stress is offset first, so as to improve the bearing capacity, enhance the glass's own resistance to wind pressure, cold and heat and impact, etc., Mobile phone toughened film is to use this principle to protect the mobile phone screen with a higher security level. The benefits of the film 1. protect the mobile phone screen, scratch When you spend too much time on your phone, it's easy to scratch the screen. If you have a problem with your mobile phone being scratched, you may say that it should be repaired. You say not to repair it, scratch that point and very awkward, very uncomfortable, and stick mobile phone film can put an end to the occurrence of this situation. 2. prevent the screen from breaking Friends who use mobile phones should have encountered accidentally broken mobile phones, even people who use mobile phones very carefully will have careless time. Encounter mobile phone is broken, always spend hundreds of dollars, it is better to paste a protective film, save time and effort. ➤9 Hardness 2.5D Edge Protect the Screen against dust,scratches and shocks by coating the glass shield on the screen. ➤Anti-Scratch & Shatterproof Tempered glass LCD HD premium screen protector with the industry-high 9H hardness, strong and durable, effectively protects the screen of your Samsung Galaxy Tab S8 from shocks and scratches. ➤High Sensitivity 0.33 mm thickness maintains the original touching sensitivity, ensuring the quickness and accuracy of typing and playing games. Follow your speed with precision and responsiveness. ➤High Definition High definition clarity ensures maximum resolution and keeps true screen color, offering you natural viewing experiences. ➤Easiest Installation removing dust and aligning it properly before actual installation, no worrying about bubbles,enjoy your screen as if it wasn't there. Quality Standard: 1. Ball drop test： 64g steel ball 80 cm 3 times. 2. Edge pressure test Edge can withstand max 25-30 kg of pressure. 3. Water contact angle test 115 degree before abrasion test, >105 degree after abrasion test. 4. Abrasion test Scratchless surface after 3000 times' scratching testing. 5. Tensile test Edge glue product: Glass won't fall off from the screen with a max 3kg tensile force. 6 Pre-delivery inspection Sampling inspection according to agreed AQL standard .