What kind of film is toughened glass film?
PP materialPP protective film material is first appeared in the market, the chemical name is polypropylene, no adsorption capacity, generally use glue to stick, tear after the glue will leave marks on the screen, the screen for a long time will be corrosion. This material has been basically eliminated by the vast number of protective membrane manufacturers, but some roadside stalls are still selling, we should pay attention to!
How to identify good protective film for toughened glass:1., bad exhaust surface residual bubble phenomenon;2., toughened glass can not stick around the corner, bubble phenomenon;3., toughened glass and mobile phone adhesion, easy to fall off phenomenon;4., toughened glass is too thick, affecting transmittance, and thickening of mobile phone thickness;5., toughened glass sticking glue is too thick, affect the mobile phone display transmittance;6. toughened glass is pasted on the mobile phone, and the surface of the mobile phone has a watermark phenomenon.7., toughened glass film is also straight edge and arc edge, arc edge relative to the more rounded, not easy to hurt hand
Tempered film is to prevent the phone dropped, smashed the screen. Not to prevent scratching. Ordinary film is the hardness of 3H, the use of a few months, there will not be too much scraping, the reason why the election of the steel screen is: high hardness, low toughness, mobile phones fell, can be very good anti broken screen. When the mobile phone drops on the ground, the impact is great, the tension is too large and the screen is broken. Toughened film toughness is low, when the handset sends out the tension, the membrane can bear the tension, thus greatly reduced the main screen to bear the tension.
Tempered glass (Temperedglass/Reinforcedglass) belongs to safety glass. Glass has a fairly good abrasion resistance and is very hard, with a Vivtorinox hardness of 622 to 701. Toughened glass is a kind of prestressed glass, in order to improve the strength of the glass, the methods commonly used in chemistry or physics, formed on the surface of glass glass under compressive stress, first offset surface stress force, so as to improve the bearing capacity of reinforced glass, its wind, cold, impact etc.. The toughened glass protective film is the highest security level for mobile phone screen protection.
