Super: Is it necessary for mobile phones to be coated with tempered glass? (8P)

believe that a lot of friends consider tempered glass film is because it propaganda anti-scratch and anti-falling, from the anti-fall, in fact, the screen is not broken, really look at the luck of the matter, tempered film known as anti-fall, that is, to reduce the probability of broken screen. And from scratch-resistant, tempered film is generally to promote the use of 9h surface hardness, the hardness of the standard and we often say MO-type hardness is actually a difference, 9h specifically for the use of 9h of pencils on the surface of the material without leaving traces, only this just.

In fact, as long as the glass film, Mohs hardness will not exceed 7, that is, 5-6 or so, greater than the metal, less than quartz, that is, the general key and the knife will certainly not scratch the glass membrane, which is not related to the surface coating, it will be quartz (that is, the daily life of dust and fine particles) grinding bad.

And the phone screen is the same, most mobile phones are now using Gorilla 3-generation glass screen, The Mohs hardness of this screen is about 6.5, although compared to the general steel film High, but still not reach 7, if you are in a dusty environment, then choose to film or is more necessary, if you are not very concerned about the phone screen, while the change cycle is short, then do not stick also have no impact, 6.5 of the strength is enough to make your phone withstand the big department The score was scratched.

In addition, it should be noted that the small part of the front of the film is tempered film, if you want to paste the general plastic film, to tell the truth is not too big necessary, ordinary plastic film hardness is usually 2H, after hardening treatment can be up to 3~4h, that is, and nail hardness almost, which is equivalent to the car layer wax. Things that can scratch them are everywhere, and it's easy to make scratches soon after the film, which affects your eyesight.

Simple question simple answer, the following into the extended reading stage, today we will come together to talk about tempered glass film that point.

The propaganda thickness of tempered glass film and the problem of the false standard

The current market of tempered glass film thickness of only four kinds: 0.4 mm, 0.33 mm, 0.2 mm, 0.15 mm. These 4 thicknesses also refer to the thickness of the glass raw material, and do not contain the thickness of a layer of AB glue used to adsorb the screen of a mobile phone. General ab gum thickness of 0.085 mm to 0.15 mm (ab gum brand is not the same, the thickness is not the same) then the thickness of the finished glass film is at least 0.235 mm, the thickness of the market products are only said the thickness of the raw materials.

Even so, the thickness is still a variety of manufacturers of various false standard. 0.4 mm glass labeled 0.3 mm, 0.33 mm labeled 0.26 mm, 0.2 mm labeled 0.15 mm, and even a lot of non-moral integrity of the 0.4 mm tempered film labeled 0.1 mm, you know, 0.1 mm thickness of the basic and plastic protective film almost, it is not possible, so everyone in the purchase of tempered glass The film should be more attention, do not be fooled by some unscrupulous businessmen.

On the anti-fingerprint effect of tempered glass film

Many businesses of the product propaganda are mentioned, tempered glass film can be anti-fingerprint. In fact, it is accurate to say that the excellent quality of the tempered glass film can reduce the fingerprints on the glass membrane residue, and can not completely eliminate the production of fingerprints. The method is to add a layer of anti-fingerprint oil on the surface of tempered glass film, and this layer of anti-fingerprint oil coating can also ensure that the surface of the tempered film stains can be easily removed. About this anti-fingerprint oil treatment process, there are high and low points.

At present, the most low-level anti-fingerprint processing is not processed, not coated with anti-fingerprint oil, this only some unscrupulous businessman talent, the purpose is to squeeze costs to increase profits.

A little high-end is hand-painted anti-fingerprint oil, the so-called hand-painted is a manual brush, the anti-fingerprint oil directly applied to the glass membrane surface, the disadvantage is that anti-fingerprint effect is not uniform and anti-fingerprint oil easy to fade. More high-end is the machine coating/plasma spraying fingerprint oil, generally slightly size and a little conscience of the manufacturers choose this. This process is better than hand coating, the disadvantage is that the durability of a few. The actual situation is the use of 20 days or so, you will find the anti-fingerprint effect has been greatly reduced, because the anti-fingerprint oil has been the light.

The most top anti-fingerprint oil on the market is electroplating anti-fingerprint oil, in general, only a few manufacturers of high-end tempered film using electroplating anti-fingerprint oil. The principle of electroplating is not much to explain here, in short, after electroplating anti-fingerprint oil process of tempered glass film effect on the feel more smooth, the effect is more durable generally can last about 2 months or more. If you often use the film, in fact, from the touch of tempered film feel can determine its quality.

Whether the tempered glass membrane can prevent the mobile phone screen from breaking

As the small part of the front said, in fact, the screen is not broken, really look at the luck of the matter, tempered film known as anti-fall, that is, to reduce the probability of broken screen. As the main body of the glass film is still ordinary glass, the strength will not be higher than the Corning Gorilla Glass used in high-end mobile phones, otherwise you will see the screen broken film is not broken magical scene.

From the form of fitting, this kind of flexible fit does not increase the intensity of the screen, but you can think of tempered film as the second external screen of mobile phones, if the mobile phone fell, tempered film can indeed absorb a certain amount of damage, play a role in reducing the probability of broken screen. Of course, you don't expect it to do too much, and if your phone falls from a height of dozens of meters, you're ready to buy a cell phone.

Tempered Glass film itself fragile try not to choose low-priced lemon

A lot of friends in the purchase of tempered glass after the film has appeared in the automatic fragmentation of the situation, in fact, this is very good understanding, tempered glass film is also a window, so broken is also considered normal things. The decision to break the toughened glass film is divided into two major categories. One is the problem of the product itself, the second is the use of the problem. From the product itself, the glass film is fragile to be analyzed from raw materials and processes.

1, raw materials. Glass film is made from different brands of glass raw materials. There is a difference in the strength between different raw materials. However, unless it is a defective glass raw materials, most of the glass brands, in terms of intensity of glass, the difference is not very large.

2, processing technology. The determination of the glass film finished product quality process is mainly three: CNC cutting, arc-edge polishing and tempering furnace tempering. CNC Cutting is to cut the glass material into a shape suitable for the mobile phone model. Arc Edge Polishing is a straight edge tempered film around polished into a 2.5D arc edge. Tempering furnace tempering is to let the glass film semi-finished products in the high-temperature furnace and potassium nitrate effect so that the glass film strength slightly increased strength, greatly increase toughness, to ensure that the glass film even if fragmented, will not harm the human body.

Do not consider the glass membrane adhesive bonding, these three processes are the glass film is the most easily produced three processes. Cutting and polishing may lead to glass bursting edges. Tempering furnace tempering time is not enough, the poor potassium nitrate materials will lead to strength and toughness decline. One of the most undesirable products produced in the production process is eliminated, there are a small number of defective products are not visible to the naked eye, leaving a internal injury trachoma as good products into the market, a little use will appear fragmented. So everyone in the decision to buy tempered film, we must remember, do not choose the market in those low-priced lemon, although the film industry profiteering, but sometimes a penny a cent of the truth or can be universal.

In addition, the thickness and strength of tempered glass film also have a certain relationship, in terms of strength, the thickness of the glass film slightly stronger, thin glass film strength is worse, but the thinner the glass membrane feel is certainly the better, we in the choice of tempered film at the time also depends on their own circumstances.

Said so much, and finally for everyone to summarize the advantages and disadvantages of tempered glass membrane, we can make reference according to their own situation.

Advantages: Compared to ordinary plastic film, high hardness, good light transmittance, good surface performance, sparse oil sparse sailor feeling good, easy to stain, easy to clean, easy to fit, there is a certain protection function.

Disadvantages: fragile, high cost, thick, edge treatment defects. As the tempering film has a certain thickness, even the thinnest 0.15 mm film, the edge will also undermine the integrity of the grip. In addition, edge-exposed resin adhesion layer is also prone to filth, and for curved screen, tempered film is almost impossible to match, such as Samsung Galaxy Edge, or even the 2.5D screen with the iphone 6 screen edge is the surface transition to the border, can not use tempered glass membrane.

Super: Is it necessary for mobile phones to be coated with tempered glass? (8P)