I tried the limit of the protective film "BUFF" that is okay even if attacked by "hammer" or "kitchen knife" "iPhone"

It is a shock absorbing film of 4 layer structure "iPhone 4 / 4S"By protecting the entire face of 'hammer' and 'kitchen knife' can withstand attacks'Buff Ultra Impact Absorption Protector Full Set(2980 yen including tax) ". Prior to the release on April 20, 2012 this time it is the selling agencyAthens Electric Co., Ltd.Since I was able to get the real product from me, I actually decided to stick it on the iPhone and do a merciless test and check the limit.

◆ Impact test

First of all, I placed almonds on iPhone on which a protective sheet was pasted and crushed them with a hammer.

Hammer vs "Buff Ultra Impact Absorption Protector" - YouTube


Since the metal part of the hammer does not hit the screen directly, we can afford this much. There is no problem with the operation of the main body without attaching one scratch.

Next, put lettuce on the iPhone and cut it with cracks with a kitchen knife. Although a sharp blade hits directly on the protective film, it seems to have torn into snow ... ....

Knife vs "Buff Ultra Impact Absorption Protector" - YouTube


Of course, the film was safe as well as iPhone.

In addition, try dropping it from a desk about 70 centimeters high ... ....



Even trying to drop it from the height of the shoulder to the floor of the flooring ... ....



The iPhone itself is completely intact.



Prepare the nets ... ....


It is okay if you scratch the surface with crackling.


In the end, direct hitting by a hammer.


There is no problem even if you hit with the power of the level that you can drive the koki normally.


If it is a place with a protective film, it is okay to hammer with don don and a hammer, but if you hit a part of the speaker that has a small gap in the film, the screen cracked in a moment.

The limit of 'Buff Ultra Impact Absorption Protector' - YouTube


If you hit a hammer on the part where the seat is hit, you will firmly protect it from the shock whether you hit it on the floor, but if something hits a slight gap by any chance and a shock is added ... ....


Speaker parts and buttons for muting will remain as weak points because they can not affix the film by themselves due to the structure, but the other part is strongly protected. In the experiment of this time the screen cracked at the end because it poked the weak point at the end, but boasts the defense of the iron wall which can say that almost never breaks as long as you are using the iPhone in the general situation It is a protective film.

◆ Paste method

The package looks something like this.


In addition to the three protective films, instructions include instructions, spatula for sticking, dirty dust, stickers for removing dust.


Just peel off the seal and press it against the main body just as you attach the protective film.


This time I used "iPhone 4" black.


Since it has actually been used for about a year, there are also small scratches on the back, but paste of protective film can be done without problems.


First of all, carefully drop the fingers grease and dust with the attached dirty wipe.


Further fine dust adheres with peeling peches in seal.


Take out the sheet ... ....


If you peel off the seal on the back side, it is OK to paste it.


After aligning the position, I will paste it with the attached spatula while pressing it. It is not an adhesive material, but it gets stuck with the adsorption power of silicon and it can be reattached many times, so it is safe.


If fine dust is left, peel off the sheet once and remove the dust with a seal so it looks like a small bubble. Although this work requires considerable persistence, let's repeat it to the steady because it is indispensable to eliminate bubble contamination.


If the adhesion of the seal falls down, there is no problem even if using cellophane tape or mending tape.


The place where pasting is finished is like this.


A little bubbles are left, but as it seems that small bubbles seem to be pushed out automatically when about 24 hours elapse, I decided not to care about fine things.


Although the protective sheet is a glare type, it looks settled quietly without shining on the tekkateka.


Although the friction with the finger is increasing more than the standard glass surface, it is not so much difficult to operate, so it will be no problem if you get used to it.


You can slide two fingers and do a pinch in / out operation without problem, level of sensitivity is not reduced, even if there is a level that can not be experienced.


I will also stick the protective sheet for the side. If the falling iPhone falls from the corner to the ground no matter how much it protects the liquid crystal surface, this part is very important.


If you stick firmly to the top and bottom, left and right border as follows, it is completed.



So, although it is not absolutely invincible, it is a product that can drastically increase the defense against the impact and fall of "iPhone 4 / 4S", so it is safe to stick it in preparation for the time of Isa.

For details on the test movies and materials released by the manufacturerPrevious articleCheck it out as you can see it.