Investing in the Right Tempered Glass Screen Protector for Your Phone or Tablet
When you invest in a new smartphone or tablet, you are right to be concerned about protecting your screen. Without extra protection of a tempered glass screen protector, your screen is vulnerable to damage. As screens get more innovative, repair costs keep rising. It is tempting to pay whatever it costs to keep your screen safe. However, why pay substantially more than you have to?
Zagg InvisibleShield vs. SaharaCase ZeroDamage
One of the more popular screen protection solutions on the market is the Zagg InvisibleShield. Zagg's protective glass starts at $39.99. That high price would seem to indicate that this would be one of the best options to protect your device. However, what if you could have more protection for half the price. The SaharaCase ZeroDamage Tempered Glass retails for $24.99, but is it as good as Zagg InvisibleShield?
We decided to put the two brands to the test. Moreover, to be sure we would get accurate results, we didn't resort to gimmicks like the ones you can watch on YouTube. We didn't throw tennis balls at the glass or hit it with a hammer. We conducted a controlled, scientific experiment using digital calipers and a pressure tester. These scientific tools allowed us to record the exact data, testing both pieces of tempered glass in the same environment.
Factors in Testing the Tempered Glass Screen Protectors
We considered two factors in our testing. First was the thickness of the glass. The second was the amount of pressure the glass sustained before it broke. These are the two most important things to consider when buying the right glass to protect your expensive screen.
Zagg InvisibleShield vs. SaharaCase ZeroDamage: The Results
We measured the thickness of each tempered glass using a digital caliper, that allowed us to record exact data in millimeters. The results might surprise you. The Zagg Invisible Shield showed a reading of 0.46mm. The SaharaCase ZeroDamage, at one-quarter of the price, came in just slightly thinner at 0.41mm. Glass that is too thick, can diminishes the performance of your touch screen.
Next, we measured the strength of the tempered glass using a Mark-10 Pressure Tester with a cone point attachment. The cone point attachment helped us to replicate the most common cause of LCD screen breakage, falling on a sharp object like a rock or the edge of a step. The results might surprise you. Using the pressure tester, we slowly increased the pressure until the glass broke. The Zagg Invisible Shield held on and finally broke when the pressure hit 19.5lbs. The SaharaCase ZeroDamage held on past that. In fact, the glass didn't yield until it hit an astounding 29.5lbs.
Why Pay More for A Screen Protector and Get Less Protection?
If you want to protect the screen on your new phone or tablet, would you pay more for less protection? The SaharaCase ZeroDamage Tempered Glass Screen Protector outperforms the Zagg InvisibleShield in a controlled test and is half the price.
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