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We don’t have warranty for damaged products. Sapphire will crack like glass. High hardness level doesn’t mean crack proof. We only promise that the product is made from 99.99% pure synthetic sapphire, with scratch protection up to Mohs 9.
We understand that sapphire is much more expensive than average products. We now provide a 30% off replacement purchase for damaged ones. You will be required to mail the damaged one back to us to be eligible for the discount (shipping will be free if you live in the US). Please see details on the product detail page.
9H is taken from the pencil hardness scale, which is a marketing fluff.
Mohs 9 is the hardness of corundum, right below diamond on the Mohs scale.
Although 9H is on the top of the pencil scale, a 9H pencil can never scratch any glass because it’s at around level 3 on the Mohs Scale. Knives or keys are below the hardness of glass (6), which means they won’t scratch glass either.
No, the difficulty level is positively correlated to the size of the screen, making sapphire protector of that size will be very expensive.
We will do that if we find one that works with sapphire. We currently don’t have sapphire screen protector for android phones because most of them have large curves on the screen. Unlike glass, sapphire cannot be bent under heat because sapphire melts at 2050 degree Celsius. iPhones are ideal because the entire display area is completely flat.
Is the installation easy enough to do at home?
Yes, we have detailed tutorial videos about the installation of all products. For each sapphire screen protector there is a precise installation frame in the package. If the result is not satisfying, we provide one free replacement (shipping included) if you live in the US.
hundred years of expertise.