Keep the literal source claim

No such conversion is established by our selected records. The Pro and Air glass descriptions use 9H hardness wording but do not provide a complete test-method record in the inspected body. We do not relabel that as 9 on the Mohs mineral scale or claim an independently verified scratch test.

Do not infer a different scale

Different hardness methods measure different things. A letter attached to a marketing value is not a basis for a mineral-scale conversion. If a procurement decision depends on the exact method, ask the maker for the current technical evidence and scope. Do not fill the missing method from a generic article about another protector.

Separate hardness from drops

Hardness is also not the same as drop protection, pressure endurance or the chance of a tablet screen breaking. The selected Pro listing’s 110 lb pressure claim remains a separate source statement. No tablet, glass sample or stylus tip was subjected to a test here, and no guarantee against cracks is issued.

Ask for technical evidence

The magnetic product does not inherit the glass records’9H wording. Compare documented material, device scope and price first, and mark the missing measurement evidence honestly. An anonymous clear-sheet photograph is illustrative, not a hardness test or a certificate that a received product meets an unverified scale.

A purchase case to keep explicit

A purchasing requirement naming a particular hardness test needs an actual method record. A 9H marketing value without that evidence cannot be converted into a Mohs rating. Ask for the exact current technical scope rather than accepting an invented conversion table.

Sources & scope

Checked November 5, 2026. Manufacturer and retailer references support the specific statements. Dated displayed prices are not final checkout quotes, performance rankings or performance testing. This shopping reference does not replace the exact product label or retailer instructions. Current received labels and independent device/material/content/commerce review remain pending.

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