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K1 Mineralglas

K1 mineral glass is a hardened mineral glass which is much harder than normal mineral glass. The glass is made by grinding and not by heating.K1 mineral glass is a hardened mineral glass which is much harder than normal mineral glass. The glass is made by grinding and not by heating.

The following comparison helps with orientation:

Vicker hardness test : sapphire - around 1900, K1 - around 700, mineral glass - around 380
Mohs hardness scale (from 0-10, the hardness of diamond is 10) : sapphire - around 9, K1 - around 6, mineral glass - around 4.

 

Tags: K, M
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