UPOZORNĚNÍ: Vážení klienti, informace k distribuci 1 Kg stříbrné mince ČNB neleznete na stránce 10 000 Kč. Prodejna BRNO má z důvodu nemoci otevřeno do 16:00


High quality, traditional
precious metals products.

Prague Mint

Vacuum Quenching (Coin dies hardness obtained by quenching in vacuo.) - Custom minting
The mint dies are quenched in a vacuum furnace.

A vacuum die quenching belongs due to its high technical standard to “qualitative quenching”. In addition, a vacuum quenching is ecological, clean, and thanks to modern management units also economical. Its advantage is also higher speed of the process, and thus speed up the production.

Vacuum quenching furnace
Vacuum quenching furnace

At higher temperatures, which usually occur in vacuum furnaces (normal quenching temperature of 850 ° C - 1200 ° C), the vacuum provides significantly better protection against decarburization. Even at quenching temperatures around 1300 ° C, dies are shiny metallic after quenching.


www.prazska-mincovna.cz - Mincovna pro české sběratele. Mince a medaile z drahých kovů. ©2011-2021 Pražská mincovna a.s.