Hard Gold is not pure gold, it has another metal, often Cobalt, co-deposited to harden the deposit.
I do not believe this is possible with "galvanic", or what we in the States call immersion gold.
All galvanic gold is soft, or pure, gold.
Regards,

Rudy Sedlak

"Janoch Jiøí, Ing." <[log in to unmask]> wrote:
Hello Technetters,
If galvanic gold plating used, what is the difference between soft and
hard gold ?
(appearance, durability, environment resistance etc.)

Thanks for reply

J.Janoch, TSE

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