This standard specifies silver electroplating (hereinafter referred to as plating) with an effective surface thickness of 0.5 μm or more on metal and non-metallic substrates for industrial purposes.
JIS H 8621:1998 history
1998JIS H 8621:1998 Electroplated coatings of silver for engineering purposes
1993JIS H 8621:1993 Electroplated coatings of silver for engineering purposes