Copper has been included in the mandatory ISI Certification Scheme under IS 191:2007. This product cannot be exported/imported or sold in the Indian consumer market without ISI Mark imprinted.
This standard specifies the chemical composition and physical properties of various types of copper in the form of refinery shapes.
The refinery shapes include horizontally, vertically, and continuously cast wire bars, cakes, billets, and ingots. Wire bars, cakes, and billets are intended for fabricating into wrought products, and ingots are intended for alloying in wrought and cast copper alloys.