Рет қаралды 26,297
Inox test, test for 201 or 304 stainless steel, inox and real stainless steel. Use battery pack 12v or 9v battery to try. Use salt water to try. When trying to touch 1 pole on the object and the other pole into the drop of salt water. Do not touch both poles on the test object.
When the saline droplets have evaporated and the residue is left, then stopping to wipe away the black spot will see the corrosion of real and fake stainless steel.
Usually fake stainless steel will turn dark and corrosion is higher than stainless steel 304https: // nhatquang.nguyen.378537
/ nguyễn nhật quang
email: minhnhatbill709@gmail.com
Zalo: 0975883171