pure nickel strip:99.96% high purity nickel strip, can never result in rust, corrode and loose 16.4 ft length model 2P comes 0.2 mm thickness and 23mm wide,space distance 18.5mm This product is mainly used for manufacturing nickel cadmium, nickel hydrogen battery and battery combination, electric tools, special lamps and other industries.such as 18650 hydrogen batteries 5 meters(16.4 ft) long custom, very suitable for some small tests and experiments, not wasted because of multiple purchases, The guarantee is pure nickel, and the warranty period of the nickel belt itself is for life! How to determine whether it is pure nickel? 1, nickel belt usually has pure nickel belt and nickel-plated steel belt, pure nickel belt is relatively soft, and nickel-plated steel belt is relatively hard, in addition, because nickel density is larger than steel, in the same size and weight, they The volume is different, 2, using a grinding machine to polish, sparks, not pure nickel belt, pure nickel belt will not have sparks, this is the most simple and effective way, 3, the nickel element is a magnetic metal, with weak magnetic properties, can be attracted by the magnet, Please correct a misunderstanding that being attracted to a magnet is not pure nickel. 4, pure nickel belt will never rust, corrosion, can be soaked with salt water, testingThe guarantee is pure nickel, and the warranty period of the nickel belt itself is for life!. To judge whether it is pure nickel, (1) the sander grinds, there is no spark, (2) put in salt water, it will not rust,. The nickel element is a magnetic metal, with weak magnetic properties, can be attracted by the magnet, Please correct a misunderstanding that being attracted to a magnet is not pure nickel. 16.4 ft/roll length model 2P comes 0.2 mm thickness and 23mm wide, space distance 18.5mm,very suitable for some small tests and experiments, not wasted because of multiple purchases,. Nickel strip 18650,99.96% high purity nickel strip for 18650 battries spot welding, can never result in rust, corrode and loose.