Simple method for identification of food grade 304 stainless steel

Simple method for identification of food grade 304 stainless steel
In life, we will come into contact with a lot of stainless steel products (such as electric kettle, knife, fork, barbecue tools, etc.), some will identify this is food grade 304 stainless steel, but it's really true, now you only need to spend on the internet more than ten dollars to buy a 304 potion, can make all stainless steel test again, and see if it is food grade 304 stainless steel.
Tools/Materials
a, 304 Test Potion
b, A 9V battery
c, Stainless steel material
d, Two thin metal wires about 5 centimeters long
Methods/Steps
1, wipe the stainless steel surface clean
2, 304 drops of water on the surface of stainless steel
3. Connect two metal wires to the two ends of the battery.
4,2 the other two ends of the wire, one end of the contact on the stainless steel surface, the other end on the 304 potion, wait for 3 seconds reaction time
5, observe the color of the potion, contrast the potion instructions, you can know whether this is 304 food grade stainless steel
Matters needing attention
Stainless steel surface should be clean

The battery must be charged

Know how to detect the method of food grade 304 stainless steel, we should try to buy and use food grade 304 stainless steel products so as to ensure our health. We are Lane Joy Technology Co. Ltd and we are a factory located in Shenzhen, we are good at making all kinds of 304 stainless steel products for more than 13 years such as barbecue tools, Baking Rack, Cooling Rack, cooking rack, fruit and Vegetable basket, pull out cabinet organizer and we can offer customize service on both products and package base on your artwork and we can add your logo on any of your products.Welcome your inquiries at sales02@szlqy.com