Landline phone detection. When using a mobile phone next to a fixed phone, the mobile phone will cause interference to the microphone when it is close (this is caused by the electromagnetic wave radiation emitted by the mobile phone itself when working). Use radiation-proof clothing to separate the mobile phone and the fixed phone. If the electromagnetic wave interference disappears, there will be Certain radiation protection effect. If there is no landline, you can also use powered speakers or radios instead. Ways to burn fabric. Generally, a small piece of fabric is included in the packaging bag of radiation-proof clothing for users to test. Users can use the fire method to test. The radiation-proof fabric is burned into a metal mesh structure or spherical powder. Based on the above testing methods, you need to pay attention to the difference in results when testing radiation-proof clothing made of different materials: Stainless steel metal fiber radiation-proof clothing: After the sample cloth is burned, check whether the burned metal fiber mesh is tight and whether the fibers are arranged neatly. If Everything is in good condition, indicating that the radiation protection effect is good. Silver fiber radiation protection suit: After being completely burned with fire, it will turn into a small ball, and then crushed into powder.