Nowadays, security checkpoints are very common, and such devices are available at security checkpoints in railway stations, bus stations, airports, subways and other places. The theory is that through X-ray fluoroscopy, the items in the suitcase will be displayed on the screen in the form of images, to identify suspicious items and timely eliminate possible dangers. And the curtain on the security device, you’ll notice that it’s not just a regular rubber curtain. It’s used to block x-rays, which is…

With the improvement of living standards, more and more electrical products enter our life and work. According to the expert introduction, these electric equipment can produce electromagnetism radiate more or less. Although a lot of electric equipment mark the amount that accords with national standard, but concentrated radiation of numerous electric equipment still has harm to human body, especially to the pregnant woman that the body is in sensitive period and low resistivity period harm is bigger. Pregnant women who…

Tungsten polymer glove is a protection against physical, chemical, and biological factors that may harm the hands of workers. In addition to chemical resistance, it also has anti-cutting, electrical insulation, waterproof, cold prevention, heat protection, radiation protection, fire resistance, flame retardant and other dings, which can be applied to quality inspection, electronic industry, national defense military industry, aerospace, plastics industry and other industries. Tungsten polymer glove has high hardness, good wear resistance, long service life and cost saving for users.…

Tungsten polymer protective clothing has good moisture permeability and barrier property, which can effectively resist the infiltration of alcohol, blood, body fluids, air dust particles and bacteria, so as to protect the wearer from infection. Besides, it is light in texture, strong in tensile strength, breathable and waterproof. It is very comfortable to wear on the body. Tungsten polymer is a new type of non-polluting protective composite. It is also known as a kind of high density tungsten polymer composite…