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Fluorescent magnetic powder
荧光磁粉 这是一种在紫外线(黑光) 照射下进行磁痕观察的磁粉。荧光磁粉有水性和油性两种。
Fluorescent magnetic powder This is a kind of magnetic powder that can observe magnetic marks under ultraviolet (black light) irradiation. Fluorescent magnetic powder has water and oil properties.
It is made of magnetic iron oxide powder, industrial pure iron powder, carbonyl iron powder, etc. as the core, and a layer of fluorescent dye resin is adhered on the outside. Under the irradiation of ultraviolet light, it can emit the most sensitive bright yellow-green fluorescence with a wavelength of 510 ~ 550 nm, which is accepted by human eyes, forming a high contrast with the surface color of the workpiece. Fluorescent magnetic powder has high detection sensitivity, visibility and contrast with workpiece surface are much higher than non-fluorescent magnetic powder, easy to observe, can improve detection speed, and has a wide range of applications.