MATERIALThe luminous tube is mainly composed of rare earth materials. The inside of the tube is filled with rare earth materials of various colors. The outer layer of the tube is made of hard and thick glass. Rare earth materials are safe and environmentally friendly, and have a long luminous time and high luminosity.
MATERIALThe light emitting tube is filled with some safe mixture of rare earth elements. It can emit light only after receiving light. The light source can be natural light, flashlight light. The intensity and time of light will affect the intensity and time of fluorescence emitted by the light emitting tube