1. Photography and lighting
Diffusion powder (such as magnesium powder) was first widely used in the field of photography. In the era without electronic flash, photographers ignited magnesium powder to obtain strong and instantaneous light sources for fill light and exposure. Although this method is complicated to operate, it has high brightness and color temperature close to daylight, and still retains unique value in some retro photography, experimental art and stage lighting. In addition, diffuser powder is also used to simulate explosions or electro-optical effects in movie special effects and theater performances to enhance the impact of the picture.
2. Fireworks and fireworks
Magnesium powder is an indispensable material in the production of fireworks because it can release strong white light when burning. It can be used to make flash bombs, flash flowers, burst flowers and other types of fireworks with high brightness and obvious dynamic effects. Combined with other metal powders (such as aluminum powder and titanium powder), different colors and flashing frequencies can be achieved, and it is widely used in festival fireworks performances, stage performance special effects and simulation of explosion scenes in film and television shooting.
3. Military and signal flares
In the military field, diffuser powder has extremely high tactical value. It is an important raw material for manufacturing instantaneous high-brightness devices such as flares, signal flares, jamming flares, and flash bombs, and is used for night combat lighting, enemy visual interference, positioning marking and other tasks. Modern military flash bombs also use astigmatism powder to work in synergy with other chemical agents to achieve tactical effects of blinding and confusing the enemy.
4. Metallurgical Industry
In metal smelting, astigmatism powder (especially magnesium powder) is often used as a deoxidizer, desulfurizer or reducing agent. It can react with oxides, sulfides, etc. to effectively extract pure metals and improve product quality. Magnesium powder can also participate in the smelting process of materials such as aluminum alloys and magnesium alloys to improve mechanical properties and corrosion resistance. It is widely used in aviation, automobiles, electronics and other industries.
5. Chemistry and scientific research
In chemical experiments, astigmatism powder is an important active metal material. Magnesium powder can react with a variety of halogenated hydrocarbons to generate Grignard reagents, which is one of the core reactions in organic synthesis. In addition, it is highly active and can be used in the laboratory to study metal reactions, thermochemical reaction kinetics, material combustion performance, etc. It is an important tool for basic research and application development.
6. Safety and rescue
In some emergency lighting, distress signals, and outdoor survival equipment, diffuser powder is used to manufacture emergency lighting sticks, flame signalers, and other equipment due to its easy ignition, high brightness, and fast ignition speed. Especially in extreme environments, diffuser powder can provide a reliable light source or signal, which helps to improve rescue efficiency.
7. Education and demonstration
In experimental demonstrations in middle schools, universities, and popular science institutions, diffuser powder (such as magnesium powder) is often used in teaching activities such as combustion experiments and redox reaction demonstrations. Its bright combustion and intense reaction help to enhance visual impact and improve students' interest and understanding of chemical reactions.