Covering powerWhen an object is coated with a certain paint, the ability of the pigment in the paint to cover the base color on the surface of the object to be coated, so that the base color can no longer be revealed through the paint.Covering power = pigment mass (g) / surface area of the object to

Fluorescent powderis fluorescent because it contains fluorescent dyes. The following explains the changes that the fluorescent dye molecule undergoes during fluorescence.

Common glow powder is yellow-green light, blue-green light, sky blue and violet light, red light, orange-red light, pink light, white light, etc. glow powder color: pink, orange, orange, violet, red, yellow, blue-green, sky blue, purple, green because the color glow powder is more expensive, the

Glow powder can be automatically glow material in the dark, the main component is rare earth, belongs to the inorganic materials. glow powder first absorb all kinds of light and heat, converted into light energy storage, and then in the dark automatically glow, by absorbing all kinds of visible light to achieve the glow function, and can be used for an unlimited number of cycles, especially for 450 nanometers below the short-wave visible light, sunlight and ultraviolet light (UV light) has a very strong absorption capacity.