Industrial and Commercial Bank of China black and white board: The DONCHAMP black and white board has a frosted texture on one side, which helps to promote the vibrant diffusion of LED light sources. The main color is semi transparent, and diffused natural light maintains its original color. When illuminated, it transmits the color wavelength of artificial LED light. The principle is to use black transparent acrylic with a white light source inside. When it is incident, it is black, and when it passes through the light, it is white. That is, when the black surface is seen during the day, the light projected at night becomes very obvious white.
Industrial and Commercial Bank of China black and white board: The DONCHAMP black and white board has a frosted texture on one side, which helps to promote the vibrant diffusion of LED light sources. The main color is semi transparent, and diffused natural light maintains its original color. When illuminated, it transmits the color wavelength of artificial LED light. The principle is to use black transparent acrylic with a white light source inside. When it is incident, it is black, and when it passes through the light, it is white. That is, when the black surface is seen during the day, the light projected at night becomes very obvious white.
Acrylic color changing board is made by adding a certain amount of light changing material according to different color changing needs, so that the luminous characters/light boxes made of it present two different colors when exposed to external light sources or when the built-in light source is turned on. For example, the black logo seen during the day becomes white when the light is projected at night (the color of the light source), which solves the problem of black logos not being visible at night.
·Excellent light transmission and diffusion achieve high transparency
·Energy saving/green and environmentally friendly/long lifespan
·Color Change/Distinction
·Lightweight/easy to transport
·Strong weather resistance/not easily yellowed or brittle
Acrylic is a plastic polymer material. When selecting materials, it is necessary to choose acrylic sheets that are brand new and have relevant performance parameters that meet the requirements of the national standard GB/T 7134-2008. Otherwise, some performance and weather resistance cannot be guaranteed. Under normal usage conditions, the fading is not significant within three years (except for specially designated indoor color boards). The performance parameters of the new acrylic material are shown in the following table:
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Performance ProjectTechnical ParameterNotes
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Thickness tolerance/mm+0.54-5mm
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Tensile strength/Mpa≥70
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Tensile modulus of elasticity/Mpa≥31001
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Rockwell hardness/M scale≥98
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vicat/C≥105
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Flame retardant gradeB2-E
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Elongation at break/%≥4
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After 10 years of use, the transmittance decreases/%≤10Completed 10000 hours of rapid aging test, equivalent to 20 years outdoors
