We are introducing the principles of phosphorescence and the mechanisms of luminescence.
Kawamoto Concrete Industry is a specialized company in concrete products, excelling in the sale of concrete secondary products and grating. This document introduces the luminescent principle used in our "glow-in-the-dark sign plates." 【Luminescent Principle 1】 There are two main types of luminescence: "sulfide type" and "oxide type." ■ Sulfide Type - Inexpensive and easy to handle - Weak afterglow and deteriorates, so it does not glow much - Mainly used in children's toys ■ Oxide Type - High initial brightness and excellent afterglow - Expensive and difficult to handle - Not commonly used for disaster prevention and safety *For more details, please refer to the PDF document or feel free to contact us.
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**Mechanism of Luminescence** 1: When phosphorescent material absorbs light, electrons are excited. 2: When light absorption ceases, electrons transition from the excited state to a lower energy level. 3: The phenomenon of photons being emitted, known as the "photoelectric effect," occurs, making it appear to glow (luminescent phenomenon). *For more details, please refer to the PDF document or feel free to contact us.*
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Company information
Kawamoto Concrete Industry Co., Ltd. is a specialized concrete products company that excels in the sales of concrete secondary products and grating. We manufacture and sell custom-made concrete products, starting with our original product, the "Furusato Masu." Additionally, our company receives orders from all over the country, primarily centered in Mie Prefecture, including the Kanto region (Tokyo, Yokohama, etc.). Please feel free to contact us with any inquiries.