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Photoluminescent Pigment ：Lanthanide activated aluminate photoluminescent pigment has a high initial luminance and long afterglow. The working principle is like this: when exposed to light of 200-450nm wavelength, some electrons in the pigment will become excited and will return to the ground state gradually by emitting visible light. So the pigment will continue to glow when light source is removed. Its luminance and afterglow exceeds that of the conventional zinc sulfide pigment by over ten times. Tests by national authoritative institutions have proved that photoluminescent pigment is non-toxic and non-radioactive. Chemically stable, the functional additive could be evenly dispersed into such transparent medium as paints, inks, plastics, printing slurries, ceramics glaze, glass, and synthetic fibers to make different photoluminescent safety and decorative products.
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 Photoluminescent Signs：Photoluminescent Signs include directional signs, building signs and door signs made by screen-printing, spray-painting, letter die-cutting and laminating. The substrate can be of plastic or metallic sheeting. Their features include:
1. Wide Range of Application, High Luminescence, Long Afterglow Unlike the single-function conventional signages, Photoluminescent Signs can serve as signs for exit routings, staircases, building floors, safety exits, evacuation exits, fire facilities, evacuation warnings and prohibition alerts under normal lighting conditions. Charged for only 10-15 minutes, it can glow many hours in total darkness.
2. Low Cost, No Energy Consumption, Maintenance Free, Long Service Life.The use of Photoluminescent Signs requires no electric power or maintenance.
3. Environment Friendly, Stable and Dependable Photoluminescent Signs are free from toxicity, harm or radioactivity, and they could be customizes to meet the requirements of many circumstances. 4. Incorporatable into Wide Range of Materials Photoluminescent Signs could be added into various materials including plastics, rubber, ceramic, and porcelain enamel, inks and paints. 5. Easy of Installation, Safe and ReliableTo sum up, Photoluminescent Signs, can save energy and protect environment. Being safe, chemically stable and widely applicable, they are excellent substitutes for the conventional signages. They not only enhance the functions of the traditional signages but also extend adaptability, thus improving the living environment and adding beauty to the urban landscape. Photoluminescent Signs are a good value and have a vast market potential. Photoluminescent Fire Signages passed all the tests in April 2002 by China National Center for Quality Supervision and Test of Fixed Fire-Extinguishing Systems and Fire-Resisting Building Components, Ministry of Public Security; while Photoluminescent Name Plates were tested in July 2003 by the Institute of Toponymy Study of the Ministry of Civil Affairs, as entrusted by the Beijing Public Security Bureau, and the Beijing YGWN was then certified as "Approved Manufacturer of National Standard Name Plates". EXIT signs are tests by ETL. an international leader in testing, inspection and certification and are found to meet UL924 standard. YGWN provides a wide range of Photoluminescent Signs in terms of materials, types and models, and manufactures according to customers’ specifications. It is our principles to provide satisfactory products to the customers.
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 Photoluminescent Ceramics：The environment-friendly Photoluminescent Ceramics are featured by non-toxicity and non-radioactivity. The products incorporate luminescent material into ceramic glaze, and thus possess advantages of ceramics: high mechanical strength, excellent weatherability, good heat resistance, long aging period, easy washability, elegant decorativeness, long service life. They are a new generation of photoluminescent ceramics.Their ability to emit yellow-green or blue-green light makes Photoluminescent? Ceramics good warning signs when they are installed on the walls and grounds of public facilities to provide LLL lighting. Photoluminescent Ceramics can play an important role in guiding to safe exit in case of emergency situations or power failure.
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 Photoluminescent Plastic Films： Photoluminescent Plastic Films (including sheets) are moulded products from resins that incorporate with photoluminescent pigments. After being exposed to visible light, those films would continue to glow for over 24 hours (the brightness reaches or exceeds that of the best photoluminescent pigment). Being stable and weather-resistant, this procedure of being charged and emitting light could repeat almost infinitely. Photoluminescent Plastic Films are the new development of highly-effective photoluminescent products by YGWN to meet the current world market demand, they would not only meet the most demanding applications in military, aviation, maritime shipping, highway transportation, security control, fire fighting, but also find application in garments, ornaments and fine arts
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 Photoluminescent Paints：Photoluminescent Paints are special mixtures of lanthanide aluminate photoluminescent pigments and resins that are blended by a new technology. They not only preserve the common properties of paint but also have additional characteristics of photoluminescence. After being exposed to the normal light for 10-15 minutes, Photoluminescent Paints would give an afterglow for about 5 hours. Being stable and radioactivity free, Photoluminescent Paints could be widely used to give directions on roads, in airports and harbours and underground parkings, and for the evacuation in public facilities and mining industries.Photoluminescent Paints have played an important role in maintaining safety on highways, rural roads and in tunnels. It would effectively help prevent the hit-and-run cases if Photoluminescent Paints are applied to the number plates of heavy-duty vehicles so as to reduce pressures on the traffic police and safeguard lives of people.
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 Photoluminescent Reflective Safety Vests (Tapes)：Photoluminescent? Reflective Safety Vests (Tapes) are the combination of photoluminescent products and imported reflective beads with features of high photoluminescence in darkness and strong reflection when being irradiated. Photoluminescent Reflective Safety Vests (Tapes) have surpassed the conventional reflective vests in terms of the functions and appearances, and could be used by field staff, ttheir safety and identification.
Other Photoluminescent Products ：
YGWN provides many other items such as photoluminescent helmets, ornaments, toys, school articles, plastic products. Meanwhile, the company still endeavors to develop new products to meet the ever-growing demands of the market.
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