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JALITE Photoluminescent Products

JALITE Photoluminescent Products

JALITE photoluminescent products and materials have been designed, manufactured and supplied as the core products of its extensive range of safety signs and related risk reduction products since the early 1970s. JALITE Group manufacture photoluminescent fire, health and safety, means of escape safety signs and safety wayguidance system components as well as other photoluminescent products for safety applications worldwide. Safety signs are produced to the International Language of Safety Signs ISO EN 7010 and in many languages of the world. Other photoluminescent products include paints, marker tapes, photoline matting and high visibility clothing. Specialist signs are manufactured for marine and offshore applications.  

General information

JALITE INC

JALITE INC

JALITE INC is supporting North and South American clients and users expanding the applications of UL924 Photoluminescent Signs, Safety wayguidance systems in tall buildings as well as use in transportation. Technical and Customer Service support is given in long established applications of Military, Aviation and Marine and Offshore sectors

Legislation , Workplace Safety

Prohibition safety signs

Prohibition safety signs

Prohibition fire safety signs are used to enforce control risk measures by identifying specific forbidden behaviour to reinforce and complement formal training. Of course, in fire safety management as well as under Health and Safety regulations in the work place it is essential to prohibit and restrict behaviour that can create a fire risk or a risk of injury. JALITE photoluminescent signs are very conspicuous in all lighting conditions and attract attention hence adding to their effectiveness. JALITE signing provided immediate, visible proof to employees and inspectors of the seriousness of the safety policy and practices in an enterprise.

Products , Technical , Workplace Safety

Photoluminescent safety signs from JALITE

Photoluminescent safety signs from JALITE

JALITE photoluminescent signs are in a Class of their own by design of the communicated message and remain conspicuous and recognizeable in darkness. JALITE safety signs provide the visible cues and direction information for speedy and orderly escape in an emergency and in power loss. JALITE photoluminescent safety signs form part of a comprehensive fire safety management strategy and fulfill both legislative conformance requirements and enhanced safety and reduced risk in many situations. JALITE is happy to work with all organisations with a high safety awareness and desire for improvement to develop a detailed safety signing policy consistent with embracing this technology and moving to an "above minimum safety' environment. The advances in luminance performance and in unique manufacturing techniques produce visual properties of JALITE UL 924 Exit Signs that offer an extremely viable option to electrical emergency Exit signs and are now also available to meet ISO Standard designs.

General information

Photoluminescent and JALITE Terminology

Photoluminescent and JALITE Terminology

Activator ionic impurity in a host material which acts as a luminescing centre, also called dopant. Afterglow general emission of light after a source of excitation energy is removed, usually by phosphorescence. Anti-Stokes a material which converts low energy light to high energy light by photoluminescence. Also called up-converter. Candela unit of luminous intensity. Cascading multiple absorption/emission cycles in a material where the emission from one cycle is matched to the absorption of the next. Cathodoluminescence luminescence where the initial energy comes from fast moving electron bombardment, such as on a television screen or computer monitor. Charging excitation of a phosphorescent material, usually by incident light. Chemiluminescence luminescence where the initial energy comes from chemical reactions, such as phosphorous burning in oxygen. Correlated colour temperature the colour of white light sources, the temperature of the black body radiator which produces the chromaticity most similar to the light source. Unit: °K. Daylight fluorescence (DF) fluorescence where the emission is in the visible spectrum. DIN67510 Part 1 specification describing afterglow performance in a standard way, in the form a/b - c - d - e, where a is afterglow brightness in mcd/m2 after ten minutes, b is afterglow brightness after sixty minutes, c is the decay period in minutes to 0.3 mcd/m2, d is excitation colour code, e is emission colour code. Parts 2 and 3 refer to in situ testing of photoluminescent items. Dopant ionic activator commonly used in inorganic phosphors. Excited state condition of a charged phosphor before emission. Electroluminescence (EL) luminescence where the initial energy comes from electric fields, usually alternating. Fluor a substance exhibiting fluorescence. Fluorescence very fast absorption and emission of photons where there is no appreciable afterglow. No electron spin inversion is involved. Flux (light) luminous intensity, usually of a light source, per unit solid angle; Unit: lumen. Illuminant A, B, C incandescent illumination in the range 380nm to 770nm, respectively 2856K (yellow), 4874K (mean noon sunlight) and 6774K (average daylight, blue). Illuminant D daylight illuminants defined from 300-830nm, designated with a two digit subscript to describe Correlated Colour Temperature, e.g. D65 indicates 6500K, close to Illuminant C. Illumination luminous flux, usually of incident light. Units: lux or lumens per square metre. Infrared part of the electromagnet spectrum immediately less energetic than visible light, ranging from around 700 nanometres to 10 microns wavelength. Intersystem crossing transfer from one molecular angular momentum state to another by electron spin inversion. Principal of physical phosphorescence. Killing quenching. Light output quantum efficiency multiplied by amount of absorbed radiation. Lumen unit of light flux. One lumen equals the flux emitted into a solid angle of one steradian by a point source of one candela. Luminance brightness, usually of a surface, i.e. luminous intensity per unit area. unit: candelas per square metre, usually expressed in millicandelas per square metre. Luminescence emission of light from a substance unaccompanied by heat. Luminophor luminescent material. Luminous directional reflectance reflectance of a surface in given directions of illumination and view. The ratio of the brightness of a surface to the brightness that an ideally diffusing, perfectly white surface would have if illuminated in the same way. Units: none. Luminous intensity a fundamental unit derived from black body radiation at set conditions in a given direction. Unit: candela. Luminous efficiency (L) luminous flux emitted by a source, per unit of power consumed. Unit: lumens per Watt. Lux unit of illuminance, lumens per square metre. In imperial units, one footcandle is approximately 10 lux. Optically active a) luminescent, b) able to change the polarity of incident light during reflection. Phosphor a substance exhibiting the property of phosphorescence. Phosphorescence slower absorption and emission of photons where afterglow is usually apparent, involving electron spin inversion allowing absorbed energy to be trapped for a period before being released as photons. Photoluminescence luminescence where the energy comes from incident light. Includes fluorescent and phosphorescent processes. Quantum yield (q) ratio of energy emitted by a luminescent substance to that absorbed, expressed as a percentage or decimal part of unity. Units: none. Quenching the loss of luminescent emissions to absorbing centres, or the addition of an agent to do this. Also called killing. Radiant efficiency ratio of emitted luminescent power to power absorbed from exciting radiation. Radioluminescence (RL) luminescence where the initial energy comes from radioactive decay, e.g. as with tritium. Products relying on RL are also called self emitters. Resonance radiation fast fluorescence with no internal loss of energy. Saturation charging of a phosphorescent material to maximum. Scintillator photoluminescent material with absorption at very low wavelengths, i.e. gamma or X rays. Self emitter radioluminescent material. Stokes shift difference in wavelength peaks between absorption and emission curves in photoluminescent materials, positive where wavelength increases, negative where wavelength decreases. Unit: nanometres. Strontium Aluminate a collective term for a group of crystalline phosphors derived from Strontium Oxide and Alumina (and silica) singally or doubly doped with rare earths Europium and Dysprosium. Thermoluminescence luminescence where heat energy triggers emission of photons from internal energy previously stored. Triboluminescence short lived luminescence caused by the violent breaking of chemical bonds, often associated with frictional forces. Ultraviolet part of the electromagnet spectrum immediately more energetic than visible light, ranging from approx. 100 nanometres (VUV) to 400 nanometres (UVA) wavelength. Up-conversion photoluminescent process converting lower energy incident light to higher energy emitted light. Also called anti-Stokes.

General information

Disaster Preparedness: Hundreds Evacuated in the Dark when Generators Fail.

Disaster Preparedness: Hundreds Evacuated in the Dark when Generators Fail.

May13th marks week two of the International Code Council’s Building Safety Month focusing on Disaster Safety and Mitigation. With hurricane season being less than two months away, JALITE wants to know: As an employer, are you prepared to keep your employees safe during a disaster? NYU Hospital thought it was prepared when it installed backup generators. During 2012’s deadly Hurricane Sandy, which claimed the lives of almost 300 people and left over 8 million people without power, over 200 patients in NYU hospital were forced to be evacuated when their backup generators failed. With a hospital plunged into darkness, some patients had to be carried down 15 flights of stairs with only a flashlight to guide them. As we’ve mentioned before in our article about “slips, trip, and falls”, visual impairment when walking down stair is one of the leading causes of workplace injuries; a task made even more challenging when done in the dark. NYU wasn’t the only hospital evacuate in the darkness. In fact, several NYC hospitals were also evacuated due to power failures. With over 178 million power outages each year in the US, how do you safely evacuate a building? JALITE egress markers and stair markers are manufactured to guide you to safety under any circumstances; our photoluminescent technology makes is clear to see in even the darkest conditions. Contact us for more information!

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Jalite distributors

JALITE Authorised Distributors share the JALITE philosophy of providing best practice advice and guidance in the selection of product and in supply, installation, service and maintenance.

JALITE products are found from professionals in the fields of property management and maintenance, fire protection and fire prevention service companies, safety product supply companies and other specialist sign companies.

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Jalite is active in over 109 countries

In the 35 year history of JALITE, products have been developed and supplied to over 100 countries in the world and often with safety messages in the local language or with dual language, with the International Safety language English. It has been a JALITE tradition to fully comply with National and International Standards for the design of our products. Now, with JALITE presence on three continents and Authorised Distribtors world wide we can be considered local throughout the world. Interested to Distribute JALITE products in your area of safety or your district and country? Just send us a mail and contact us now with an introduction.

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  • Lloyd's Register
  • BSI Group
  • International Maritime Organization
  • International Organization for Standardization
  • Photoluminescent Safety Products Association