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A revolution in safety
Currently, Hi-Viz garments rely on fluorescent fabrics to enhance the wearer’s visibility in daylight, and retro-reflective materials to reflect back vehicle headlights in darkness. VizLite DT phosphorescence offers a third level of protection, when there is low light or no light, by giving off an intense glow for up to 8 hours, without the use of batteries. VizLite Dual Technology phosphorescence is charged by ultraviolet light after five to ten minutes of exposure. There is a range of VizLite Dual Technology products to meet the needs of the global safety market.
VizLite DT Products
A domestic wash phosphorescent and reflective sew on fabric
VizLite DT is a pale-yellow fabric tape that uses phosphorescent technology to absorbs UV light energy from natural or artificial light, which is then emitted as an “afterglow” in low light or no light conditions. It also has a top layer of clear glass beads for added reflectivity.
VizLite DT IW
Industrial wash phosphorescent and reflective sew on fabric
This product uses phosphorescent technology that absorbs UV light from natural or artificial light which is then emitted as an “afterglow” in low or no light conditions. VizLite DT IW has a top layer of clear glass beads that give a smooth surface
VizLite DT 7050
Phosphorescent material with reflective tape, in one single sew on fabric
VizLite DT 7050 is comprised of phosphorescent and reflective technology. Certified to meet EN 20471:2013 and ANSI 107:2010. It can be incorporated as a retro-reflective material on garments which are to be certified to those standards.
VizLite DT HA
Heat applied phosphorescent and reflective film
VizLite DT HA is a phosphorescent and reflective heat applied film that offers an innovative solution to garment branding.
It can be applied using standard heat press equipment and is suitable for use on waterproof garments to reduce seam sealing.
VizLite DT FRA
Meta-aramid based FR phosphorescent and reflective sew on material, suitable for industrial laundry
VizLite DT FRA is an inherent FR Meta-aramid sew on fabric, suitable for use in the production of fire-retardant garments and accessories, that are required to meet the international global fire standards. It has a high laundry performance making it suitable rental garments that require industrial laundry.
VizLite DT FRC
FR treated fire retardant phosphorescent and reflective sew on material
VizLite DT FRC has a 100% cotton substrate with a fire-retardant treatment, making the materials suitable for use in the production of fire-retardant garments and accessories. It also has a top layer of clear glass beads to offer reflectivity.
VizLite DT PRO FIRE
A phosphorescent, ISO 20471 retro-reflective and fluorescent sew on fabric tape, designed for use in fire rescue garments
VizLite DT PRO FIRE is a multi-technology meta-aramid fire retardant tape that combines fluorescence, reflectivity and phosphorescence into a single tape that can used on fire and rescue clothing and accessories.
VizLite DT PRO FR
A flame retardant ISO 20471 retro-reflective and phosphorescent sew on fabric, ideal for high visibility PPE and FR garments
VizLite DT PRO FR is a multi-technology meta-aramid fire retardant tape that combines reflective and phosphorescent technology into one single tape system, that can be used to increase visibility in all light conditions.
VizLite DT PSA
A self-adhesive phosphorescent and reflective material
VizLite DT PSA is a phosphorescent and reflective self-adhesive material and is suitable to use on a variety of substrates. It has a anti-UV coating and a top layer of clear glass beads. VizLite DT PSA can be printed to produce stickers and decals.
VizLite DT PRO FIRE. Patented Multi-Technology Fire Trim
Retro-reflective materials use microscopic aluminium coated glass beads, or plastic prisms, to reflect light back to the source. The source is usually vehicle headlights. These types of materials will bounce light back at a range of angles to make the wearer visible in the dark and low light conditions.
Retro-reflective technology relies on a light source being present to work. Without a light source they are invisible.
This type of technology absorbs and re-emits light energy immediately, to increase visibility in daylight. These bright fabrics make the wearer more conspicuous against the surrounding background. Fluorescence is a type of Photoluminescence similar to Phosphorescence but instead of storing UV energy the molecules in the fabrics absorb light and re-emit it immediately.
Fluorescence requires a light source, when there is no light fluorescence is invisible.
The pigments used in VizLite DT phosphorescent have been formulated to ensure a quick charging time of between 5 and 10 minutes, a strong level of afterglow brightness, extensive wash performance, and a long lasting afterglow of up to 8 hours.
VizLite DT phosphorescent materials absorb UV light energy from either natural or artificial light, which is then re-emitted as an afterglow in low light and dark conditions.
When there is no light source or reduced light, phosphorescence is highly visible.
How does VizLite DT Work?
On an atomic level when the electrons in an atom of phosphorescent pigment are exposed to photon energy in the form of UV light, they enter an excited state and move into a higher spin state. This Excitation of electrons to a higher state is accompanied with the change of a spin state.
Once in a different spin state, electrons cannot relax into the ground state quickly because the re-emission involves quantum mechanically forbidden energy state transitions. At this point the electrons return to the ground state releasing the stored energy as visible light. As these transitions occur very slowly in VizLite DT, absorbed radiation may be re-emitted at a lower intensity for up to eight hours after the original excitation.
The Strontium Aluminate phosphorescent crystals that are used to produce VizLite DT are formulated to meet Viz Reflectives requirements of a quick charge time, a bright “afterglow”, extended “afterglow” period and high laundry performance.
The following chart shows the different charging times for VizLite DT depending on the light conditions. The light intensity is measured in Lux which is the number of Lumens per square metre.
|3,000 - 50,000
|Fluorescent Office Lights