26.05.2014
For long distance irradiation required for offset printers, either at chain delivery parts or between colors. For regular curing and temporary curing in single-pass printers, and regular curing in multi-pass printers.
For curing application of optical fiber coating, wood coating, and mobile phone case hard coating, etc.
For exposure application for semiconductor wafer manufacturing equipment, liquid crystal panel pattern forming, PCB circuit forming, etc. Kyocera is a global manufacturer of proprietary ceramic materials that offer outstanding thermal conductivity.
Ceramic packages with thermally-conductive adhesive provide even higher heat dissipation and reliability in our LED packaging while also greatly reducing energy consumption.
Kyocera employs simulation technology to optimize characteristics such as irradiation, focal length and light uniformity. Kyocera offers standard products and customized designs to meet your individual requirements. Kyocera’s proprietary ceramic packages provide excellent heat dissipation, high-density LED mounting and high irradiation. Kyocera has achieved maximum irradiation capabilities at different focal lengths by optimizing the positioning of lenses and LED elements with our optical simulation technology. This allows the G4 Series to be installed at the chain delivery phase of a sheet-fed offset printer. Kyocera’s area-irradiation method employs ceramic LED packages and micro-lens array technology to provide a wide irradiation swath in the direction of delivery, which enhances curing performance and productivity.
Unless otherwise noted, all graphs and data on this site are based on Kyocera’s own research. UV curable adhesives are single part, solvent free, cure-on-demand adhesives suitable for a wide range of applications. Their use is widespread, particularly in medical device assembly and the electronics industry. Save Energy and Space – A UV curing light requires less electricity and space compared to ovens.
UV curable adhesives do not dissolve, melt or weaken the surfaces of the mated items or surfaces.
In the inkjet arena of narrow format, there is Screen (Dainippon), HP, Kodak Versamark and Agfa Dotrix.
Wide- and grand-format printing applications have flourished because of the flexible nature of inkjet technology and adaptability of inkjet chemistries to various substrates. The capability to control this change only when the printer needs it to happen makes the ink appealing to anyone occupied in the use or formulation of inks.
Sales of UV inks have been given considerable momentum by new European Union legislation on the emissions of volatile organic compounds (VOC). Second, UV-curable inks can be printed at higher speeds in both narrow- and wide-format sizes without the need for cumbersome drying systems. Coupled with that flexibility is the wider range of rigid substrates that these inks have superior adhesion to.
PhotoinitiatorsIn starting and completing the UV-curing process, photoinitiators are the prime components. The types of photoinitiators most commonly used in inkjet inks have been of the free-radical nature. MonomersA monomer (from Greek mono ?°one?± and meros ?°part?±) is a small, single molecule that may become chemically bonded to other monomers to form a polymer.
OligomersOligomers have a high molecular weight and form the chemical spine of a UV-curable ink. Additives Depending on the UV ink formulation, other additives can also be included, such as flow and wetting aids, antioxidants and stabilizers. Stabilizers are used to help with the ink??s shelf-life and increase the tolerance to heat, which is important at higher jetting temperatures.
Free-Radical UV InkPresently, the majority of flatbed inkjet systems use what are called free-radical UV inks, rather than cationic (containing positively charged electrons) UV inks.
Free-radical UV inks use an acrylate or urethane resin, which polymerizes rapidly when exposed to UV radiation. Free-Radical, Cure-UV LampsFree-radical UV inks typically use a shuttered mercury-vapor lamp on either side of the print head to produce enough UV output to complete the curing process. A UV lamp??s peak intensity will have a drop off in performance that is related to the bulb type, usage and duty cycle of the printer.
Even though the UV-curing process is fundamentally an immediate process ?? inks are certainly ?°dry to the touch?± right after printing ?? some post-curing does take place.
CationicCationic inks, which generally use epoxy resins instead of urethanes, also are virtually odor-free.
The curing process is best described as the following: The protons, generated from the photoinitiator during UV exposure, continue to be active after exposure.
These inks typically have better adhesion to the traditional ?°difficult?± substrates, like expanded plastics and glass. Cationic Cure LampsCationic inks cure from UV lamps that are ?°tuned?± to the specific wavelength of UV radiation needed by the photoinitiator.
Honle LED UV and LED Visible Light curing equipment offers unique features including intensity output control, multi-cycle programmability, RS232 interface for external programming and operation, and menus that can be displayed in four languages. As a recognized leader in UV curing technology, Hoenle UV offers the broadest range of LED UV curing equipment in the industry. Typical service life of the LED array is 10,000 hours, after which it can be replaced with a new array. Hoenle LED equipment offers unique features that include intensity output control, multi-cycle programmability, RS232 interface for external programming and operation, and menus that can be displayed in four languages. For maximum efficiency and shortest curing cycle, pair Hoenle LED equipment with LEDcure adhesives and sealants from Tangent Industries Inc.
Two studies point to the effectiveness of UV light in killing mold and bacteria, one in hospitals and the other in a commercial HVAC system. Ultraviolet Light Effective in Hospital Infection Control – In 2012, Researchers at Duke University Medical Center used ultraviolet radiation (UV-C) to nearly eliminate drug-resistant bacteria in 50 hospital rooms, reducing the number of bacteria by more than 97%. For just under $100 per year ($24 electricity + $70 replacement bulb), my family has peace-of-mind knowing that we are breathing the highest-quality indoor air.
HVAC UV lights are an effective means for improving indoor air quality, but only after following the indoor air quality priorities. Garnet M SleighterFebruary 3, 2015Where on the heat pump exchange is the best place to install the ultra light system, where it will be the most effective? Bryon ThomasJuly 17, 2016The UV light is usually installed on the supply side (where the air exits the blower). Bryon ThomasDecember 10, 2015Thanks for the clarification and good to know that HVAC UV Lights kill dust mites. Vernon TimmFebruary 13, 2015if the flex duct is not in direct exposure to the light, will deterioration still be a problem ?or should I just install the lamp in the return air intake where there would be no direct exposure to the lamp ? Ozone in the presence of germicidal UV-C rays would corrode your air conditioner’s cooling system, and even separate the aluminum fins from the copper lines in the air conditioner cooling coil.
Ray OdgersSeptember 3, 2015Ozone can be generated by UV lamps depending on the wavelength of the light generated. Is it Time to Upgrade to UV Lights During AC Repair La PlataJuly 16, 2015[…] in La Plata Maryland services will be more capable of handling UV-enhanced cooling systems. Asbury LemmonSeptember 17, 2015I had the Fresh Air model installed into our new home, i did the dual model one over the coil and one below.
Bryon ThomasDecember 15, 2015A licensed HVAC technician in the state of Florida should be able to install HVAC UV lights.
Mary HegartyJanuary 2, 2016Hello, My concern is similar to the letter above from another customer named Mary, re: odor from the AC. Bryon ThomasJanuary 16, 2016It is difficult to diagnose your problem without an on-site inspection by a building science professional. Then after a month without using the UV light, re-supply power to the UV light & run the HVAC system for a month, as you normally would. If no, then the source from your complaints stem from something else in the environment of your home. Bryon ThomasJanuary 16, 2016Mold grows 24×7, especially in damp air that is not moving.


CarynFebruary 20, 2016We have a maintenance agreement with our hvoc company and we had one come yesterday and they said we need a Apco Fresh Air UV System with a quote of $1857! Bryon ThomasFebruary 21, 2016Unfortunately, I have not personally used the Apco Fresh Air UV System. Remember, the coil may still get dirty even with a UV-C light if you do not have a good air filter and well sealed ducts.
Bryon ThomasMay 16, 2016It’s hard to say which one is the best as they all have pros and cons. BobMay 20, 2016In Illinois, APCO Fresh Air UVC System – installed inside the main duct is around $1050-$1300 by most HVAC specialists. Bryon ThomasMay 30, 2016I recommend contracting a RESNET or BPI building specialist in your area to diagnose your problem.
Laurie BonillaJune 1, 2016How much should I expect to pay to have a UV light installed bu my HVAC contractor? Infralight Pty Ltd is a leading supplier and consultant of infrared, infrared heating, infrared elements, infrared lamps, radiant tubes, twin tube heating quartz elements, infrared ovens.
An infrared cuiring and drying system can deliver heat quickly and accurately in the area that is required, energy is not wasted and it is a highly efficient heating unit. Infrared heating technology is used today for fast, targeted heating in a wide range of material processes. Speciality & Security ProductsIn addition to our core products, Zeller+Gmelin offer a range of specialist inks and coatings.
These materials facilitate high-performance LED packages that allow high-density LED mounting with excellent heat dissipation. These simulations allow Kyocera to optimize product performance by adjusting both the optical arrangement and the shape of the light-condensing lenses, imaging lenses and reflectors. The adhesives contain photo-initiators that react to specific light wavelengths, thus causing the curing process to begin. UV curable adhesives products became popular in medical device assembly field in the late 1980’s, when restrictions on solvent bonding drove manufacturers to find a more environmentally and user-friendly solutions.
A strong chemical bond is formed between the two substrates providing a high strength alternative to other curing methods.
Ink research and development for inkjet printing has never been greater, with a migration from the original water-based dye and pigment inks to the presently popular mid- and high-solvent and UV-curable inkjet ink types. Within the last two years, there has been a incredible rush toward the use of UV-curable inks in most of the printing markets. UV-curable inks, which were already being used extensively in the screen printing field, are replacing much of the solvent inkjet ink currently in use. Lastly, the flexibility now being seen in the UV ink formulations allows roll-to-roll capability, opening up fleet graphics applications in the areas of wide- and grand-format printing.
Compared to solvent inks, UV does not dry up in the inkjet head and exhibits a lower rate of nozzle failure caused by blockage. A polymer can be any of numerous natural and synthetic compounds of high-molecular weight, consisting of up to millions of repeated linked units ?? each a relatively light and simple molecule.
After absorbing UV energy from the light source located on the print head, the photoinitiators fragment into reactive materials that start the chemical reaction known as polymerization. Ink formulators work with photoinitiator suppliers to develop inks that are compatible with the UV output of medium-pressure, mercury-vapor bulbs found in most curing systems for inkjet printing. Monomers provide many specific functions within an inkjet formulation, depending on their viscosity and chemistry.
Oligomers determine the final properties of the cured ink film, including its elasticity, outdoor performance characteristics and chemical resistance.
Usually, the colorant is pigment-based because of the greater light fastness and durability of pigments compared with dyes. Surfactants (surface active agents) are included to ensure the ink film spreads in a controlled fashion, and coats the media or substrate uniformly. Simplistically, stabilizers neutralize or absorb reactive molecules in the ink during storage and prevent polymerization.
Recent innovations of new performance-enhancing, cationic-ink chemistry have stimulated their development for inkjet-type applications.
These bulbs are unbelievably hot, and that temperature gets transmitted to the substrate with each pass of the print head.
UV curing lamps age, and with subsequent changes in output, they may reach a point in which inadequate energy is emitted to fully cure the ink layer. Dust and ink residues on lamp windows and reflectors also can have an impact on the lamp unit??s output, requiring periodic maintenance to prevent any reduction in cure efficiency.
UV-curable inks are essentially on top of the substrate (unlike solvents that etch into the substrate), and the interface between the ink and the substrate is not as strong as solvent inks. They start to polymerize when exposed to UV radiation in the nanometer range which stimulates the photo initiator chemistry.
The excellent adhesion to difficult substrates is related to the ink??s reduction in shrinkage (due to heat), which is roughly one-third of that experienced by free-radical UV ink systems. Manufacturers also are utilizing UV-light emitting diodes (LED) lamp blocks to supply the necessary UV energy.
Light footprint options range from 0.5mm diameter point systems to linear arrays that can exceed one meter in length. Most Hoenle power supplies will drive multiple LED heads that can be programmed for sequential or independent actuation.
July 17, 2014 Bryon Thomas 60 CommentsIn 1903, Niels Finsen won the Nobel Prize in Medicine for his use of ultraviolet light in the treatment of tuberculosis. The UV light unit is installed in the return air duct and cycles on with the air handler blower.
BacJune 19, 2015Larry, please let me know if you find out the answer to your ozone question. While UV lighting has been used for years, it wasn’t until recently when it was incorporated into a cooling system. Some UV lamps meant for pool use are specifically designed to release ozone, and yours should NOT be that type, but rather ones designed specifically to minimize ozone production.
For example, I heard of a Sanuvox installation in San Antonio, Texas that cost $1500 for parts plus installation. Why not take a look at Google Adwords Keyword Tool and determine which one has the most searches? Infrared heating is commonly used in many industrial manufacturing processes: Drying and curing films, paints, inks, lacquers, adhesives, powder coating. The size of the infrared  system is very small compared to normal convection and other types of heating systems.
The gold reflector applied to the quartz tube directs all of the infrared heat onto the product where it is needed. This mode of heating allows the user precise temperature control over the process, saving production costs and time with a much higher qulaity of production. The advantage is the operation will save money on power as the system is only heating when product is being processed.
Infralight Technology supplies a range of infrared heating lamps from the quartz twin tube heating elements with the gold reflector to the halogen single tube elements.
Upon exposure to UV light of the proper intensity and spectral output, these products cure rapidly to form excellent bonds to a wide variety of substrates such as metals, glass and most plastics. The boom in the electronics industry in the 1990’s, saw the introduction of many exciting new UV curing adhesives, geared to help speed up production lines by giving instant, high-performance bonding results. A UV curable system does not require the addition of curing agents and cures within seconds.
Driving the shift to UV is its ability to almost immediately change the ink state from a liquid to an extremely resilient hard film.
This increase has been driven by new developments in ink technology and demand from printer manufacturers and end users.
Solvent- and water-based inks dry by evaporation and upwards of 80 to 90 percent of those ingredients go into the atmosphere as vapors during the printing process. Ultraviolet light is electro-magnetic radiation, situated between 200 and 380 nm of the light spectrum.
But there are downsides, including UV-light exposure hazards and possible sensitization issues related to the handling of uncured UV ink. Disadvantages from this type of light source include excessive substrate heating, high power consumption and the need for scheduled lamp replacement.


Most mono-functional monomers are used as ?°solvents,?± or flow modifiers, because of their ability to reduce viscosity and combine with other ink components.
Pigments used in outdoor advertising and display applications have similar requirements to those used in automotive paints. Careful control of drop-spreading behavior contributes to the dot-gain control, which is vitally important for image quality. There are limitations to free-radical UV inks, which include oxygen inhibition, poor adhesion to difficult substrates and residual odor. If the ink layer is not cured completely, the ink will not reach its intended hardness potential. Moreover, the effects of exposure time to UV radiation are cumulative: If an ink is over-cured, it can become fragile and flake off. In the past, cationic inks have been available for UV-curable analog printing, but the polymerization process could take hours from initiation to completion. That means a coating does not need to be fully cured after it leaves the light source, just dry to the touch. Cationic inks are sensitive chemistries, and can react with the bases and acids present in inkjet media, resulting in poor adhesion.
This feature enables UV inkjet systems to be used on substrates that, until now, had been considered unsuitable, including vehicle graphics, uncoated glass materials and other slick or heat-sensitive substrates. These two UV curing lamp systems do not generate the high temperatures associated with mercury-vapor lamps. His extensive background in digital imaging, electronic pre-press for print, professional photography and computers, serves members by supplying individualized solutions to their daily business problems. With Hoenle LED uv curing equipment, you have the option of selecting the curing wavelength most suitable to the adhesive or sealant being cured. Since then, ultraviolet lights have been widely adapted for all kinds of uses: sterilizing hospitals, sterilizing water, germicidal lamps in food establishments, and even curing nail polish faster.
According to the technician from Engineered Air, HVAC UV lights are very effective at controlling mold inside the air handler. You may also consider Aeroseal which seals the ducts from the inside, but that is not as optimal as properly installed ductwork. I am having a hard time getting ahold of anyone that will tell me the NM Wavelength of the bulb. Of indoor-usage UVC lamps, Wikipedia says “Lamps designed to release UVC and higher frequencies are doped so that any UV light below 254nm wavelengths will not be released, to minimize ozone production.
These building science professionals are highly trained in understanding your home as a system and can diagnose problems like this. If you see the light, I recommend installing it in a non-visible location: inside the air handler as that is where the greatest source of potential mold growth exists.
I know you have already spent a significant amount of money, but it is time to bring in the experts. Infrared heating is widely used to heat products on a web application such as glass laminating, removing film water, drying timber, paper.
A typical near infrared dryer will be less than a meter in length compared to 10-30m for a typical convection system and at a 10th of the cost. Normal electric or gas convection systems need to be operated continuously because they have very long warm up times. The advantages of UV-curable inks overshadow any disadvantages, marking them as the dominant ink system for the future of industrial inkjet printing.
Let??s go over some of the verbiage associated with UV inks, and how the UV curable process works.
Cold curing mitigates the heat issue associated with free-radical UV cure inks while, at the same time, the cured ink is more robust at its cured endpoint. Burton received his Bachelor of Science in Photographic Science from the Rochester Institute of Technology. If UV light is so effective, how can it be applied to improving indoor air quality for residential HVAC systems?
Even if you subscribe only 1 month, it is well worth the cost to get a shortlist of contractors. With properly sealed ducts and and HVAC UV Light, you will have a healthier indoor environment.
Search for a contractor on Building Performance Institute or RESNET for a professional in your area.
I would expect an on-site diagnosis to cost a few hundred dollars, with additional repair costs, but you will most likely get to the bottom of your problem once and for all.
Infrared is used as localised heating for spot repair on damaged vehicles, planes, various components, plastics. Because Infrared heat is actually light and has all the properties of light, the gold coating is applied to the back of the quartz tube, reflecting all of the heat. Fast response quartz infrared heating elements when the power is deactivated, switch off instantly with no residual heat. Infralight supplies all lamp types including short wave, fast response medium wave and medium wave heating elements. While a pigment is selected on the basis of the required application, size control and reduction along with dispersion technique are major components of ink formulation. He also mentioned that several clients with respiratory problems are even able to tell if the UV bulb has burned-out due to reduced air quality. As a first order of attack, I recommend having a building performance contractor visit your home. I also suggest reviewing the articles on the Energy Vanguard site such as How to Install Flex Duct Properly. We don’t seem to getting well from the flu and coughing, sinus infection, earache, etc. From a manufacturers viewpoint Infrared heating is fast and direct with high efficiency, infrared heating offers the operator precise control with high production, low capital costs, easily installed and flexible.
If there is an emergency stop for example, machine breakdown, a switch will disconnect the power to the heating elements. Yes, but you need to understand the priorities of indoor air quality and the types of UV lights available for residential HVAC systems. The quartz is 3mm thick and a gold coating is applied to the back of the quartz allowing 95% trasmittance of infrared heat.
A building performance contractor has a deep understanding of how a house works as a system including air sealing, insulation, mechanical systems, comfort, and health.
I just do let know if I am being taken advantage of and have never heard of anything like this.
Infralight Technology with 20 years experience in industrial furnace design, will custom design a solution based on your manufacturing criteria. The elements are very strong, made for industrial applications, fast switching and will last for thousands of hours of normal operation.
These ?°higher functions?± of a monomer add improved film hardness and resistance properties, but may also increase the viscosity of the chemistry. Quartz infrared tubes are the most efficient form of infrared heating because the quartz does not absorb heat, quartz is transparent to infrared light.
Metal sheathed elements or similar arenot as efficient because they absorb most of the heat generated and are very slow to warm up (minutes). Once installed and commissioned, the unit will operate continuously for thousands of hours.
The two leading organizations in the US are Building Performance Institute and RESNET (Residential Energy Services Network). This is a specialized field and these experts know how to diagnose and improve the comfort, health, and energy efficiency of your home.
Only after you have done all of this would I consider adding an HVAC UV light to your air conditioning system.



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