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Understanding Reflector UVA lamps (RUVA)
Cutaway of RUVA UV curing lamp
Left: Regular lamp - Right: RUVA lamp


Most lamps are standard grade that emit light in all directions. With these, you have to use reflector shields to bounce the light back into the direction you want. Most Solacure lamps are RUVA design, or Reflector UVA lamps, and they have their own built in reflector. Above is a diagram that shows a comparison of RUVA lamp versus regular lamp. Below is a diagram that shows the relative intensity of light coming out of the lamp, when looking at the lamp end on:

How RUVA UV lights work
Lamp is shown light blue, internal reflector is shown bright blue. It will actually be white.


There are several reasons we build our lamps with their own reflectors, the most important being that UV is very difficult to reflect. The best "common" material for reflecting UV is polished aluminum. This includes the stuff you buy on a roll for wrapping up left overs. It does a fair job as well, managing to reflect about 50% of the UV that hits it. The rest is ionized as heat. This is basically the same material that is used inside tanning beds, because it is cheap, fairly effective and easy to work with. However, the coating that is in our RUVA lamps is better. It does cost a little more to produce lamps with a built in reflector, but it more than pays for itself in dramatically higher output.

The coating we use is designed specifically for ultraviolet, and is over 80% efficient, far surpassing polished aluminum. The average output of our lamps is 35%-50% higher using this reflective coating, compared to manual reflectors. This results in a lot of power that was lost, and now put to work.

Even better, this makes designing your UV curing rig simpler, as you don't have to concern yourself with designing a reflector system in most applications. There are a few apps that do benefit 10% or so, such as guitar cabinets, or other designs where you are completely surrounding the item with lights in all angles, so you are "recycling" the light that didn't hit the object. Even in these special cases, using RUVA lamps means at least 40% more power to the finished item.

Because RUVA lamps are so much more intense, you have to understand this when designing your rigs. This is why you can't have the lamps a foot apart, as you would have relatively cold spots in between them. For more information on proper lamp placement, see our special page on this.

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Solacure Means Quality

Solacure ultraviolet lamps aren't just good, we guarantee they are the best. We don't use stock parts anywhere in our products. Our glass is a special blend, and more transparent to UVA and UVB. Our 32 watt lamps use 60 watt rated cathodes and are tested at almost 70 watts of power. Almost all our lamps have built in reflectors. All are designed to be overdriven to extra high wattages. We test, and test, and test our lamps.

We stand behind everything we sell and guarantee each will perform exactly to specification, or we will replace them. We don't want your business this week, we want it every week, and we are willing to earn it. There really is a difference in quality when it comes to ultraviolet bulbs, and Solacure tops the list.

Buy with confidence: We like what we do, and we've been doing it for over 30 years.
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