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February 2012 DYMAX Light Lines

Hand-Held Spray Gun Dispenses Masking and Coating Materials with Ease

Dymax SG-100 hand-held spray guns, available in both standard and high-flow models, provide a solution to manually spray fluids for masking and coating applications. Both SG-100 models utilize a front-closing, stainless steel needle valve to control fluid flow and have a dual-acting air cylinder that provides immediate start/stop functionality. A stroke adjustment on the valve can be used to fine tune the flow rate and a precision air regulator/gauge assembly simultaneously activates the atomizing air while the valve is opened and fluid is flowing.
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In-Line Curing Gasket Allows for Increased Production Speed and Lower Processing Costs

GA-112 is a new UV/Visible light-curable, form-in-place/cure-in-place (FIP/CIP) gasket that is formulated for applications requiring compression set, a tack-free surface, and durable sealing. This gasketing resin can be dispensed into intricate and complex configurations with the added benefit of rapid in-line curing, allowing for increased production speed, greater output, lower processing costs, and reduced inventories – no more racking, stacking, waiting, and un-racking as required with traditional FIP gaskets. Dymax gaskets can easily accommodate component design changes and part variation without additional development costs.
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Strippable Mask for Electronic Applications Cures in Seconds to Maximize Production Speed

Ultra Light-Weld® 9-20479-B is a blue, peelable masking material that cures in seconds when exposed to UV/Visible light.  This material is designed for rapid masking of electronic components and assemblies, provides protection from reflow or wave soldering operations, and shields keep-out areas during conformal coating applications. Ultra Light-Weld® 9-20479-B electronic masking material is extremely thixotropic and is ideal for manual or automated dispensing on boards or components that may be difficult to mask with other methods. It is solvent and silicone free, and does not contain VOCs. Cured masks withstand wave solder and reflow temperatures and are easily removed, eliminating the concern of ionic contamination or silicone left behind by other masking methods. Learn more…

Video of the Month - See-Cure Technology

Watch the adhesive bead transition from blue to clear as it cures.


Q: "Will overexposure during curing have any effect on the adhesive?"
A: The effect of underexposure is obvious… incomplete cure. The effects of overexposure are more complex. Double and triple exposures (two to three times the dosage required to cure) typically have little effect on light-curable materials. However, significant overexposure to UV light with attendant heat may age Dymax materials and some substrates (especially plastics). Severe aging may appear as cracking, physical distortion, changes in color, or chalking. Some physical properties such as an increase in hardness or decrease in elongation may also change. Read more…

Latest Blog Posts!


How do I Reverse Syneresis in an Adhesive?

» Common Causes of Non-Passive Bulb Failure in Light-Curing Equipment

Newtonian vs. Thixotropic Viscosities


Should I Continue to use Solvent Bonding for my Pebax to PVC Application?


Dymax will be exhibiting at MD&M West on February 14-16, 2012 at the Anaheim Convention Center in Anaheim, CA. Stop by the booth 2239 to see the latest in light-curing technology for medical device manufacturing.

Dymax Oligomers will be exhibiting at Radtech UV/EB Technology Expo on April 30 – May 2, 2012, at the Hyatt Regency Chicago in Chicago, IL. Stop by booth 413 to see Dymax’s new UV/EB oligomers.


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