Photo luminescent signs guide people from enclosed spaces during fires and other emergencies. Many fire laws call for long-lasting photo luminescent signs that are generally made of plastic compounded with strontium aluminate, a difficult-to-process material. Strontium aluminate poses processing challenges because it is as hard as tungsten and abrades screws and barrels during processing. The abraded metal fines block pores on strontium aluminate particles, so they emit less light in the dark.
Now Ampacet Corporation has introduced a line of improved strontium aluminate color masterbatches coupled with the support services needed to apply them effectively. The photo luminescent masterbatches can be used with a variety of polymers, including acrylic, polyethylene, and polycarbonate, nylon and other engineering resins.
02-May-06 
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