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THICKNESS: 20 gauge (.032" thick).
ETP Copper C11000 H02 (half-hard) Sheet
ENGRAVING: We engrave a permanent black image in copper. Our signs are vandal resistant: the copper will scratch before the engraved mark. The image is UV protected for outdoor or indoor use. Copper is a soft metal, stainless steel is more durable.
The revolutionary process uses precise lasers and marking materials scientifically formulated to permanently fuse to metals for high-contrast, high-resolution marks. Patented technology offers an unmatched combination of benefits that stems directly from the chemistry involved in its laser marking process.
Marking materials, or inks, consist of traditional ceramic glazing material, with the addition of a thermal absorber.
The ceramic glazing material is a mixture of glass frit small particles of partially fused glass designed to melt at a much lower temperature than ordinary window glass with pigments for coloring. The traditional use of such glazing material requires it to be applied to the surface of a ceramic object, and then baked in a very hot kiln for more than an hour. Once fired, the glass frit and pigments combine to form a thin layer of colored glass that is further fused onto the surface of the ceramic object.
The patented method uses a laser as the heat source to fuse the ceramic glaze instead of a kiln. All this happens in microseconds as opposed to hours, consuming far less “energy” and, consequently, without compromising or damaging the material being marked. It is the thermal absorber within the marking materials that enhances and speeds the heat absorption from the laser beam, improving the transfer to the glaze for a permanent mark.