.75” diameter opening for inspection and a blank space for on-site inscription.
1.0 mil environmental protectant (UV) laminate is included with a removable tab to overlay the inscribed marking.
Adhesive is high performance acrylic for enhanced bonding on textured surfaces.
Leachable chloride, fluoride and sulfur in the adhesive, as measured by ion chromatography – PPM – is 3, less than one, and less than one, respectively.