ceramic road stud,ceramic cat eye,reflective road stud,reflective road marker,road marker, ... stud100x100x20mmwhite&yellow270G±10gWeathering resistance:16280h Load capacity:>20 ton 1. Ceramic non-reflective pavement markers consist of a heat-fired, vitreous ... and a heat-fired, opaque, glazed surface; 2. Ceramic non-reflective pavement markers' glazed finish protects against weathering especially ...