... construction period. The corner bead is made of galvanized steel , its advantages inlude anticorrosion, shock resistant ,ageing resistance,lowcost, environmental protection ... 0.30~0.50mm Length :45mm or 50mm Type :galvanized corner bead ,stainless steel corner bead ,aluminum corner bead ,pvc conrner bead ... the most fragile part of the plasterSpecification Flange width (mm)Thickness(mm)Length (mm) ...