Classification opinions
… 1. Hot rolled steel plates of non-alloy steel (Dimension (width x length x thickness, in mm): 3100 x 6096 x 130), which have undergone the following processes of production: pre-heating, shot blasting, primer spraying, … rust. The chemical components of the primer are titanium dioxide (0.5 - 10 %), tetraethyl orthosilicate (25 - 40 %), …