2026 New Standards: A Collection of Corrosion Protection Coating Requirements for W Beam Guardrails
The new national standard GB/T 18226-2025 Technical Requirements for Corrosion Protection of Steel Components in Highway Traffic Engineering will be officially implemented on March 1, 2026. It unifies the specifications for core indicators such as classification, thickness, adhesion amount, adhesive force and salt spray resistance of corrosion protection coatings commonly used for W beam guardrails. The accurate collection is as follows.
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