Duplex Coating Rock Bolt
Reference Price
$0.00
Anti-corrosion Mechanism
Duplex coating is a combination of hot-dip galvanizing and epoxy coating. Firstly, product is hot-dip galvanized, and then epoxy powder is sprayed on the surface. The anchor bolt has better anti-corrosion performance and longer service life after two kinds of anti-corrosion processes. It can not only resist ordinary chemical corrosion, but also work in acidic environment and electrochemical corrosion with stray currents.
Product Standard
Duplex coating combines all the performance parameters of hot-dip galvanizing and epoxy coating. Hot-dip galvanizing meets the requirements of the table below. Epoxy products are mainly based on EN 13438 “Paints and varnishes - Powder organic coatings for hot dip galvanized or sherardized steel products for construction purposes”, with a minimum coating thickness of ≥60um. Bending performance of epoxy coating complies with ISO 1519 “Paints and varnishes - Bend test (cylindrical mandrel)”. Impact performance meets ASTM D2794 “Standard Test Method for Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact)”. Adhesion conforms to ISO 2409 “Paints and varnishes -Cross-cut test”.
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