Hot-dip Galvanizing Anchor Bolt

Hot-dip-Galvanizing-Anchor-Bolt

This kind of bolt adopts hot-dip galvanizing method. It forms a zinc oxide diaphragm or zinc hydroxide diaphragm on bolt surface.

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Duplex Coating Rock Bolt

Duplex-Coating-Rock-Bolt

There are two corrosion-prevention measurements on the bolt surface: epoxy coating and hot-dip galvanizing. Epoxy coating is made from a 100% epoxy resin coating material. Hot-dip galvanizing is a method that anchor bar gains metallic coating by immersing into molten galvanizing zinc.

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