Duplex Coating Rock Bolt
Product Summary
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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Features:
1. Permanent and durable.
2. High-reliability.
3. High-tenacity.
4. Comprehensive protection.
| Duplex Coating Rock Bolt | ||||||
| Sample | Size | Ultimate Tensile Strength (KN) | Yield Strength (KN) | Hot-dip galvanized zinc coating thickness(μm) |
Epoxy Layer Thickness (μm) | Excecutive Standard |
 |
R32N | 280 | 230 | ≥70 | ≥60 | 1.Hot-dip galvanizing: ISO1461 2.Epoxy Layer: ISO1519 |
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