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Epoxy coated rebar coupler are made by preparing a layer of epoxy resin protective coating on the surface of ordinary steel bar sleeves through electrostatic spraying and high-temperature melting of powder. The anti-corrosion epoxy coated rebar coupler protection system is impermeable, thus preventing corrosive media such as water, oxygen, chlorides and other chemical components from coming into contact with the steel bar sleeve, effectively protecting the steel bar sleeve and greatly extending its anti-corrosion life.
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| Rebar Diameter | Outer Diameter(mm) | Length(mm) | ||
| mm | ||||
| Rebar Strength Level ≤400 | Rebar Strength Level 500 | Rebar Strength Level ≤400 | Rebar Strength Level 500 | |
| 12 | 18 | 19 | 28 | 32 |
| 14 | 21 | 22.5 | 32 | 36 |
| 16 | 24 | 25.5 | 36 | 40 |
| 18 | 27 | 28.5 | 41 | 46 |
| 20 | 30 | 31.5 | 45 | 50 |
| 22 | 32.5 | 34.5 | 49 | 54 |
| 25 | 37 | 39.5 | 56 | 62 |
| 28 | 41.5 | 44 | 62 | 68 |
| 32 | 47.5 | 50.5 | 70 | 76 |
| 36 | 53 | 56.5 | 78 | 84 |
| 40 | 59 | 62.5 | 86 | 92 |
| 50 | 74 | 78 | 106 | 112 |
Ultra-long service life: Design life ≥100 years (3 times longer than ordinary sleeves) for connections with rebar with threaded end;
Insulation and anti-corrosion: Completely isolates the electrochemical corrosion of steel bars, especially suitable for splash zones; The maintenance cost of steel bar connections in the splash zone is reduced by 90% (throughout the entire life cycle)
The unique properties of epoxy resin powder combined with electrostatic spraying technology can ensure good adhesion between the coating and the surface of the base steel bar sleeve, with high ductility.
Silent construction: No sparks, no noise, and night construction does not affect the ecology.
The cast-in-place piers of the bridge in the splash zone are reinforced with epoxy-coated steel bars, and epoxy-coated sleeves are used for the connection of the steel bars.
Lianyungang is a coastal area. Chloride ion corrosion (high rust prevention requirements for steel bars) needs to be taken into account. All exposed steel bar joint areas should be coated with epoxy resin anti-corrosion layer.
The groundwater level in Shanghai is high, so an anti-corrosion protective layer needs to be applied after the sleeve connection.
