Where salt and water conspire to eat your steel, H-501 fights back with self-healing oxide armor.
The "iron bodyguard" your concrete deserves.
Product Introduction
When 12 high-rises showed rebar corrosion after just 5 years, engineers were baffled – until they cut open a column treated with H-501:
"It's like giving rebar an invisibility cloak against chlorides."
1.Smart Film Formation
H-501's ions migrate to rebar surfaces, patching micro-cracks with γ-Fe₂O₃ crystals – think of it as self-healing armor for steel.
2.Chloride Jailing
The film's lattice structure acts like a nano-sieve:
3.Allows O₂ and H₂O passage (for cathodic protection)
4.Blocks Cl⁻ ions (size exclusion effect)
5.Concrete's Secret Weapon
Unlike competitors that weaken mixes, H-501 actually boosts 28-day strength by 9% – probably because it reduces micro-cracking during curing.
Product Parameters
| Property | Iindicator | Iindicator |
| State | - | Powder |
| Corrosion Resistance | Saltwater Immersion | No rust on steel surface |
| Saltwater Boiling | No rust on steel surface | |
| Concrete Properties | Initial Setting Time (min) | ≥ 45 |
| Final Setting Time (h) | ≤ 10 | |
| Compressive Strength Ratio (7 days) | ≥ 90% | |
| Compressive Strength Ratio (28 days) | ≥ 100% | |
| Recommended Dosage | Mild Corrosion Environment | 1.5–3% (per cubic meter of concrete binder) |
| Severe Corrosion Environment | 3–5% (per cubic meter of concrete binder) |
Product Usage
1.Concrete Batching
Add with first 10% of mixing water
Extends set time by 15-30 mins (plan pours accordingly!)
2.Never
Mix with calcium chloride accelerators
Use in prestressed concrete without our tech team's nod
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Our products have undergone rigorous testing at our national testing laboratory (CABR testing center co., ltd). Renowned Fortune Global 500 firms such as China Railway Group Limited, China Communications Construction Company Limited, and Sinohydro are among our esteemed clients.
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