Chelated corrosion inhibitors

Description

1. Product Overview
This product is a high-performance chelated corrosion inhibitor engineered to form stable, water-soluble complexes with metal ions, thereby passivating metallic surfaces and suppressing electrochemical degradation. It is primarily used in industrial fluid systems—including cooling towers, oilfield brines, and closed-loop heating/cooling circuits—to prevent pitting, scale-induced corrosion, and galvanic attack. The key value proposition is extended asset life with lower treatment dosages compared to conventional phosphates or nitrites. Strategically, it enables industries to transition away from hazardous or regulated inhibitors (e.g., chromates, high-zinc formulations) while maintaining operational integrity in aggressive aqueous environments.

2. Key Specifications & Technical Characteristics

• Chemical composition: Proprietary blend of EDTA-based chelates (disodium/magnesium salts) and synergistic azole derivatives (≥95% active content)

• Purity level: Industrial grade; free from heavy metals, halogens, and phosphonates (compliant with EU REACH & US EPA Safer Choice criteria)

• Physical form: Clear to pale amber liquid

• Density at 20°C: 1.18–1.22 g/cm³

• pH (as supplied): 8.5–10.0

• Solubility: Fully miscible in water, glycols, and oilfield brines (up to 250,000 ppm TDS)

• Packaging options: 25 L HDPE jerricans, 200 L steel drums (epoxy-lined), 1,000 L IBC totes, and bulk isotanks

• Shelf life: 24 months in original sealed container (5–40°C, protected from freezing and direct sunlight)

3. Core Industrial Applications

• Oil & gas production: Injection water lines, flowback fluids, and produced water handling – Chelated inhibitors remain soluble in high-salinity brines where phosphates precipitate, reducing system fouling by 40–60%.

• Power generation: Cooling towers and heat exchangers – Maintains <3 mpy corrosion rates on carbon steel at 50–80 ppm dosage, outperforming nitrite-based systems that require 10× higher concentrations.

• HVAC & industrial closed loops: Chilled water and hot water circuits – Eliminates localized under-deposit corrosion due to chelation of existing iron oxide deposits, extending maintenance intervals from 12 to 36 months.

• Manufacturing & metal processing: Parts washers, quench tanks, and hydrostatic test fluids – Compatible with mixed metallurgies (steel, copper, aluminum) without galvanic acceleration, a key weakness of traditional molybdate inhibitors.

4. Competitive Advantages

• Quality consistency: Batch-to-batch variation <2% (ISO 9001:2025 certified; each COA verified via ICP-OES and FTIR).

• Supply reliability: Redundant production lines in three geographies (Americas, EMEA, APAC) with 98.5% on-time-in-full track record.

• Logistics capability: Dangerous goods classified as non-hazardous (non-flammable, non-corrosive) – lower freight cost and simpler cross-border clearance.

• Price competitiveness: 12–18% lower total cost of treatment vs. polyphosphate/zinc blends when accounting for reduced blowdown and wastewater disposal fees.

• Sustainability & technical support: 100% recyclable packaging available; free inhibitor efficiency modeling using your water chemistry (provided within 48 hours of request).

5. Commercial & Supply Information

• Minimum order quantity (MOQ): 1,000 L (4 × IBC totes or equivalent)

• BULK 20MT loading capacity: 20 metric tons per 20-ft ISO tank container (net weight)

• MT per standard container:

  • 20-ft dry container: 16 MT (80 drums of 200 L)

  • 40-ft dry container: 26 MT (130 drums)