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Best Quenching oil is a specialized fluid used in the heat treatment of metals to control cooling rates during processes like hardening, annealing, or tempering. It plays a crucial role in determining the microstructure and mechanical properties of the treated material. Low viscosity oils allow for better heat transfer and uniform cooling.https://www.indiamart.com/proddetail/fully-synthetic-engine-oil-use-for-bs6-engines-11191354697.html?srsltid=AfmBOopoGmksYO6Y9OTxtwL65LTiLxpuPbta1Sak0NPwwBHBBaRXnP9K
Types of Best Quenching Oils
Water-Soluble Polymer Quenching Oil for Hand Tool & Aluminum Industries
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Product Name: OPCL Polymer Quenching oil AQ-95
Description:
OPCl Best Polymer Quenching oil AQ-95 is a high-performance water-soluble polymer quenching fluid designed for controlled and uniform cooling in metal heat treatment processes. It is particularly suitable for use in the hand tool and aluminum industries, where the need for precise hardening and minimal distortion is critical.
This advanced polymer-based quenchant provides the thermal properties of traditional oil quenchants with the environmental and safety benefits of a water-based system. It is free from mineral oils and hazardous additives, making it a clean, safe, and eco-friendly alternative to conventional quenching oils.
The formulation consists of a synthetic polymer dissolved in water, creating a transparent or slightly viscous liquid. Upon application, it forms a film that controls heat extraction from the metal surface, ensuring uniform hardness, minimized cracking, and reduced distortion — essential for high-performance hand tools and precision aluminum parts.
Best Quenching Oil Key Applications:
Hand Tool Industry: Ideal for quenching forged carbon steel tools such as pliers, wrenches, hammers, chisels, and knives. Ensures uniform martensitic structure and avoids cracking in high-carbon steels.
Aluminum Industry: Suitable for heat treating aluminum components, extrusions, and castings where controlled cooling is required to avoid warping or surface defects.
Best Quenching Oil Technical Specifications:
| Property | Specification |
|---|---|
| Appearance (Concentrate) | Clear to slightly hazy liquid |
| Appearance (Diluted 10%) | Transparent solution |
| Base | Synthetic water-soluble polymer |
| Recommended Dilution | 5% to 20% in deionized water |
| pH (at 10% dilution) | 8.5 – 9.5 |
| Viscosity (at 25°C, 10% dilution) | < 10 cSt |
| Cooling Rate (10% at 80°C) | Moderate (between water and oil) |
| Corrosion Protection | Excellent (with proper rinsing) |
| Biodegradability | High |
| Flash Point | None (non-flammable) |
| Residue | Minimal, water-washable |
| Compatibility | Ferrous and non-ferrous metals |
| Storage Life | 12 months (concentrate) |
Advantages:
Controlled Cooling Rates:
Polymer concentration can be adjusted to achieve specific cooling curves, ideal for different materials and component thicknesses.
Avoids the extreme thermal shock of plain water quenching, reducing the risk of cracks and distortion.
Eco-Friendly and Safe:
Free from mineral oils, nitrites, and hazardous chemicals.
Non-flammable, reducing fire hazards in the workplace.
Biodegradable and easy to dispose of following environmental regulations.
Improved Surface Finish:
Leaves minimal residues on parts, allowing for clean, oxide-free surfaces post-treatment.
Prevents staining and water spots common in water-only quenching processes.
Cost-Effective:
Extended bath life with proper maintenance.
Reduces the need for post-quench cleaning or neutralization.
Low usage cost due to high dilution ratios.
Excellent Compatibility:
Can be used for ferrous alloys (e.g., carbon steels, tool steels) and non-ferrous metals like aluminum.
Suitable for complex geometries where uniform quenching is critical.
Operational Guidelines:
Dilution: Use deionized or soft water for best results. Avoid hard water to prevent scaling and polymer breakdown.
Temperature Control: Maintain bath temperature between 30°C and 60°C to ensure consistent cooling behavior.
Filtration: Use filters to remove debris and maintain clarity of the solution.
Concentration Monitoring: Regularly test using a refractometer to maintain desired concentration.
Typical Use Case in Hand Tool Industry:
In the production of high-strength hand tools such as carbon steel hammers or screwdrivers, PolyQuench AQ-95 is diluted to 10–15% concentration. It provides a controlled cooling rate that ensures full hardness without cracking, maintaining the dimensional integrity required for tool fitting and safety.
Conclusion:
PolyQuench AQ-95 is an ideal choice for industries needing precision, safety, and environmental responsibility in their quenching processes. Whether manufacturing rugged hand tools or precision aluminum components, this water-soluble polymer quenchant delivers reliable metallurgy, operational safety, and cleaner processing compared to traditional quenching oils.