How to Use Water-Based Cleaning Agents
In traditional industrial cleaning, solvent-based cleaning agents were commonly used. However, harmful substances like trichloroethylene have been phased out due to their toxicity. As a result, eco-friendly solvent alternatives, such as hydrocarbon cleaning agents, have become widespread. Yet, as industries seek to cut costs, new water-based cleaning agents are gaining attention for their affordability, efficiency, and environmental benefits.
If you've previously relied on solvent-based cleaners, transitioning to water-based options requires careful consideration. What challenges might arise? And how do you select the right water-based cleaner for your company’s needs? Let’s break this down step by step.
First, consider the diversity of materials used in industrial production—stainless steel, copper, aluminum, iron, alloys, and plated surfaces. Not all materials are compatible with water-based cleaners. For instance, iron is prone to rusting when exposed to water, while copper and aluminum may oxidize or discolor after cleaning. These concerns are valid, but advancements in water-based cleaning technology have addressed these issues. Rust inhibitors can now be incorporated into water-based formulas to protect materials like cast iron from corrosion during cleaning. Similarly, specialized formulations exist for sensitive metals like copper, ensuring they remain unharmed. These solutions are already trusted by major casting and machining firms.
Next, think about your company’s existing setup. Water-based cleaning often requires heating and sometimes ultrasonic equipment to boost effectiveness. However, depending on the product’s surface and client specifications, such equipment isn’t always necessary. If you currently lack cleaning gear, assess whether investing in it aligns with your budget and operational goals. For example, if you already own an ultrasonic cleaner with three internal tanks, you could adapt the process by dividing it into multiple stages—degreasing, rinsing, and drying. Without equipment, you’ll need to weigh the costs of acquiring new systems against the potential savings from switching to water-based cleaners.
Once you’ve considered compatibility and equipment, the next critical step is verifying the practicality of water-based cleaning for your specific application. No single cleaner works perfectly across all scenarios. Product-specific adjustments to the formulation are often needed. Partnering with a water-based cleaning agent manufacturer that offers R&D support can help tailor solutions to your exact needs. Always remember that theory must be tested in practice.
Here’s a real-world example:
A metal stamping factory in Shenzhen’s Longgang district recently received an order for stainless steel stampings with stringent surface quality demands. The customer expected zero dirt, scratches, or deformities. Through recommendations, the factory reached out to our company, Changlufeng Chemical. Our team sent a representative to visit the facility and discuss their requirements.
The materials were SUS304 stainless steel, featuring surface grime and oil residues from processing and molds. Our customer service specialist outlined two primary cleaning methods: solvent-based and water-based. Since the factory lacked prior experience with cleaning processes, Manager Lin asked which approach was superior in terms of efficacy, cost, and equipment requirements.
We provided a balanced assessment. For long-term projects requiring high volumes (like the 100K pieces/day in this case), water-based cleaners are cost-effective over time due to their dilution-based usage (typically 2-5% concentration). However, the process involves multiple steps, including rinsing with industrial-grade purified water. Solvent cleaners, while pricier per unit, involve fewer steps and are ideal for smaller batches or short-term needs.
Manager Lin opted for water-based cleaning given the long-term nature of the order. Based on the company’s current setup, we proposed a multi-stage process: ultrasonic heating for coarse cleaning, followed by fine cleaning, municipal water rinsing, another rinse, purified water final rinse, and drying. To optimize results, additional spray rinsing or air-drying could be integrated. Depending on testing outcomes, the number of ultrasonic stages could be reduced.
After preliminary simulations, the factory confirmed the water-based method met their standards. By simplifying the process to just one ultrasonic cleaning stage, Manager Lin was satisfied with both performance and efficiency. The final protocol became: ultrasonic cleaning → rinsing → purified water rinse → drying.
This collaboration proved mutually beneficial. Both parties were pleased with the outcome, setting the stage for future partnerships.
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