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In recent years, one of the most noticeable developments driven by the rapid advancement of the hardware processing industry is the intense competition. As the unit price of products continues to drop, companies are under pressure to find ways to cut costs. What was once overlooked—such as cleaning costs—has now become a key factor in maintaining competitiveness. The current common approach is to use water-based cleaning agents, which significantly reduce the cost compared to solvent-based alternatives. But the question remains: can we still further reduce cleaning costs after switching to water-based solutions? Is there a way to do it more efficiently? Evergreen Peak believes the answer is yes!
The method recommended by Evergreen isn't just about cleaning and degreasing—it's about oil drainage.
Most commercial cleaning agents on the market work by dissolving oils and dirt into solvents or water. Typically, solvent-based cleaners have an effective cleaning capacity of around 25% when dissolving oil. Once this drops to 13–15%, operators often consider the solution ineffective. For water-based cleaners, the effectiveness depends on their active ingredients. High-temperature cleaning processes tend to last longer, but they also require higher cleaning standards.
So what exactly is oil drainage? According to Evergreen Peak, it’s a process where the oil is not dissolved but rather separated from the surface of the product. This allows the oil to rise to the top or sink to the bottom of the cleaning solution, making it easier to remove through physical separation. This technique dramatically extends the life of the cleaning agent.
For example, a hardware stamping factory in Longhua faced a serious issue with heavy oil stains on its products. To cut costs, they switched to a water-based cleaning agent. However, because the oil was very thick, the cleaning agent failed quickly, requiring a daily change. This led to high overall costs. The company then contacted Evergreen Peak for help. After understanding the situation, Evergreen proposed an oil-draining solution.
Product material: aluminum
Contamination type: mainly stamping oil
Original cleaning process: ultrasonic water-based pre-washing - ultrasonic water-based fine washing - water rinsing - water rinsing - water rinsing - drying.
Evergreen introduced the concept of oil drainage to the company's manager and conducted tests with some uncleaned parts. The next day, the customer service team brought the cleaning agent samples to the site for small-scale testing. The new process was: ultrasonic water-based oil drainage - ultrasonic water-based degreasing - water rinsing - water rinsing - water rinsing - drying. At the first station, an oil-draining metal cleaner specifically formulated for the company’s stamping oil was used. Within one minute, a large amount of oil detached from the surface and floated to the top. The operator then removed the oil manually before moving the part to the second station. There, a water-based degreasing cleaner was applied for one minute, and the process was repeated three times. After thorough rinsing and drying, the final product met the customer’s cleanliness requirements.
The result was impressive: the cleaning agent lasted twice as long as before, and the cost was reduced by half. Additionally, the cleaner provided by Evergreen was competitively priced.
Evergreen Peak reminds users that oil-draining metal cleaners are not suitable for all types of oil. Each type of contamination must be analyzed and addressed with a tailored solution. Always consult a professional cleaning agent manufacturer for the best results.
Company: Shenzhen Changlufeng Chemical Technology Co., Ltd.
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