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Hank BS-400 Series: Combining rust resistance with environmental safety

Recent News
2026-08-10 08:23:15

In the field of modern manufacturing and metal processing, anti-rust treatment has always been a key link in determining product quality and service life. However, traditional anti-rust products are often difficult to balance between "high efficiency" and "environmental protection": strong formulas often contain volatile organic compounds (VOCs) and harmful solvents, which pose a threat to the health of operators and the ecological environment; while green formulas are often unsatisfactory in rust prevention cycle and corrosion resistance. The emergence of the Hank BS-400 series broke this deadlock. With its innovative water-based composite technology, it pushes anti-rust performance and environmental protection and safety to a new balance point, making it an ideal choice for many enterprises in the process of transformation and upgrading.

First of all, the core advantage of the Hank BS-400 series is its excellent anti-rust performance. The series uses a variety of high-efficiency anti-rust agents to cooperate, forming a dense protective layer on the metal surface through the dual mechanism of cathode and anode passivation and adsorption film formation. This protective layer can effectively isolate moisture, oxygen and corrosive ions, and can provide stable protection for months or even longer even in harsh environments such as high temperature and humidity, salt spray erosion, etc. For a variety of substrates such as carbon steel, cast iron, galvanized sheet, aluminum alloy, etc., the BS-400 series has shown excellent adaptability and can meet the differentiated needs of machining, automotive parts, hardware tools, electronic components and other industries.

In practical applications, the BS-400 series does not rely solely on a single component, but achieves "synergistic effect" through a carefully designed compound system. Among them, the specially modified organic carboxylic acid amine salt acts as the main rust inhibitor, which can quickly spread on the metal surface and chemisorb; at the same time, the nano-scale passivation factor is introduced to fill the microscopic pores and greatly improve the film compactness. Experimental data show that in the 5% NaCl salt spray test, the corrosion resistance time of the carbon steel specimens treated by the BS-400 series is about 30% higher than that of the traditional rust inhibitor, and the film has no white spots and no powder, and the subsequent cleaning or welding process does not require cumbersome treatment.

Secondly, environmental protection and safety is another shining business card of the Hank BS-400 series. This series of products are based on deionized water and have extremely low VOC content, which is far below the national environmental protection standards related to coatings and adhesives. This means that there is almost no irritating odor during use, which greatly improves the air quality of the workshop and reduces the potential harm to the respiratory system and skin of front-line operators. At the same time, the BS-400 series does not contain toxic and harmful substances such as nitrite, chromate, phenol, etc. The wastewater treatment is simpler, which can greatly reduce the environmental protection pressure of enterprises and comply with international regulations such as RoHS and REACH.

In terms of safety performance, the BS-400 series has passed a number of rigorous tests, including flash point, skin irritation, acute oral toxicity, etc. Its non-flammable and non-explosive characteristics make warehousing and transportation without special permits, reducing supply chain management costs. For export-oriented manufacturing enterprises, the selection of the BS-400 series helps to clear green trade barriers and enhance the competitiveness of products in the international market.

It is worth mentioning that the Hank BS-400 series does not sacrifice the convenience of use while taking into account performance and environmental protection. The products are divided into various models such as immersion type, spray type and brush type, which can be flexibly adapted to different production line forms. The immersion type is suitable for anti-rust treatment of large quantities of hardware parts, with good bath stability and low take-out volume; the spray type is specially designed for automatic cleaning lines, with low foam, can be quickly dried, and no oil stains remain; the brush type is suitable for local repair of large workpieces or outdoor maintenance. In either form, a semi-dry to dry film is formed after drying, which is refreshing and non-sticky. There is no need for additional oil removal for subsequent assembly or packaging.

From an economic point of view, although the unit price of Hank BS-400 series is slightly higher than that of ordinary anti-rust oil, it has a high proportion of water use (usually up to 1:10 to 1:20), and the treatment cost per unit area is lower. And because the film layer is extremely thin, the dosage per unit area is only about 40% of that of traditional anti-rust oil. Longer anti-rust cycles reduce the risk of rework and scrap, and environmental compliance avoids high hazardous waste disposal costs. Overall, it has created significant economic benefits for enterprises. Many companies have reported after switching to the BS-400 series that not only the product qualification rate has improved, but the workshop environment has also been renewed, and the enthusiasm of employees has also increased.

The application cases of Hank BS-400 series are all over many fields. In a well-known auto parts factory, the steering knuckle was originally treated with solvent-based anti-rust oil, which not only smelled big, but also complicated cleaning process. After switching to BS-400 immersion type, the production line environment has been fundamentally improved, and the anti-rust period has been extended from the original 3 months to 6 months. Only water rinsing is required before subsequent assembly, which greatly shortens the process. Another electronic components company needs short-term anti-rust protection for the shell. The BS-400 spray type is directly applied after ultrasonic cleaning. There are no residual spots on the surface. The plasma cleaning compatibility is good, and the product yield is significantly improved.

Of course, any product has its application boundaries. Although the Hank BS-400 series has excellent performance, it is recommended to use it in combination with desiccant or VCI gas phase packaging under extreme working conditions such as long-term shipping and extremely acidic environments to obtain a longer protection period. At the same time, for some precision optical components that require extremely high surface cleanliness, special neutral rust inhibitors may be required. Therefore, when choosing a model, enterprises should fully evaluate their own working conditions and protection needs, and if necessary, conduct small batch tests to determine the best solution.

In terms of research and development philosophy, Hanke has always adhered to the value of "green lubrication, intelligent future". The launch of the BS-400 series is not accidental, but based on forward-looking judgment of industry trends. With the increasing emphasis on environmental protection worldwide and the gradual implementation of the "dual carbon" goal, the demand for low-toxicity, low-emission and degradable treatment agents in the industrial field is increasingly strong. Hanke has increased investment in research and development, optimized molecular structure, improved biodegradability, and strived to meet high performance requirements while minimizing ecological impact. In the future, Hanke will continue to upgrade the BS series product line, explore its integration with intelligent sensing and automatic liquid dispensing systems, and provide users with more intelligent anti-rust management solutions.

Judging from the market competition landscape, the rust inhibitor market has long been occupied by international brands at the high end, while local brands are mostly lingering in low-end price wars. The Hank BS-400 series has successfully broken this pattern by virtue of hard core technical indicators and high cost performance. It not only makes high-quality environmentally friendly rust inhibitors affordable for domestic enterprises, but also promotes the transformation of the entire supply chain to green manufacturing. Many customers who once questioned the performance of domestic rust inhibitors have transferred orders after completing the comparison test and took the initiative to include Hank products in the list of qualified suppliers.

It is worth mentioning that the Hank BS-400 series also has a user-friendly design in terms of operation safety. The product packaging is clearly marked with precautions and emergency measures, and is equipped with a complete safety technical manual (SDS). At the same time, Hank provides free on-site technical services to help customers optimize rust prevention process parameters and formulate regular inspection plans. This "product + service" model makes it easy for even small factories without professional rust prevention experience to get started and obtain the same protection effect as large enterprises.

For companies looking for an alternative to traditional and outdated anti-rust solutions, the Hank BS-400 series is undoubtedly an option worth exploring. It proves that a truly excellent anti-rust agent must find a balance in the four dimensions of "anti-corrosion performance", "environmental protection and safety", "process adaptation" and "comprehensive cost". Simply piling up the concentration of anti-rust agents, or blindly pursuing the so-called "all green", are going to extremes. The Hank BS-400 series gives a convincing answer with rigorous scientific attitude and rich field data.

Finally, from a broader perspective, the success of the Hank BS-400 series is also a microcosm of the upgrading of China's industrial chemicals industry. It tells us that environmental protection is not an excuse to reduce performance, but a driving force for technological innovation. When the anti-rust agent gets rid of the old image of oily and pungent smell and presents itself in the market as a new attitude of water-based, low VOC and high performance, the entire value chain benefits. Whether it is the health of end users or the sustainable development of the natural environment, it has been effectively improved in this technological revolution. Enterprises choose the Hank BS-400 series not only to choose a high-quality product, but also to choose a long-term attitude that is responsible to employees and friendly to the earth.

To sum up, the Hank BS-400 series provides a reliable and forward-looking anti-corrosion solution for the majority of industrial users with its excellent anti-rust ability, outstanding environmental protection and safety characteristics, flexible use and significant comprehensive economic benefits. In today's pursuit of high-quality development, such products will surely have a broad stage. In the future, with more industry standards and the tightening of environmental regulations, the value of the Hank BS-400 series will be further highlighted, becoming a veritable green benchmark in the field of metal rust prevention.