Introducing the YiShun Brand Zinc Blackening Agent Q/YS.504, a premium liquid solution designed for efficient and environmentally friendly surface treatment of zinc components. This near-neutral formula ensures stable performance and ease of use, making it an ideal choice for various industrial applications. The blackening film produced is uniform and exhibits strong adhesion, passing the neutral salt spray test for over 300 hours, ensuring long-lasting protection and aesthetic appeal.
Key Features:
- Eco-friendly: Free from any heavy metals, non-toxic, smokeless, and odorless, making it safe for both the user and the environment.
- Stable Performance: Consistent results with simple operation procedures, maintaining a clean and hygienic working environment.
- Strong Adhesion: Produces a durable blackening film that adheres firmly to the substrate, enhancing corrosion resistance.
- High Efficiency: Quick processing time of 3-5 minutes at temperatures ranging from 80°C to 90°C when diluted with an equal amount of water.
- Cost-effective Packaging: Comes in convenient 25KG barrels, suitable for bulk usage while ensuring easy storage and handling.
Application Scenarios: Perfect for use in automotive, electronics, machinery manufacturing, and other industries requiring robust surface treatment solutions for zinc parts. Its superior performance makes it an excellent choice for enhancing the durability and appearance of zinc components without compromising on safety or environmental standards.

Parameter | Value |
Product Name | Zinc Blackening Agent Q/YS.504(YiShun) |
Form | Liquid |
pH | Near-neutra |
Stability | High |
Ease of Use | Simple |
Environmenta | Clean and sanitary |
Film Uniformity | Even |
Adhesion | Strong |
Salt Spray Resistance | Over 300 hours |
Heavy Metal Content | None |
Toxicity | Non-toxic |
Odor | Odorless |
Eco-friendlines5 | Yes |
Application Method | lmmerse |
Dilution Ratio | 1:1 with water |
Temperature Range | 80°C-90°C |
Processing Time | 3-5 minutes |
Packaging | 25KG per barrel |
Sales Channel | Direct from Manufacturer |
**Company Profile: Guangzhou Yishun Chemical Co. Ltd.**
Guangzhou Yishun Chemical Co. Ltd., established in 2010, is a high-tech enterprise specializing in the development, manufacturing, and marketing of chemical products. With over a decade of technical expertise, our products are not only used nationwide but also exported to Europe, America, the Middle East, Southeast Asia, and other regions around the world. Our focus areas include R&D, manufacturing, and marketing of various metal and non-metal surface treatment process fluids, industrial cleaners, and information chemicals.
At Yishun Chemical, we pride ourselves on our ability to develop custom industrial cleaners, chemical stripping agents, and surface treatments for both metals and non-metals, as well as electronic information chemicals. We strive to become a more innovative fine chemical enterprise, continuously providing better concepts, products, and services to various industries. Our goal is to promote the chemical industry to new heights while adhering to a healthy development strategy of "Environmental Protection and Green Home."
Guided by "environmental and green" principles, we lead our R&D and production efforts to manufacture "high, precise, and advanced" chemical products. We continuously improve our innovation system, enhance sustainable development capabilities, and strive to create value for both the enterprise and society. Our aspiration is to be a global leader in eco-friendly chemicals, contributing to a greener and more sustainable future.

Q. How to guarantee the quality?
Up-to-date facilities and technology, strict inspection in production process and final product, inspection before delivery.
Q: Are your products harmful to the health of the workers?
A: The product itself is environmentally friendly and non-toxic, but in order to consider the health of workers and the efficacy of the product, it is necessary to follow the product instructions during use and wear appropriate protection.
Q: How long is your delivery time?
A: Generally it is about 15 days.
Q: What is your terms of payment ?
A: TT payment is favorable. After we build good cooperation, we can discuss other payment terms.