| Customization: | Available |
|---|---|
| CAS No.: | National Standard, National Standard |
| Formula: | Cho, Cho |
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Q/YS.402-2 (Yishun Brand) is an acidic liquid chemical tinning solution designed for surface tin coating of copper and its alloys such as brass, bronze, and beryllium copper. The tin coating produced is semi-bright silver-white, enhancing the solderability and decorative aspects of copper without affecting its conductivity. This product is widely used in electronics industry, furniture appliances, food packaging, and more. It offers excellent oxidation resistance and enhances the appearance of copper workpieces. The product is non-toxic, heavy metal-free, and passes salt spray tests without rusting for over 45 hours. No electroplating equipment is required; simple immersion application suffices, making it convenient and efficient. The tin layer thickness can exceed 20 micrometers, fully meeting the requirements of soldering.
Key Features
| Parameter | Value |
| Product Number | Q/YS.402-2 |
| Appearance | Acidic Liquid |
| Color of Coating | Semi-bright Silver-White |
| Density | 1.04~1.05 g/cm³ |
| PH Value | 1.0~1.2 |
| Recommended Temperature |
20ºC-35ºC |
| lmmersion Time | 8-20 minutes |
| Tin Additive Dosage | 18-20g/kg |
| Packaging | 25KG/barrel |
**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.
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