Hey there! As a supplier of halogen-free screws, I often get asked about the certifications these screws need. So, I thought I'd take a moment to break it down for you all.
First off, let's talk about why certifications matter. In today's market, especially when it comes to products that are supposed to be environmentally friendly like halogen-free screws, certifications act as a stamp of approval. They show that the screws meet certain standards and regulations, which is super important for both us suppliers and you, the customers.
One of the most well-known certifications for halogen-free products is the IEC 61249-2-21 standard. This standard is set by the International Electrotechnical Commission (IEC). It defines the limits for halogens in printed wiring boards and associated materials. Halogens, such as chlorine and bromine, can be harmful to the environment and human health when released during the production, use, or disposal of products. So, when our halogen-free screws are certified under IEC 61249-2-21, it means that the levels of these halogens are below the acceptable limits. This is a big deal because it gives you the confidence that the screws you're using are safe and eco-friendly.
Another important certification is the RoHS (Restriction of Hazardous Substances) directive. This is a European Union directive that restricts the use of certain hazardous substances in electrical and electronic equipment. Although screws might not seem like typical electrical or electronic equipment at first glance, they are often used in these types of products. The RoHS directive restricts substances like lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls (PBBs), and polybrominated diphenyl ethers (PBDEs). When our halogen-free screws are RoHS compliant, it means that they don't contain these restricted substances above the allowed levels. This is crucial for companies that want to sell their products in the EU market or follow the high environmental standards set by the directive.
Now, let's move on to some specific types of our halogen-free screws and their potential additional certifications. For example, our Pta Welding Screw is often used in injection molding applications. In addition to the general halogen-free and RoHS certifications, it might need to meet certain mechanical property certifications. These could include certifications related to its strength, hardness, and corrosion resistance. For instance, it might be certified according to ASTM (American Society for Testing and Materials) standards for fasteners. These standards ensure that the screw can withstand the stresses and strains it will encounter during the injection molding process.
Our Sintered Hard Alloy Screw for Injection Molding Machine is another specialty product. Due to its unique material and application in high-pressure injection molding machines, it might require certifications related to its material quality and performance. It could be certified under ISO (International Organization for Standardization) standards for the manufacturing process of sintered hard alloys. These standards ensure that the alloy is produced with consistent quality, which is essential for the reliable operation of the injection molding machine.
The HVOF Coating Screw also has its own set of requirements. The High-Velocity Oxygen Fuel (HVOF) coating on the screw provides enhanced wear resistance. This coating process needs to be certified to ensure that it meets certain thickness, adhesion, and quality standards. There are industry-specific certifications for HVOF coating processes that we adhere to. These certifications guarantee that the coating will last and perform as expected, protecting the screw from wear and tear in demanding applications.
When it comes to getting these certifications, it's not an easy process. We have to go through rigorous testing and inspections. Our manufacturing facilities are regularly audited to make sure that we're following all the necessary procedures. We work with independent testing laboratories to analyze the composition of our screws and verify that they meet the certification requirements. This whole process is time-consuming and costly, but it's worth it because it gives you peace of mind that you're getting a high-quality, certified product.
As a customer, you might be wondering how to check if the screws you're buying are actually certified. Well, we always provide certification documents with our products. These documents clearly state which certifications the screws have achieved and the testing results. You can also visit the official websites of the certification bodies to verify the authenticity of the certifications.
So, why should you choose our halogen-free screws? Apart from the fact that they have all these important certifications, we also offer high-quality products at competitive prices. Our team of experts is always ready to help you find the right screws for your specific applications. Whether you're in the injection molding industry, electronics manufacturing, or any other field that requires reliable and eco-friendly screws, we've got you covered.
If you're interested in our halogen-free screws and want to discuss your procurement needs, don't hesitate to reach out. We're here to have a chat about your requirements, answer any questions you might have, and work out the best deal for you.
References


- International Electrotechnical Commission (IEC). IEC 61249-2-21 Standard.
- European Union. RoHS Directive.
- American Society for Testing and Materials (ASTM). Standards for fasteners.
- International Organization for Standardization (ISO). Standards for sintered hard alloys.
