Hey there! I’m a supplier of Maleic Anhydride, and I’ve been in this business for quite a while. Today, I want to chat with you about the international standards for Maleic Anhydride. Maleic Anhydride

What is Maleic Anhydride Anyway?
First off, let’s quickly cover what Maleic Anhydride is. It’s a white crystalline solid with a strong, irritating odor. It’s a key chemical in many industries. You’ll find it in the production of unsaturated polyester resins, which are used in fiberglass-reinforced plastics for things like boats, cars, and building materials. It’s also used in the manufacturing of coatings, lubricant additives, and agricultural chemicals.
Why Do We Need International Standards?
Now, you might be wondering why we even need international standards for Maleic Anhydride. Well, these standards ensure that the product is of consistent quality across the globe. When you’re a buyer, you want to know that the Maleic Anhydride you’re getting meets certain criteria, whether it’s produced in Asia, Europe, or the Americas. It also helps in trade. If there are clear standards, it’s easier for suppliers like me to sell to customers in different countries without any confusion about the product’s quality.
The Main International Standards
ASTM Standards
The American Society for Testing and Materials (ASTM) has a set of standards for Maleic Anhydride. ASTM D3504-19 is one of the important ones. This standard covers the specification for Maleic Anhydride. It details things like the physical properties, such as melting point, density, and purity. For example, the melting point of Maleic Anhydride should be in a certain range according to this standard. This is crucial because the melting point affects how the product behaves during processing. If it’s too high or too low, it can cause problems in the manufacturing process.
The purity of Maleic Anhydride is also a big deal. ASTM D3504-19 sets a minimum purity level. This is important because impurities can affect the performance of the end products. For instance, if there are impurities in the Maleic Anhydride used to make unsaturated polyester resins, it can lead to weaker and less durable fiberglass products.
ISO Standards
The International Organization for Standardization (ISO) also has standards related to Maleic Anhydride. ISO 2136-2010 is one such standard. It focuses on the determination of the acid value and the maleic acid content in Maleic Anhydride. The acid value is a measure of the amount of free acid in the product. A high acid value can indicate that the Maleic Anhydride has started to degrade or that there are impurities present.
The maleic acid content is another important parameter. Maleic acid is a related compound to Maleic Anhydride, and its content can affect the reactivity of the Maleic Anhydride. If the maleic acid content is too high, it can change the chemical reactions that the Maleic Anhydride undergoes in various applications.
How We Ensure Compliance
As a supplier, I take these international standards very seriously. We have a quality control team that conducts regular tests on our Maleic Anhydride. We use state-of-the-art equipment to measure things like melting point, density, and purity. We also follow strict procedures during the production process to make sure that the product meets the standards.
For example, we have a purification process that helps to remove any impurities from the Maleic Anhydride. This ensures that the final product has a high level of purity, which is in line with the ASTM and ISO standards. We also keep detailed records of all our tests and production processes. This way, if a customer ever has any questions about the quality of our product, we can provide them with the necessary documentation.
Benefits of Using Standard-Compliant Maleic Anhydride
When you buy Maleic Anhydride that meets international standards, you’re getting a high-quality product. This means that you can expect better performance in your applications. For example, if you’re using it to make unsaturated polyester resins, a high-quality Maleic Anhydride will result in stronger and more durable fiberglass products.
It also reduces the risk of production problems. Since the product has consistent properties, you can rely on it to behave predictably in your manufacturing processes. This can save you time and money in the long run.
Contact Us for Your Maleic Anhydride Needs

If you’re in the market for Maleic Anhydride, I’d love to have a chat with you. Whether you’re a small business looking for a reliable supplier or a large corporation with high-volume requirements, we can work together to meet your needs. We offer competitive prices and excellent customer service.
Sodium Gluconate We understand that every customer is different, and we’re committed to providing you with the best possible product and support. So, if you have any questions or want to discuss a potential purchase, don’t hesitate to reach out. Let’s start a conversation and see how we can help you with your Maleic Anhydride requirements.
References
- ASTM D3504-19, Standard Specification for Maleic Anhydride
- ISO 2136-2010, Determination of acid value and maleic acid content in maleic anhydride
Zibo Chemic New Material Co., Ltd
We’re professional maleic anhydride suppliers in China, specialized in providing high quality products with low price. We warmly welcome you to buy or wholesale discount maleic anhydride in stock here from our factory. Contact us for quotation.
Address: Room 1503, 15 Floor, Building 6, Xiangxieju, No. 369 Northwest 6 Road, High-tech Zone, Zibo City, Shandong, China
E-mail: info@zbchemic.com
WebSite: https://www.zbchemic.com/