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Maleic Anhydride (Formula: C4H2O3) stands as a foundational multi-functional monomer in modern organic industrial chemistry. Valued for its unique dual reactivity—derived from its highly reactive double bond and two acid anhydride carbonyl groups—Maleic Anhydride serves as a primary block in the synthetic pathways of unsaturated polyester resins (UPR), agricultural formulations, plasticizers, and high-performance biodegradable polymers like PBAT.
As an established public enterprise (Stock Code: 307785), Shandong Pulisi Chemical Co., Ltd. (founded in 2006) has evolved into a premier OEM and custom-formulation provider of Maleic Anhydride. By merging chemical processing, advanced automation, and complex material science, we provide tailored maleic anhydride formulations designed to meet specialized melting points, crystallization configurations, and structural stability profiles.
OEM Customization Capability: We control and adjust crucial purity specifications, moisture parameters, and physical form factors (molten, flakes, briquettes, and customized granules) to align with specific catalyst demands and polymer crystallization speeds in client factories worldwide.
Maleic Anhydride is traditionally generated through the catalytic oxidation of benzene or n-butane. At Shandong Pulisi, we leverage modern butane oxidation processes, which significantly reduce carbon emissions and heavy-metal impurities compared to older benzene-based routes. The n-butane process utilizes vanadium-phosphorus-oxygen (VPO) catalysts within fluid-bed or fixed-bed reactors to secure yields with up to 99.8% purity.
Under OEM synthesis specifications, we customize the stabilization agents added to molten and flaked Maleic Anhydride. This prevents polymerization or degradation during long-distance maritime transit, ensuring the raw material performs predictably in esterification and Diels-Alder reactions.
The global Maleic Anhydride market is undergoing a structural transition. Traditionally driven by the construction sector through Unsaturated Polyester Resins (UPR), contemporary demands are increasingly dictated by green polymer chemistry. The surge in regulatory initiatives targeting single-use plastics has catalyzed the expansion of biodegradable plastics such as PBAT (polybutylene adipate terephthalate) and PBS (polybutylene succinate), both of which utilize maleic anhydride derivatives as fundamental linkages.
Furthermore, modern automotive and engineering coatings require highly pure monomer bases to ensure thermal stability and weathering resistance. Impurities like maleic acid, fumaric acid, and iron content must be restricted to parts-per-million (ppm) levels to avoid catalyst poisoning during down-stream esterification.
At Shandong Pulisi Chemical, our manufacturing and distribution framework exemplifies the transition toward Industrial Factory 4.0. Operating from Zibo, Shandong—a major petrochemical cluster in China—we run integrated process-controlled pipelines that utilize automated DCS (Distributed Control Systems) to monitor temperature, pressure, and purity indexes in real-time.
Our logistics network is fortified against regional and global bottlenecks. By establishing advanced warehousing facilities at key international shipping hubs—including Qingdao Port, Tianjin Port, and strategically vital overland borders like Alashankou and Khorgos (serving Central Asia and Europe via rail)—we shorten lead times from weeks to days.
Integrated Port Logistics: We run dedicated liquid container depots and temperature-controlled storage spaces. This lets us load bulk cargo and ISO tanks immediately upon receiving orders, bypassing typical seasonal delays.
Our plants are ISO9001:2015 certified, and we carry German BV certifications, ensuring every batch aligns with global ISO standards.
We work under the corporate philosophy of "Customer First, Rapid Response". Technical inquiries receive response metrics within 2 hours.
Warehouses at Qingdao and Tianjin enable immediate loading, minimizing maritime delay hazards for our international partners.
Maleic Anhydride serves as a primary raw material across various industrial sectors. Our custom OEM formulation approach allows clients to adjust properties like particle size, purity grade, and packaging format (e.g. anti-caking coatings on flakes) to match specific localized operating environments.
Customized agents for finishing, softening, and syntans.
Intermediates for herbicides, plant regulators, and preservatives.
Pivotal monomers for superplasticizers and resins.
Flotation agents and mineral processing formulations.
High-stability fluid loss additives and drilling mud rheology modifiers.
Industrial cleaning solvents and pharmaceutical synthesis inputs.
Antiscalants, corrosion inhibitors, and polymaleic acid agents.
Base monomers for co-polymers and biodegradable plastics.
Every chemical reactor operates under a distinct recipe of catalysts, temperature controls, and pressure thresholds. A standard, off-the-shelf maleic anhydride grade might not always match the specialized parameters of your production machinery. We address this through our technical OEM customization framework:
Our processes are vetted by global standardization bodies, assuring absolute product integrity.
Discover our comprehensive range of high-purity industrial intermediates manufactured to precise specifications.
Maintaining active connections with global chemical trade platforms and regional buyers.
Since our establishment in 2006, the company has operated under the core role of a leading chemical raw material supplier. We focus on chemical raw materials, mining chemicals, and feed additives. We actively participate in international chemical expositions to showcase our latest OEM breakthroughs, production automation, and logistics networks.
Recognitions that highlight our corporate governance, financial stability, and market leadership.
We work with leading global corporations and chemical distributors to build stable supply lines.
Detailed technical and commercial answers concerning our OEM Maleic Anhydride operations.
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Decades of chemical export expertise backed by reliable logistics and quality certifications.
Shandong Pulisi Chemical Co., Ltd. has established a strong presence in the global chemical market. Our operations are guided by our mission: "creating value for customers and making their products better."
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