Trimellitic Anhydride (TMA): Elevating Performance Across Industries
Discover the power of Trimellitic Anhydride (TMA), a critical organic intermediate that drives innovation in plastics, coatings, resins, and insulation materials. As a leading supplier in China, we offer high-purity TMA to meet your demanding industrial needs.
Get a Quote & SampleProduct Core Value

Trimellitic Anhydride
Trimellitic Anhydride (TMA) is a crucial chemical intermediate with formula C9H4O5, widely recognized for its ability to impart exceptional properties to a variety of materials. As a reliable supplier in China, we ensure consistent quality and supply for your manufacturing processes. Its trifunctional nature and high reactivity make it indispensable for creating durable and high-performance end products.
- Benefit from advanced Polyimide resin intermediate applications, enabling the production of high-temperature resistant insulating materials essential for demanding electrical and aerospace sectors.
- Leverage TMA as a key component in the synthesis of high-performance polyester and epoxy resins, ensuring superior adhesion and chemical resistance for industrial coatings.
- Utilize Trimellitic Anhydride in the production of plasticizers, particularly for PVC, to achieve enhanced flexibility, durability, and crucial heat resistance in cables and automotive components.
- Explore its role as an effective epoxy resin curing agent, contributing to the formation of robust thermosetting polymer networks used in coatings and adhesives.
Advantages Provided by the Product
Enhanced Heat Resistance
TMA is vital for manufacturing materials that withstand elevated temperatures, a key attribute for wire enamel manufacturing and other high-performance applications, showcasing its value in demanding environments.
Improved Material Durability
The incorporation of Trimellitic Anhydride into resins and plasticizers significantly boosts the overall durability and lifespan of finished products, supporting applications across the chemical industry.
Versatile Chemical Intermediate
Its broad utility makes TMA an essential chemical intermediate for various industries, facilitating the production of everything from specialized coatings to essential plasticizers for PVC.
Key Applications
Plasticizers for PVC
Trimellitic Anhydride is a key component in the production of trimellitate plasticizers, such as TOTM, which enhance the flexibility, durability, and heat resistance of PVC products, crucial for applications like automotive cable cladding.
High-Performance Resins
TMA is used in synthesizing polyester and polyimide resins, delivering excellent adhesion and resistance needed for industrial paints and high-temperature resistant insulating materials.
Epoxy Resin Curing
As an epoxy resin curing agent, TMA enables the creation of strong, thermosetting polymer networks, widely applied in durable coatings and robust adhesives, supporting complex chemical manufacturing processes.
Coatings and Varnishes
The compound is integral to water-soluble alkyd resin coatings and insulating varnishes, contributing to their protective properties and performance in various industrial coating applications.