Web Menu

Product Search

Language

Share

Home / Products / Toluene Diisocyanate (TDI)

Product Categories

  1. Toluene Diisocyanate (TDI)
  2. Methylene Diphenyl Diisocyanate (MDI)
  3. Polyether Polyol
  4. Polymer Polyol / POP

Toluene Diisocyanate (TDI)

Toluene Diisocyanate (TDI) is one of the most important isocyanate monomers in the polyurethane industry chain. It is produced from toluene through a three-step process: nitration, hydrogenation, and phosgenation. Its molecular formula is C₉H₆N₂O₂. It appears as a colorless to pale yellow transparent liquid with a strong irritating odor and is classified as a hazardous chemical (UN 2078).

The core chemical function of TDI lies in its highly reactive -NCO groups, which can rapidly react with hydroxyl groups in polyols, water molecules, amines, and other active hydrogen-containing compounds to form urethane or urea linkages, building the polyurethane polymer backbone. Depending on the ratio of 2,4- and 2,6-isomers, TDI is divided into three main commercial grades: T80/20, T100, and T65/35. These grades differ significantly in reaction rate, gel time, and foaming behavior, allowing precise matching with different downstream formulation systems.

The company relies on authorization from major producers such as Gansu Yinguang Juyin Chemical (Baiyin), Cangzhou Dahua (Canghua), and Covestro. It has an annual supply capacity of over 10,000 tons, covering global markets for flexible foam, elastomers, coatings, and adhesives. It supports ISO tank container shipments and Central Asia railway transport. Full documentation including MSDS, TDS, and COA is provided to meet customs clearance and corporate qualification requirements in various countries.

Enterprise Advantages
· Polyurethane core raw materials
· Official cooperative agent
· TDI
· Polymer MDI
· Polyether polyols
· Annual sales of 50,000 tons+
· 30+ countries around the world
· Sea and land dual channels
· Complete MSDS/TDS/COA
· Worry-free customs clearance
DOMI (HK) INDUSTRIAL CO., LIMITED
DOMI (HK) INDUSTRIAL CO., LIMITED DOMI (HK) INDUSTRIAL CO., LIMITED
DOMI (HK) INDUSTRIAL CO., LIMITED
About Us
Building Stronger Industries
Through Advanced Materials
Established in 2022 and headquartered in Shanghai, Dongmei (HK) Industrial is a trusted supplier and official authorized distributor of globally recognized polyurethane manufacturers, including Covestro, Wanhua Chemical, Cangzhou Dahua, and Gansu Yinguang. Leveraging strong partnerships with leading producers, we ensure a stable and reliable supply of premium polyurethane raw materials to customers worldwide.

With annual sales exceeding 20,000 metric tons and a global customer network spanning more than 30 countries and regions, we have built a solid reputation for quality, reliability, and professional service. Our core product portfolio includes TDI (Toluene Diisocyanate), Polymeric MDI, Polyether Polyol, and Polymer Polyol (POP), widely used in furniture, mattresses, automotive components, insulation materials, coatings, adhesives, and other polyurethane applications.

Driven by a commitment to customer satisfaction, competitive pricing, and efficient logistics solutions, Dongmei (HK) Industrial provides stable, high-quality, and cost-effective supply services. Backed by comprehensive documentation support, including MSDS, TDS, and COA, as well as flexible sea and land transportation options, we help customers streamline procurement processes and achieve long-term business success.
Certificate Of Honor
  • Test report
  • TECHNICAL DATASHEET
  • TECHNICAL DATASHEET-- TDI-100
  • TECHNICALDATASHEET
  • TDI Material Safety Data Sheet (MSDS)
  • TDI Material Safety Data Sheet (MSDS)
  • Test Report
  • Test Report
  • TDI Material Safety Data Sheet (MSDS)
  • Toluene diisocyanate
  • Test Report
  • Test Report
Pay Attention to Our Latest News and Exhibitions
Stay informed about the latest technological advancements, industry news, and company developments in the polyurethane materials field.
Jun
24
Upgrade the digital supply chain service system to improve global order response efficiency
The company has completed iterative optimization of its online supply chain service module, integrating functions such as inventory inquiry, sample application, technical document download, and online inquiry processing. This has streamlined communication channels with overseas customers across multiple channels, and simultaneously improved the multilingual product database and solution case library. After the new system went live, overseas customers can independently query raw material category parameters, download product manuals and application solutions. The business team leverages digital tools to simultaneously handle inquiries from multiple regions, optimizing the entire process of sample delivery, order scheduling, and logistics tracking. Going forward, the company will continue to iterate its digital service tools, improve online service functions based on overseas market procurement habits, and leverage its one-stop supply chain service advantages to shorten inquiry response, sample delivery, and order fulfillment cycles, adapting to the trend of lightweight and efficient global trade.
Read More
Jun
24
Completed full-category qualification and compliance updates, adapting to global multi-regional trade standards.
In order to meet the global compliance requirements for the import and export of chemical raw materials, the company has recently completed the update and archiving of all polyurethane raw material-related qualifications, testing and certifications, covering all-dimensional information such as product safety testing, environmental protection indicators, and cross-border trade compliance documents.This compliance upgrade simultaneously improves SDS safety data sheets, third-party performance testing reports, and industry-wide certification document systems. It also organizes standardized compliance information packages based on chemical access regulations in mainstream overseas markets such as Europe, the United States, and Southeast Asia to facilitate overseas buyers to quickly complete customs clearance and warehousing review processes.The company always follows the global chemical trade regulatory requirements, establishes a normalized annual qualification review mechanism, uses the compliance system to reduce the cost of cross-border procurement processes for customers, and builds a solid foundation of trust for long-term cooperation in OEM, ODM, and engineering projects.
Read More
Jun
24
Deepen overseas technical exchanges and strengthen the supporting service capabilities for polyurethane raw materials.
Recently, the company organized a special technical exchange activity for overseas clients, bringing together its business and technical teams to share solutions for adapting isocyanates and polyols as raw materials. The aim was to reach downstream clients in sectors such as home furnishings, automotive, and building insulation materials. During the exchange, the team conducted one-on-one communication, addressing issues such as raw material formulation adjustments, on-site foaming practices, and storage and transportation standards, taking into account the environmental standards and construction process requirements of different regional markets. Simultaneously, the team identified clients' needs for one-stop procurement, customized formulations, and after-sales technical support. Leveraging years of industry experience, the company continues to improve its technical collaboration mechanism, incorporating client feedback into product optimization. This includes optimizing cross-border logistics and providing multilingual technical documentation, thereby enhancing the global procurement client experience and steadily expanding stable overseas cooperation channels.
Read More
Jun
24
With rising compliance thresholds in the chemical foreign trade sector, raw material companies need to improve their compliance management across the entire supply chain.
In recent years, global chemical import and export regulatory standards have continued to tighten. Countries have introduced new regulations on access, testing, and traceability of chemical raw materials, and have put forward stricter requirements for component testing, safety documents, cross-border transportation, and labeling specifications of polyurethane raw materials.Regional compliance systems such as REACH and TSCA continue to update the list of controlled substances. In the early stages of cooperation, overseas buyers will focus on verifying the complete qualifications of suppliers, third-party testing reports, and standardized safety information. Non-compliant raw materials will face risks such as customs clearance obstruction and order cancellation.Industry practitioners suggest that raw material trading companies need to establish a normalized compliance management process, update product testing data simultaneously, improve multi-lingual compliance documents, and proactively adapt to the regulatory requirements of different target markets to improve the compliance system, reduce cross-border trade risks, and maintain long-term stable expansion of overseas markets.
Read More
Jun
24
The demand structure of the global polyurethane raw material downstream application market continues to optimize.
With the global manufacturing recovery and the upgrading of sub-sectors, downstream demand for polyurethane raw materials is showing a diversified adjustment trend, with steady increases in demand in areas such as cold chain insulation, new energy supporting industries, high-end adhesives, and outdoor soft materials. Different regional markets exhibit differentiated demand characteristics: the European and American markets focus on environmentally friendly and highly stable raw materials, while the Southeast Asian and Middle Eastern markets focus on cost-effective general-purpose polyurethane raw materials. The proportion of orders for customized engineering-grade raw materials continues to rise. Meanwhile, overseas buyers are gradually changing their procurement models, no longer solely purchasing basic raw materials, but preferring one-stop suppliers that can provide formulation guidance, technical support, and stable supply. The market advantages of trading service providers with both technical services and supply chain security capabilities are becoming increasingly prominent.
Read More
Jun
24
Green and low-carbon transformation has become the mainstream development direction of the polyurethane raw materials industry.
The global chemical industry is continuously advancing its low-carbon upgrade, with the polyurethane raw material sector accelerating the research and development and implementation of environmentally friendly products. Low-carbon emission foaming systems, bio-based modified polyols, and low-VOC isocyanate-based products have become key areas of industry research. Various countries have successively introduced environmental control policies for chemicals, imposing detailed requirements on raw material carbon emissions, volatile organic compounds, and waste material recycling. Upstream and downstream enterprises are collaborating to optimize formulations and modify production processes to meet the low-carbon raw material needs of downstream applications such as building insulation, automotive interiors, and upholstered furniture. Industry experts point out that collaborative innovation across the industrial chain is the core path to green transformation. Deepening technological cooperation among upstream raw material manufacturers, downstream product manufacturers, and testing institutions, and balancing product performance with environmental indicators, will allow low-carbon polyurethane raw materials to gradually occupy a larger market share and become a core consideration in foreign trade procurement.
Read More
Industry knowledge
X Facebook
Products News