Leave Your Message
Desmodur® T 80: Leading Toluene Diisocyanate Technology by China Suppliers and Factory for Superior Polyurethane Applications

Desmodur® T 80: Leading Toluene Diisocyanate Technology by China Suppliers and Factory for Superior Polyurethane Applications

Covestro's Desmodur® series of isocyanates is a key component for high-quality polyurethane applications, highly regarded for their extensive functionality and outstanding performance. When paired with Covestro's polyols, these Desmodur® isocyanates form the foundation of polyurethane products that exhibit a broad spectrum of exceptional qualities.

This innovative product line offers remarkable versatility across various applications, including the production of both flexible and rigid foams, adhesive solutions, self-skinning foams, composite materials, and high-performance solvent-borne and high-solid-content polyurethane (PU) coatings, adhesives, and sealants. This flexibility makes it an ideal choice for formulation design. In China, these polyurethane products are widely utilized in automotive interior components, such as seats and dashboards, as well as in mattress production, construction insulation materials (providing thermal insulation for buildings and refrigeration equipment), wheels, rollers, and other essential automotive parts. As a leading supplier with a dedicated factory, we ensure that our Desmodur® product line meets the diverse needs of the market while maintaining superior quality standards.

    Contact us
    Product Detail

    Product Description

    Moreover, Desmodur® isocyanates also function as high-performance ingredients in coating formulations, providing effective protection for everyday consumer goods, with applications spanning automotive interior and exterior parts, household appliances and electronic devices, furniture finishing, architectural façades, food packaging containers, ship antifouling coatings, and bridge protection, among many other industries. Additionally, Desmodur® isocyanates serve as foundational raw materials for optimizing adhesive performance, enabling customers to enhance key performance metrics such as bonding strength and durability.

    Basic Info

    Model NO. 584-84-9
    Colour Light Yellow
    Purity 99.5%Min
    Vapour Pressure 1.33
    Flash Point 127
    Refractive Index 1.569
    Freezing Point 11.5~13.5ºC
    Odor Sharp, Pungent
    Melting Point 21.8 °c
    Un No. 2078
    Class 6
    Relative Density(Water=1) 1.22
    Boiling Point 251 °c
    Related Compounds Polyurethane
    Relative Density(Air=1) 6
    Molecular Weight 174.16
    Density 1.214 g/cm3, Liquid
    Transport Package Iron Drum
    Specification 250kg iron drum
    HS Code 2929101000

    Product Parameters

    SPECIFICATION RESULT
    PURITY(m/m): 99.9PCT
    ISOMERIC RATIO(2.4/2.6): 79.5/20.5-81.5/18.5
    ACIDITY(on HCL basis)(ppm): 40<
    COLOR(APHA): 15
    HYDROLYZABLE CHLORINE (PPM) : <100
    Safety Precautions & Handling

    Given that TDI (Toluene Diisocyanate) possesses strong irritant properties, exerting significant irritation effects on skin, eyes, and respiratory system, it is imperative to pay close attention to and strictly abide by the following safety precautions when handling this chemical compound. Chief among these measures is to avoid direct contact between TDI and skin or eyes, as any such contact may lead to severe localized irritation reactions. Moreover, inhalation of TDI vapors is also hazardous; hence, during operations, it is essential to wear specialized protective gloves to safeguard hands, don a respirator or dust mask to prevent inhalation of toxic fumes, and equip oneself with safety goggles or a face shield to guard against potential splash entry into the eyes.

    Regarding storage, TDI should always be stored in a cool and dry place, aiming to reduce the risk of chemical reactions triggered by excessive temperatures or high humidity levels, as well as to minimize vapor evaporation. In summary, across all aspects involving the manipulation and storage of TDI, there must be an emphasis on reinforced personal protective measures and strict adherence to established safety operating procedures to ensure both personnel health and workplace safety.

    Frequently Asked Questions

    What are the primary applications of Desmodur® isocyanates?
    Desmodur® isocyanates are high-performance ingredients used in coating formulations (for automotive parts, appliances, electronics, furniture, facades, packaging, and marine coatings) and as raw materials to optimize adhesive bonding strength and durability.
    What is the Model NO. (CAS) and standard purity of this TDI product?
    The Model NO. is 584-84-9. The standard specification guarantees a minimum purity of 99.5%, with test results showing actual purity levels up to 99.9%.
    What are the main physical properties of this compound?
    It is a light yellow liquid with a sharp, pungent odor. It features a boiling point of 251 °C, a melting point of 21.8 °c, a flash point of 127 °C, and a relative density of 1.22 (water=1).
    Why are safety precautions necessary when handling TDI?
    TDI (Toluene Diisocyanate) is a strong irritant that can cause severe localized irritation to the skin and eyes, and poses health hazards if its vapors are inhaled into the respiratory system.
    What protective equipment should be used during operation?
    Operators must wear specialized protective gloves, a respirator or dust mask to prevent toxic fume inhalation, and safety goggles or a face shield to protect against accidental splashes.
    How should TDI be stored to maintain safety and quality?
    TDI should always be stored in a cool, dry place to minimize vapor evaporation and reduce the risk of chemical reactions caused by high temperatures or humidity.

    Leave Your Message