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Desmodur® T 80: Leading Toluene Diisocyanate Suppliers in China - Trusted Factory for High-Quality Polyurethane Solutions

Covestro's Desmodur® series of isocyanates is essential for high-quality polyurethane applications in China, making it a top choice among suppliers and manufacturers. Known for their extensive functionality and superior performance attributes, these isocyanates combined with Covestro's polyols form the foundation for polyurethane products rich in exceptional qualities.

This versatile product line caters to a variety of applications, including the production of both flexible and rigid foams, adhesive formulations, self-skinning foams, and composite materials processing. Additionally, it encompasses solvent-borne and high-solid-content polyurethane (PU) coatings, adhesives, and sealants, providing manufacturers with great flexibility in formulation design. Polyurethane products based on Desmodur® are extensively utilized across multiple sectors, particularly in automotive interiors like seats and dashboards, mattress manufacturing, construction insulation for thermal management in buildings and refrigeration, as well as in wheels, rollers, and various other automotive components, solidifying its reputation among factory suppliers in China.

    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 & Storage Guidelines
    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 (FAQ)

    Q What are the primary applications of Desmodur® isocyanates?
    Desmodur® isocyanates serve as high-performance ingredients in coating formulations for automotive parts, household appliances, electronics, furniture, architectural façades, food packaging, and bridge protection. They also act as essential raw materials for enhancing adhesive bonding strength and durability.
    Q What is the chemical purity and model number of this product?
    The product has a Model NO. of 584-84-9, with a minimum purity specification of 99.5% Min (achieving a test result of 99.9% PCT).
    Q What health hazards are associated with TDI (Toluene Diisocyanate)?
    TDI possesses strong irritant properties that can cause severe localized irritation reactions upon direct contact with the skin or eyes, as well as respiratory tract irritation if the vapors are inhaled.
    Q What personal protective equipment (PPE) is recommended during handling?
    Operators must wear specialized protective gloves to protect their hands, a respirator or dust mask to prevent toxic fume inhalation, and safety goggles or a face shield to protect their eyes from chemical splashes.
    Q How should TDI be stored to ensure workplace safety?
    TDI must be stored in a cool, dry environment. Proper storage conditions minimize the risk of hazardous chemical reactions caused by high temperatures or humidity, and help reduce chemical vapor evaporation.
    Q What are the key physical properties like boiling point and molecular weight?
    This compound has a molecular weight of 174.16, a boiling point of 251 °C, a melting point of 21.8 °C, and a density of 1.214 g/cm3 in its liquid state.

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