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Desmodur
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  • Adhesives
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Desmodur®: For quality coatings, adhesives and PU foams

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When it comes to high-quality polyurethane applications, Desmodur® polyisocyanates from Covestro are renowned for their versatility. Along with Covestro polyols, they are a key component for the production of exceptional polyurethane-based products with wide-ranging properties.

Our comprehensive range of Desmodur® polyisocyanates for flexible and rigid foams, binders, integral skin foams, composites, solventborne and high solids polyurethane (PU) coatings, adhesives and sealants offers tremendous formulating freedom. PUs based on Desmodur® are used in upholstery, mattresses, car seats, thermal insulation (buildings, refrigeration), wheels, rollers and dashboards. They are also used as coatings to protect everyday products such as cars, trucks and buses, appliances and electronics, wood furniture and cabinetry, interior and exterior walls, floors, window frames, food packaging and, not least, marine vessels, bridges and other infrastructure. In addition, Desmodur® makes it possible to optimize adhesives with a wide range of high-performance building blocks.

Featured Products

Desmodur® N 3400

Aliphatic polyisocyanate (HDI uretdione).As the hardener component for lightfast polyurethane coating systems.

Key Benefits

  • Versatile: Adaptable for just about any PU foam, coating or adhesive application.
  • Durable: Excellent resistance to chemicals, weathering and UV radiation.
  • Proven: Desmodur® polyisocyanates have a track record that spans 70 years.

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Brochures & Downloads

FlexPack.pdf
Desmodur XP 2802 Onepager.pdf
Elastomers Desmodur index.pdf
Elastomers hand moulding brochure.pdf
Desmodur white Ali Foams Flyer
Dispersions.pdf
Polyisocyanate and Prepolymers.pdf
Desmodur 2808
Corrosion Protection
Polyaspartic Technology
Desmodur eco bio-based crosslinker
Desmodur Bayhydur Ultra Line Flyer.pdf

Technology

  • We offer a unique portfolio of ready-to-use ingredients for customized solventborne coatings.
    Technology

    Solventborne coatings & paints

    Solventborne polyurethane coating systems provide finishes across a broad array of industrial applications

  • Desmodur® aliphatic-based systems provide crystal clear, UV-stable elastomers.
    Technology

    Aliphatic prepolymers

    Aliphatic-based systems provide crystal clear, UV-stable elastomers

  • Desmodur® TDI-based systems for hot-cast polyurethane elastomers
    Technology

    TDI prepolymers

    TDI-terminated prepolymers for cast polyurethane elastomers that are processed using hot casting methods

  • Adhesive formulations with 100 percent solids are an attractive option for many applications.
    Technology

    100% solids

    Polyurethane raw materials for 100% solids adhesives and sealants

  • Solvent-based systems are an established bonding technology for a wide variety of adhesives.
    Technology

    Solventborne

    Our solventborne adhesive systems offer bonding technology for a wide variety of adhesives

  • Waterborne adhesive systems offer a more environmentally conscious approach to laminating and bonding.
    Technology

    Waterborne

    Our waterborne adhesive systems offer a more environmentally conscious approach to laminating and bonding

  • High solids and solvent-free coatings offer the same strong performance plus greater sustainability.
    Technology

    High solids & nonsolvent systems

    Our high solids and nonsolvent systems comply with strict low-VOC requirements in Europe and other regions

  • Polyurethane raw materials are suitable for waterborne and solvent-based heat-activated adhesives.
    Technology

    Thermo-activated adhesives

    We provide polyurethane raw materials for the formulation of waterborne and solvent-based heat-activated adhesives

  • Hot-melt adhesives are applied at high temperatures and rapidly develop a considerable bond strength.
    Technology

    Hot melts

    Polyurethane raw materials are ideal for non-reactive and reactive hot-melt systems.

Application

  • 聚氨酯泡沫床垫
    Application

    Mattresses

    Mattresses made with our high-quality polyurethane components are easy to process, durable and offer outstanding comfort

  • Printing rollers & blades: Robust elastomers for smooth, superior print results
    Application

    Printing rollers & blades

    Robust elastomers for printing rollers and blades withstand heat, abrasion and swelling to deliver superior printing results

  • StandardScreenFOM Launch materials backdropedited FINAL
    Application

    Telecommunications, Wire and Cable

    The telecommunications industry plays a pivotal role in supporting the framework of society on a global scale, for the transmission of energy and data.

  • Lighting & lamp; LED: specialized PCS for every lighting application
    Application

    Lighting & LED

    Specialized polycarbonate products let you realize the full potential of LED and other lighting applications by enhancing transmission, diffusion, reflection, or thermal conductivity.   

  • Automotive exterior: Durable, sustainable materials with greater design freedom
    Application

    Automotive exterior

    Polycarbonates, polyurethanes, films and coatings for vehicle exteriors are light, durable, and sustainable with more design freedom

  • Durable coatings and films provide long-term protection in marine and radar applications.
    Application

    Marine & ships

    Our protective solutions for the marine sector range from polyurethane-based coatings to polycarbonate films

  • Desmodur® based elastomers withstand the harsh requirements of the mining industry.
    Application

    Mining

    Durable, resilient cast polyurethane (PU) elastomers are an ideal solution for continuous production in mining applications

  • Coatings for tough, good-looking exteriors
    Application

    ACE Equipment

    High-performance, highly durable coatings for hard working agricultural, construction and earthmoving equipment

  • Pipe insulation
    Application

    Pipe insulation with polyurethane

    Covestro offers expertise in high-performance polymers for district heating pipes

Case study

  • Bedroom with nature view
    Case study

    Sustainability for foam

    With bio-circular attributed materials, mass-balance TDI, we offer our customers the ideal foam for next-gen mattresses.

  • Selena´s Tytan Professional® Adhesive for Bricklaying foam emits 60% less CO₂ thanks to Covestro´s Desmodur® CQ MB low-carbon MDI.
    Case study

    Low-carbon adhesive

    Our Desmodur® CQ MB mass balance MDI enabled Selena Group to create a low carbon foam adhesive for bricklaying.

  • Case study

    Climate neutral Desmodur® CQ MS for low-carbon PUR/PIR insulation

    TVH chose Recticel Impact insulation boards based on Desmodur® CQ MS, our climate-neutral MDI, for a 43% reduction in CO2 emissions vs. classic PU panels.

  • Desmodur CQ ultra N 7500
    Story

    Desmodur® CQ ultra N 7500

    Meet Desmodur® CQ ultra N 7500: a low-viscosity, self-leveling 68-70% bio-based hardener built for floor-coating applications

  • Case study

    Low carbon Desmodur® 

    Certified low carbon Desmodur® CQ MB enabled Selena Group  to create its Ultra Fast 70 low emission one component foam.

  • PU-based adhesives for innovative solar car solutions
    Case study

    Sika PU-based adhesives

    Desmodur® and Desmophen® help solar car withstand challenging conditions

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    Case study

    Sonnenwagen project

    Desmodur® CQ makes bio-based clearcoat competitive

  • Successful partly bio-based coating includes renewable hardener Desmodur®  CQ N 7300.
    Case study

    Lankwitzer coating

    Sustainable locomotive coating made with partly bio-based Desmodur® eco N hardener

  • 111 kilometers pipeline were coated with a fast-curing 2K PU coating based on Desmodur® and Desmophen®.
    Case study

    Dhakira pipeline

    Fast-curing 2K polyurethane enables efficient pipeline coating

  • look at the alt tag of the "Image" field in the stage section and configure the same alt tag for "Teaser Image"
    Case study

    A Desmodur® ultra success story:

    How ultra line crosslinkers enabled the automotive refinish coatings industry to be prepared for the future

  • Case study

    Protective lagoon coating

    Learn how aliphatic polyurea elastomeric technology helped Delta Coatings protect one of Dubai’s largest man-made lagoons.

  • Row of offshore wind turbines on a calm ocean
    Case study

    Elastomer using CO2 tech

    We developed cast elastomer for bearing pads and tensioner track pads to help the offshore industry cut its carbon footprint.

  • Case study

    Low carbon PU insulation 

    Our climate neutral   Desmodur® CQ MS enabled Recticel Impact, a PU insulation board range with 43% lower CO2 emissions.

  • Our PU foam in prefab wall elements from Logelis enable high-performing insulation at a low price.
    Case study

    House of Nations

    Polyurethane enables fast, sustainable housing on a budget

  • Cast polyurethane hardening in mold
    Case study

    Improved molding with MDI

    MOCA is increasingly subject to restrictions, so we developed the MDI-based Desmodur® to overcome these constraints.

  • Crosslinking technology beats the heat in solar car’s engine
    Case study

    Efficient engine

    Desmodur®-based crosslinking technology withstands high temperatures.

  • World’s first 64.2 full polyurethane resin wind blade
    Case study

    Wind blade made entirely from PU resin.

    Covestro, LZ Blades and Goldwind develop the world’s first 64.2m full polyurethane resin wind turbine blade

  • PU foam mattress topper
    Case study

    Soft and resilient PU foam

    Desmodur® white hardener enables the new piSpring® aliphatic foam mattress topper to unite softness with high rebound.

Story

  • look at the alt tag of the "Image" field in the stage section and configure the same alt tag for "Teaser Image"
    Story

    Pasquick® for high-productivity protective coatings

    Faster curing, fewer coating layers, ultra-high solid formulations.

  • Adhesives Pull Test
    Story

    Adhesives and sealants for construction, automotive, industrial, furniture.  

    High performance adhesives and sealants for industries such as construction, automotive, industrial and furniture.  

  • Two persons at an injection molding machine - KeyVisual
    Story

    DirectCoating Technology for the Automotive Industry

    Discover the Direct Coating technology of Covestro, integrating efficiency and quality in surface finishing to meet diverse industry needs

  • Story

    More sustainable cast PUs

    Leveraging mass balance and renewable resources, Covestro’s low-carbon cast PU resins help streamline your operations.

  • look at the alt tag of the "Image" field in the stage section and configure the same alt tag for "Teaser Image"
    Story

    Planning straightforward by cross-linking. Why not?

    A new standard for industrial hygiene – without any compromise

  • Construction image_LR
    Story

    Partly bio-based isocyanate hardeners for industrial coatings

    Discover Covestro’s partly bio-based isocyanates for the industrial coatings market. Create industrial coatings that support your carbon-footprint targets.

  • Green harvester
    Story

    Pasquick® – process efficiency in industrial applications / Pasquick® boosts ACE and industrial metal coatings process efficiency

    Pasquick® binder technology helps to enhance process efficiency in ACE and other industrial applications through fast curing at ambient temperatures.

  • The secret to successful flexible packaging formats often lies within – in high-performance polyurethane adhesives.
    Story

    Full-spectrum polyurethane adhesives for flexible packaging

    The secret to successful flexible packaging formats often lies within – in high-performance polyurethane adhesives

  • Polyurethane elastomer systems formulated for the uniquely demanding conditions of off-shore cable protection.
    Story

    Off-shore windfarm protection

    Polyurethane elastomer systems formulated for the uniquely demanding conditions of off-shore cable protection

  • Building  Construction Workshop
    Story

    Path from more sustainable materials to low carbon buildings

    Explore how AI, collaboration, and circular practices can reduce embodied carbon in construction for a more sustainable future.

  • Futuristic buildings of a future city skyline.
    Story

    Future buildings

    Covestro recruited a group of visionary architects to discuss how the building sector can become much more sustainable.

  • Auto Seat
    Story

    More sustainable PU foams

    Learn how more sustainable feedstocks in PU foams can reduce the automotive industry carbon footprint and how we aim for full PU recycling.

  • Cat looking in mirror and sees itself as a lion
    Story

    Unleashing cast PU 

    We transform cast PU elastomers to boost fire resistance or provide antistatic, antihydrolytic or antibacterial properties.

  • A penguin in front of a blue background.
    Story

    Architect’s enabler: PUR/PIR rigid foam insulation

    PUR/PIR rigid foam insulation is a high-performance, durable, easy-to-install material bringing architect’s vision to life.

  • Ein Chamäleon auf einem Stock vor einem orangefarbenen Hintergrund.
    Story

    PUR/PIR foam insulation empowers builders

    Customers demand buildings with high energy efficiency at affordable cost. PUR/PIR foam insulation helps builders deliver.

  • An impression of open-mold casting
    Story

    Saving energy for cast PU

    Explore Covestro’s cutting-edge solutions and reduce energy consumption without compromising on cast polyurethane quality.

  • Modern auto seats
    Story

    Automotive seat cushion 

    Polyurethane foams using  renewable feedstocks are enabling more sustainable automotive seats with much lower emissions. 

  • Mass balance, recycled compounds and ISCC certification for sustainability and a circular economy
    Story

    Polyisocyanate crosslinker portfolio from Covestro

    More sustainable IPDI product line with reduced carbon footprint, enabled via a mass-balance approach.

  • look at the alt tag of the "Image" field in the stage section and configure the same alt tag for "Teaser Image"
    Story

    Pasquick® for rail and transportation coatings

    Pasquick® enables very fast drying at room temperature, saves energy and speeds up production.

  • Clean car going through car wash
    Story

    #CovestroSolves Automotive Challenges in North America

    Developing solutions for a brighter world through innovative chemistry

Want to know more about Desmodur®?
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