Isocyanates

Get your best reaction with high-quality isocyanates

Polyurethane chemistry offers unparalleled versatility, resulting in an array of materials carefully crafted through the interaction between isocyanates and hydrogen-containing compounds. Dow's high-purity, high-quality isocyanate solutions enable the creation of an extensive material range, with durability built in as standard. You can achieve outstanding results across various industries and product types, whether that’s in coatings, adhesives, sealants, and elastomers, low- and high-density semi-rigid foams, rigid foams, viscoelastic (memory) slab foam, structural reaction injection molding (RIM) materials, or flexible molded foam and slabstock. 

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TDI
MONOMERIC MDI
POLYMERIC MDI
MDI PREPOLYMERS & MIXTURES

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Versatile and low-acidity TDI for diverse foam and coating applications

Dow’s VORANATE™ T 80 is a low-acidity, 80:20 mixture of the 2,4 and 2,6 isomers of toluene diisocyanate (TDI). It is a low viscosity, difunctional isocyanate widely used in flexible foam applications. The product may be used to make automotive seating, furniture cushioning, mattress cushioning and specialty foam applications. It is also used as a reactive intermediate in coating, adhesive, sealant and prepolymer applications. 

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Versatile solutions for flexible foams, CASE and footwear applications

Dow’s Monomeric MDI solutions are available as 4,4’- and 2,4’-isomers of Methylen Diphenyldiisocyanate. Our portfolio includes standard mMDIs to various mMDI types with different stabilization and reactivity levels, suitable for use in prepolymers for flexible foams, CASE applications, and footwear soles. Our pure 4,4’-MDI is available in liquid form, with a limited shelf life. 

Products overview

Explore our Monomeric MDI solutions for flexible foams, CASE and footwear applications.

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Products

ISONATE™ 125M

ISONATE™ 125MDR

ISONATE™ 125MH

ISONATE™ M 124D

ISONATE™ M 125 H

ISONATE™ M 125U

ISONATE™ M 125UA

ISONATE™ M125 C

ISONATE™ OP 50

ISONATE™ OP 30

MDI 124

Easy-to-process solutions for diverse applications and industries

Dow offers a wide range of Polymeric Methylene Diphenyldiisocyanate (pMDI). Highly versatile and easy to process, these products are used across many applications and industries, either neat or as part of mixtures and prepolymers fabrication. These products can be used in the production of semi-flexible foam, rigid foams, and CASE applications, as well as a binder in the wood-working industry.

Products overview

Explore our Polymeric MDI solutions suitable for a range of applications.

Can’t find a product or want to know more? Contact us today.

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Products

PAPI™ 135 

PAPI™ 23 High Airflow 

PAPI™ 27 

PAPI™ 580 N 

PAPI™ 6146 

PAPI™ 901 

PAPI™ 94 

POLYMERIC MDI 199 

POLYMERIC MDI 253 

VORANATE™ M 229 N 

VORATEC™ SD 100 

VORATEC™ SD 100 IF 

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Enhanced processing for foam, elastomer, and casting applications

In addition to polymeric MDI (pMDI) and monomeric MDI (mMDI) grades, Dow offers a range of isocyanate prepolymers and mixtures of isocyanates combining excellent processing with improved mechanical properties. They are typically used for foamed articles, elastomers, and castings. 