Dow Polyurethanes Datasheets for Monomers, Intermediates, and Base Polymers

Monomers, intermediates, and base polymers are starting raw materials or binders for the production of compounded resins, plastics and elastomers, paints or organic coatings, adhesives and sealants;
Monomers, Intermediates, and Base Polymers: Learn more

Product Name Notes
• A light brown, low-viscosity polymeric methylene diphenyl diisocyanate (MDI) containing high quantities of monomeric methylene diphenyl diisocyanate (MMDI) isomers with an average functionality of 2.2 - 2.3. • The...
• A polyethylene polyphenylisocyanate that contains MDI. Low functionality and viscosity enabling optimal and economical prepolymer preparation. • Allows formulating to optimize prepolymer viscosity build and pot life for a...
• A triol polyether polyol specifically developed for high-resilience flexible slabstock foam. • Excellent slab processing characteristics enabling a wide variety of densities and hardnesses using standard HR technologies. •
• A triol polyether polyol, capped, 6000 molecular weight, specially developed for the production of flexible high-resilience molded polyurethane foam with TDI, TDI/PMDI or MDI. • Can be processed utilizing...
• A unique grafted polyether polyol containing copolymerized styrene and acrylonitrile. • Designed for use in the manufacture of highresilience flexible molded foam, high-comfort flexible foam and semi-flexible molded foam.
• Designed for the production of soft and hypersoft flexible slabstock foams. • EO-rich cell opener for high-resilience foams. • Enables substantial softening in conventional foams at low levels. •
• High functionality EO-rich cell opener for highresilience foams. • Excellent cell opening at low levels (0.5 - 5.0 php) with no sacrifice in foam hardness.
• High-performance polyether polyol especially designed for the production of high-resilience (HR) and combustion modified high-resilience (CMHR) flexible slabstock foams. • For very high-resilience foam with outstanding feel and properties.
• Styrene acrylonitrile-based copolymer polyol with 43% solid content especially designed for the production of high-resilience (HR) and combustion modified high-resilience (CMHR) flexible slabstock foams. • Excellent tensile properties. •
• Styrene acrylonitrile-based polyol with 43% solid content for the production of enhanced load-bearing slabstock foams. • Increased solid levels for extra-hard flexible foam. • Proprietary finishing for low-odor and...
VORANOL™ 225 Polyol VORANOL™ 225 Polyol is a 250 molecular weight glycerine-initiated polyether triol. It may be used in rigid polyurethane foam formulations and in semi-rigid packaging foam formulations. VORANOL™
A polymethylene polyphenylisocyanate that contains MDI. This product has a high functionality and a high viscosity resulting in high crosslink density. Benefits Results in high cross-link density.
Broad range of polyurea and polyurethane spray elastomer systems. Grades with superior abrasion resistance available. Applications Coatings, Adhesives, Sealants & Elastomers (CASE), Furniture & Decorative, Mining, Transportation
Carbodiimide modified MDI with higher 4,4-MDI content suitable for general CASE applications, carpet underlayment and shoe soles
Controlled distribution of molecular weight for improved polymer properties. Low free TDI content (reduced labeling requirements). Application Coatings, Adhesives, Sealants & Elastomers (CASE)
Dow introduces VORAPEL™ Hydrophobic Polyols, a new family of polyols that offer enhanced hydrophobic properties with up to 50 percent improvement in water uptake compared to traditional polyethers and excellent...
HYPOL* Hydrophilic Polyurethane Prepolymers are unique reactive liquids characterized by high hydrophilicity and are suitable for the manufacture of foams, gels, coatings and elastomers. Because HYPOL enables these products to...
ISONATE 181 MDI prepolymer is a modified MDI compound produced by reacting high-purity diphenylmethane diisocyanate with sufficient glycol to allow easy handling down to 80°F (27°C). This medium-viscosity, super-cooled liquid...
ISONATE 240 MDI prepolymer is a modified MDI compound produced by reacting high-purity diphenylmethane diisocyanate with a high molecular weight polyester polyol, resulting in a material with good storage stability...
ISONATE™ 128 Modified MDI is a stable liquid MDI with optimal storage conditions between 80 - 95 °F (27 - 35 °C). Benefits This two-functional isocyanate has similar reactivity and...
ISONATE* 125M pure MDI is a crystalline, pure MDI mixture composed of approximately 98 percent 4,4’-diphenylmethane diisocyanate and 2 percent 2,4’-diphenylmethane diisocyanate. Characterized by high purity, low acidity and reproducible...
ISONATE* 125MDR pure MDI is a crystalline, pure MDI mixture composed of approximately 98 percent 4,4’-diphenylmethane diisocyanate and 2 percent 2,4’-diphenylmethane diisocyanate. Characterized by high purity, low acidity and reproducible...
ISONATE* 143L modified MDI is a polycarbodiimide-modified diphenylmethane diisocyanate. Liquid at room temperature, this product has a low viscosity and good storage stability down to 75°F (24°C). The polycarbodiimide adduct...
ISONATE* 50 O,P' pure MDI is a high ortho-para MDI designed for use in polyurethane adhesives, sealants, sports flooring, coatings, electrical encapsulants and flexible molded foams. With the highest ortho-para...
NE 520 Polymeric MDI is a polymethylene polyphenylisocyanate that contains MDI. Low viscosity, low functionality, increased diphenylmethane diisocyanate content and increased percentage of ortho-para isomers make SPECFLEX NE 520 polymeric...
PAPI™ 23 High Airflow Isocyanate is a light brown, low viscosity polymeric Methylene Diphenyl Diisocyanate (MDI) containing high quantities of Monomeric Methylene Diphenyl Diisocyanate (MMDI) isomers with an average functionality...
PAPI* 20 polymeric MDI is a polymethylene polyphenylisocyanate that contains MDI. This product has a high functionality and a high viscosity resulting in highly rigid foams. This product is designed...
PAPI* 27 polymeric MDI is a polymethylene polyphenylisocyanate that contains MDI. This product has a narrow molecular weight distribution and a high reactivity. Applicable to many foam processes, this product...
PAPI* 580 N polymeric MDI is a polymethylene polyphenylisocyanate that contains MDI. This product has a high functionality and a relatively high viscosity. Recommended for use in polyisocyanurate rigid foams,...
PAPI* 901 polymeric MDI is a polymethylene polyphenylisocyanate that contains MDI. This product has a high functionality and a high viscosity resulting in highly rigid foams. This product is designed...
PAPI* 94 polymeric MDI is a polymethylene polyphenylisocyanate that contains MDI. This product’s low viscosity, low functionality, increased diphenylmethane diisocyanate content and increased percentage of orthopara isomers make PAPI 94...
PAPI* 95 polymeric MDI is a polymethylene polyphenylisocyanate that contains MDI. This product’s viscosity and functionality have been optimized by maintaining a high diphenylmethane diisocyanate content and a high percentage...
Polyglycol P 2000 Polyol is a propylene glycol initiated, 2000 molecular weight, homopolymer diol. Applications for this product include Elastomers, Adhesives, Coatings and Sealants. Benefits Polyglycol P 2000 Polyol can...
Polymeric MDI with moderate 2,4-MDI content and higher acidity suitable for rigid and semi-rigid foams, building panels, coatings and prepolymers for binders and adhesives
SPECFLEX NC 140 Polyol is a high functional EO rich polyether polyol. It is typically used in viscoelastic slabstock or molded viscoelastic foam produced with polymeric MDI. Benefits SPECFLEX NC...
SPECFLEX™ 334-028 is a reactive styrene acrylonitrile (SAN) based copolymer polyether polyol with 22% solid content especially developed for the production of high resilience (HR) and combustion modified high resilience...
SPECFLEX™ NC 630 Polyol is a high functionality, EO capped, polyether product. Its high molecular weight, functionality and high primary hydroxyl content make it well suited for high resilience, flexible...
SPECFLEX™ NC 701 Polyol is a unique grafted polyether polyol containing copolymerized styrene and acrylonitrile. It is designed for use in the manufacture of high resiliency (HR) flexible molded foam,...
SPECFLEX™ NE 520 Polymeric MDI is a polymethylene polyphenylisocyanate that contains MDI. Low viscosity, low functionality, increased diphenylmethane diisocyanate content and increased percentage of ortho-para isomers make SPECFLEX NE 520...
SPECFLEX™ NS 1540 Polymeric MDI is a polymethylene polyphenylisocyanate that contains MDI. Low viscosity, low functionality, increased diphenylmethane diisocyanate content and increased percentage of ortho-para isomers make SPECFLEX NS 1540...
SPECFLEX* NC 630 polyol is a high functionality capped polyol. Its high molecular weight, functionality and high primary hydroxyl content make it well suited for high resilience, flexible molded foams.
Systems based on aliphatic isocyanate for the manufactureing of UV stable PU systems. Low free isocyanate monomer grades available. Application Coatings, Adhesives, Sealants & Elastomers (CASE), Industrial Applications
The diol line of VORANOL polyether polyols are well suited for use in numerous applications, including microcellular reaction injection molding (RIM), prepolymers, sealants, and other polyol blends.
VORAGUARD™ Polyol is a reactive polyether-based copolymer dispersion with typically 20% solid content especially designed for high resilience slabstock and moulded foam applications with high load bearing properties. Benefits VORAGUARD™
VORALUX™ HL 400 Polyol is a styrene acrylonitrile (SAN) based copolymer polyether polyol with 42% solid content especially developed for flexible slabstock foam. Benefits VORALUX™ HL 420 Polyol offers an...
VORANATE* toulene diisocyanates are ideal for flexible slabstock and flexible molded foam applications. Choose from two types: low acidity (Type I), and high acidity (Type II). Both VORANATE T-80 products...
VORANOL™ 2070 Polyol is a glycerine initiated, 700 molecular weight, homopolymer triol Polyol. It was developed for the production of viscoelastic flexible foams, also known as "low resilience foam" or...
VORANOL™ 225 Polyol is a 250 molecular weight glycerine-initiated polyether triol. It may be used in rigid polyurethane foam formulations and in semi-rigid packaging foam formulations. Benefits VORANOL™ 225 Polyol...
VORANOL™ 3150 Polyether Polyol is a triol with a nominal molecular weight of 1000, and is specifically designed for viscoelastic slabstock foam applications. VORANOL 3150 Polyether Polyol can be used...
VORANOL™ 4701 Polyol is a high reactivity capped polyether triol with high molecular weight and high primary hydroxyl content. Typical uses include high resiliency, flexible molded and semi-flexible molded foams.
VORANOL* 220-094 is a propylene glycol initiated, 1200 molecular weight homopolymer diol. It is a medium reactivity product useful in preparing prepolymers and as a flexibilizing chain extender in soft...
VORANOL* 220-110N polyether polyol is a propylene glycol initiated, 1000 molecular weight homopolymer diol. The product has been specially neutralized for use in the production of prepolymers intended for a...
VORANOL* 220-260 polyether polyol is a nominal 425 molecular weight homopolymer diol. It is a generalpurpose product used in the manufacture of prepolymers and as a chain extender in elastomers...
VORANOL* 222-029 polyether polyol is a nominal 4000 molecular weight diol based on propylene oxide with ethylene oxide capping. Its high molecular weight and enhanced reactivity make it well suited...
VORANOL* 222-056 polyether polyol is a 2000 molecular weight diol based on propylene oxide with ethylene oxide capping. The enhanced reactivity and elastomer physical properties are due to the balance...
VORANOL* 230-056 polyether polyol is a medium reactivity, glycerine-initiated homopolymer triol, nominal 3000 molecular weight. This product is used in the manufacture of prepolymers and in direct onestep polyurethane production.
VORANOL* 230-112 polyether polyol is a general purpose, nominal 1500 molecular weight, homopolymer triol used in the manufacture of foams and prepolymers for various applications.
VORANOL* 230-238 polyether polyol is a general purpose polyether triol with a nominal molecular weight of 700. Typical uses include prepolymer applications, all kinds of packaging foam, thermal breaks and...
VORANOL* 230-660 polyether polyol is a 250 molecular weight polyether triol with high reactivity, used in rigid elastomers. When this high molecular weight polyol is combined with low equivalent weight...
VORANOL* 232-034 Polyether Polyol is a high reactivity capped triol. Its high molecular weight and high primary hydroxyl content make it well suited for flexible or rigid systems. Typical applications...
VORANOL* 232-035 polyether polyol is a nominal 5000 molecular weight, high reactivity capped triol. It has a high primary hydroxyl content making it suitable for use in making all types...
VORANOL* 270 polyether polyol is a 700 molecular weight polyether triol. VORANOL 270 polyol is primarily used in semi-rigid packaging foam. Typical applications include packaging foam, one or two pack...
VORANOL* 271 polyether polyol is a high reactivity capped triol. It is wellsuited for open-cell rigid foam requiring excellent water absorption properties. Typical applications include floral foam, open-cell rigid foam,...
VORANOL* 280 polyol is a sucrose/glycerine initiated polyol. The low viscosity makes this polyol useful for partial and all-water-blown, pourin- place applications. This polyol is typically blended with lower functionality...
VORANOL* 360 polyether polyol is a 4.5 functional, low viscosity, sucrose/glycerine initiated polyether polyol designed for the production of both high and low density rigid polyurethane foams. It can be...
VORANOL* 370 polyether polyol is a 7.0 functional, sucrose/glycerine initiated polyether polyol designed for the production of rigid polyurethane foam. It is suitable for production of both high and low...
VORANOL* 391 polyether polyol is a highly reactive aromatic amine (o-TDA) initiated polyol offering good compatibility with isocyanates, along with improved flow. Its inherently enhanced reactivity also allows for significant...
VORANOL* 3943A copolymer polyol is a unique, grafted polyether polyol containing copolymerized styrene and acrylonitrile, and filtered to 100 microns. It is used in the manufacture of flexible slabstock polyurethane...
VORANOL* 446 polyol is a neutralized, 4.5 functional, low viscosity, sucrose/glycerine initiated polyether polyol designed for the production of isocyanate prepolymers and rigid polyurethane foams. The versatility offered by VORANOL...
VORANOL* 490 polyether polyol is a 4.3 functional, sucrose/glycerine initiated polyether polyol designed for the production of rigid polyurethane foam. It is suitable for both high and low density foams.
VORANOL* 800 polyether polyol is an aliphatic-amine initiated polyol designed for blending with other polyols. It offers lower viscosity than VORANOL 770 polyol and exhibits excellent HCFC-134a compatibility. VORANOL 800...
VORANOLTM 3136 Polyether Polyol is a glycerine initiated, nominal 3000 molecular weight heteropolymer triol. It is a BHT-free product that is used in the commercial manufacture of a wide range...