Specialty Chemicals Intermediates

Functional Additives



Binders used to reduce weight, cost and dampen sound.

polyurethane dispersions

Water & Solvent-Borne Dispersions

Water & Solvent-Borne dispersions for coatings, inks, and paints which enhance physical properties.


Superabsorbents Powders

Zappa Stewart is the preeminent supplier of superabsorbent polymers (SAP) for specialty applications.

Thermoplastic microspheres and water-based polyurethane dispersions offer unique product technologies that add value to customer applications. These “green” technologies provide development solutions that can be optimized for reducing energy and water usage, greenhouse gasses, and overall processing cost.

Dualite polymeric microspheres 

Tunable fillers designed for density reduction, lightweight, and sound dampening.

Features & Benefits

density Price Reduction Lightweight
Density Price Reduction  Lightweight Sound Dampening

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Water-based polyurethane dispersions

Polyurethane Dispersions green

Water-based polyurethane dispersions that are environmentally responsible and highly durable.

They are a rapidly growing segment of the specialty chemicals industry. Polyurethane polymers have traditionally exhibited high toughness, versatility and a wide range of superior properties, such as:

Features & Benefits

Impact resistant
Abrasion Resistance Impact Resistance  Low-temperature Flexibility

Waterborne dispersion technology allows ease of formulation, application, and clean up as well as environmental advantages such as the elimination of monomers, odor, and reduction of volatile organic compounds (VOC).

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