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Comparison of Zero VOC Xylene Substrates as Replacements for Xylene and Toluene

Xylene and Toluene are used in the formulation of plastics, coatings, composites, and paints. However, Toluene is designated as a Hazardous Air Pollutant (HAP), and Xylene is designated as both a HAP and an emitter of Volatile Organic Compounds (VOC). HAPs and VOCs are hazardous to human health and the environment and regulators are increasingly restricting their emission. 

Product Number: 41215-920-SG
Author: David Pasin, Diego Lopez Arias
Publication Date: 2015
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Xylene and Toluene are used in the formulation of plastics, coatings, composites, and paints. However, Toluene is designated as a Hazardous Air Pollutant (HAP), and Xylene is designated as both a HAP and an emitter of Volatile Organic Compounds (VOC). HAPs and VOCs are hazardous to human health and the environment and regulators are increasingly restricting their emission. Manufacturers are experimenting with new solvents that mimic the performance of Xylene and Toluene but are not HAPs or VOC emitters. The most common substitutes, Tertiary Butyl Acetate (TBAc) and ParaChloroBenzoTriFluoride (PCBTF) are non-HAPs and VOC-exempt, but do not perform as well across a broad range of typical solvent applications. New zero VOC solvent blends have been developed to mimic Xylene and Toluene in evaporation rate, solubility and solvency, viscosity, surface tension, and other critical factors. The performance of these zero VOC solvents is compared to that of Xylene, TBAc, and TBF across four important solvent characteristics: miscibility, solubility, evaporation and viscosity reduction. The study demonstrates that in reality there is only one zero VOC product, that replaces Xylene and Toluene, that is low in toxicity, and mimics Xylene and Toluene in their physicochemical properties. By contrast, TBAc evaporates too quickly and is too viscous while PCBTF is too heavy, too viscous, and has poor solvency. These new zero VOC solvents are recommended as a superior substitute for Xylene, Toluene, TBAc, and PCBTF in the formulation of paints, coatings, adhesives, sealants, etc., in the production of alkyds and epoxy, as an industrial degreaser and cleaner, and many other industrial applications.

Xylene and Toluene are used in the formulation of plastics, coatings, composites, and paints. However, Toluene is designated as a Hazardous Air Pollutant (HAP), and Xylene is designated as both a HAP and an emitter of Volatile Organic Compounds (VOC). HAPs and VOCs are hazardous to human health and the environment and regulators are increasingly restricting their emission. Manufacturers are experimenting with new solvents that mimic the performance of Xylene and Toluene but are not HAPs or VOC emitters. The most common substitutes, Tertiary Butyl Acetate (TBAc) and ParaChloroBenzoTriFluoride (PCBTF) are non-HAPs and VOC-exempt, but do not perform as well across a broad range of typical solvent applications. New zero VOC solvent blends have been developed to mimic Xylene and Toluene in evaporation rate, solubility and solvency, viscosity, surface tension, and other critical factors. The performance of these zero VOC solvents is compared to that of Xylene, TBAc, and TBF across four important solvent characteristics: miscibility, solubility, evaporation and viscosity reduction. The study demonstrates that in reality there is only one zero VOC product, that replaces Xylene and Toluene, that is low in toxicity, and mimics Xylene and Toluene in their physicochemical properties. By contrast, TBAc evaporates too quickly and is too viscous while PCBTF is too heavy, too viscous, and has poor solvency. These new zero VOC solvents are recommended as a superior substitute for Xylene, Toluene, TBAc, and PCBTF in the formulation of paints, coatings, adhesives, sealants, etc., in the production of alkyds and epoxy, as an industrial degreaser and cleaner, and many other industrial applications.

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