Description General description • Butyl for highest impermeability to water vapor, gases, and toxic fluids • Hypalon® for resistance to abrasion, oxidizing chemicals, ozone, and UV • Ideally suited for the handling of ketones, esters, acetone, benzene, ethanol, and toluene • Stays flexible at extreme temperatures • Can withstand VHP • Has the highest impermeability to water vapor and is impermeable to most gases • Holds up well to physical stresses such as oxidation solvents and chemicals Legal Information Hypalon is a registered trademark of E. I. du Pont de Nemours and Company