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A sulfide compound containing at least two sulfur atoms per molecule.


(ˌpɒl iˈsʌl faɪd)

a sulfide whose molecules contain two or more atoms of sulfur.
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References in periodicals archive ?
Metsa Fibre s Joutseno mill in Finland started up the world s largest single polysulfide cooking line.
Among the selected elastomers are natural rubber, fluoroelastomer, silicone, fluorosilicone, urethane, nitrile, butyl, EPDM, polybutadiene and polysulfide.
Advanced Chemistry & Technology (AC TECH), founded in 1997 and headquartered in Garden Grove, California, is the worldwide leader in the development and manufacturing of quick cure polysulfide sealants and other aerospace chemical products.
PR-2007 polysulfide sealant made by PPG Aerospace - PRC-DeSoto is the first product qualified to SAE International's Aerospace Material Specification (AMS) 3281 Type II for low-density, fuel-resistant polysulfide sealing compound and the lightest AMS-qualified aircraft sealant, according to Bill Keller, PPG Aerospace global segment manager for aerospace sealants.
Among the elastomers listed are natural robber, synthetics in common usage such as EPDM, silicone, urethane and polysulfide, and some of today's more exotic synthetic rubbers, such as fluoroelastomer and fluorosilicone.
She will also be coordinating the Cyntrol[TM] ammonium polysulfide program.
Hydrin epichlorohydrin elastomers are said to offer mechanical properties similar to those of natural rubber, along with many of the desirable properties of nitrile, polychloroprene, polysulfide and polyacrylic elastomers.
Synthetic sealants include synthetic rubber sealants, acrylic sealants, polyurethane, polysulfide and silicone sealants.
NXT LowV silane and NXT Ultra-LowV silane coupling agents are said to help decrease ethanol emissions by up to 90% compared to polysulfide silanes.
These new products can help decrease ethanol emissions up to 90 percent, compared to polysulfide silanes.
The TESPT has a polysulfide chain with S ranking of about 3.
The principle types of sealants are: RTV silicones, polyurethanes, latex, polysulfide and vinyl plastisol.