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Transcript
Glove Selection Breakthrough Time time after application on the exterior that it takes to detect a chemical on the interior of a glove Permeation Rate rate at which a chemical moves through the material (units: mcg/cm2/min) Degradation reduction in one or more of the physical properties of a glove material due to contact with a chemical Chemical Combinationschoose the glove material based on the compound with the shortest breakthrough time and based on Potential Effects of Skin Exposure as well as Decontamination Procedures if gloves are compromised Latex • good for biological and aqueous materials • low chemical protection • can cause latex allergies Nitrile •good for solvents, oils, greases, and some acids and bases •use thicker, reusable gloves for extended contact Butyl Rubber •good for ketones and esters •bad for aliphatic, aromatic, and halogenated hydrocarbons Neoprene • good for acids, bases, alcohols, peroxides, hydrocarbons, and phenols • bad for halogenated and aromatic hydrocarbons • good for most hazardous chemicals Silver Liner • improve the low dexterity by wearing heavier weight nitrile gloves on top (aka Norfoil) Viton •good for chlorinated and aromatic solvents •bad for ketones •resistant to cuts and abrasions PVC •good for acids, bases, oils, fats, peroxides, and amines •bad for most organic solvents •resistant to cuts and abrasions PVA • good for chlorinated and aromatic solvents • bad for aqueous solutions Including Details of Evaluation Criteria: • Breakthrough Time • Permeation Rate • Degradation Ansell Chemical Resistance Guide North Chemical Resistance Guide
