Kappler Z2B412 Zytron 200 Coverall with Collar 12 per CaseKappler Z2B412 Zytron 200 Coverall with Collar 12 per Case Home Shop Kappler Z2B412 Zytron 200 Coverall with Collar 12 per Case arc flash safety 7 Flammability Resistance Pass *MD: 7 Flammability Resistance Pass *MD: Machine Direction *CD: Cross Direction Chemical Breakthrough Time (normalized) Acetone >480 Acetonitrile >480 Carbon Disulfide >480 Dichloromethane 10 Diethylamine >480 Dimethylformamide >480 Ethyl Acetate >480 n Hexane >480 Methyl Alcohol >480 Nitrobenzene >480 Sodium Hydroxide >480 Sulfuric Acid >480 Tetrachloroethylene >480 Tetrahydrofuran >480 Toluene >480 GASES Ammonia Gas >480 1 these standards tend to change (lower) as more is learned about the effects of radiation on the human body