Appendix A

Hydrogen Fluoride Permeation Data for Various Gloves Materials

Material Breakthrough time (in hours)
Butyl Rubber

>4

Natural Rubber1 to 4
Neoprene1 to 4
Polyethylene1 to 4
Nitrile Rubber<1(*)
Polyvinyl Alcohol<1(*)
Polyvinyl Chloride<1(*)
(*) not recommended, degradation may occur