Apr 10, 2013 - âNBRâ). Polyvinyl chloride (âPVCâ or âvinylâ). Viton. When prolonged or frequently repeated contact may occur, a glove with a protection class of 4 or higher (breakthrough time greater than 120 minutes ...... Neoprene. Nitr
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Battle Creek, Michigan. Yarway Corporation. Blue Bell, Pennsylvania. Canned Motor and ..... Caps â 1/2" through 1": 3,