Stopper, One Hole Green Neoprene - 103mm - R6300-15

Plasticoid - Pre-drilled with one hole. Hese stoppers are the same physical dimensions as our black rubber stoppers, but can be used in areas where rubber would be attacked by reagents or solvents. Synthetic, neoprene stoppers contain no free sulfur and exhibit good resiliency and shelf life. Withstand petroleum products and oils as well as most inorganic acids and bases. Stoppers are green for easy identification.