Size 1 Pure Gum Rubber Stoppers will plug bottles, lab vials and other openings. Pure Gum Rubber useful to 220º F and in applications with moderate chemicals, alocohols and organic acids. Do not use with strong acids, fats, grease or hydrocarbons. Not for food or beverage packaging applications.
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Pure Gum Rubbber Stopper
I logged on to buy a rubber stopper, but when I saw the gum stoppers, it was clear that they would be perfect for a 19th century, glass ink well. Free shipping was fast.
