Description

Solid Rubber Stoppers

These black stoppers are made from durable natural rubber, which remains flexible over extended periods. Designed for use with non-aggressive or concentrated solutions, they feature a low sulfur content and withstand temperatures from –25 to 70°C (–13 to 158°F). Each stopper is marked with its size in raised numbers and measures 25 mm in height. Sold in one-pound bags.