10PK Neoprene Stoppers, 2 Holes - ASTM - Size: #12 - 54mm Bottom, 64mm Top, 25mm Length

NEOPRENE STOPPERS WITH TWO HOLES || Pack of 10 long lasting neoprene rubber stoppers with a single hole measuring 5mm in diameter ASTM || Stoppers are manufactured according to sizes recommended by ASTM standards SIZE #12 || Stopper measures 25mm in length, has a base diameter measuring 54mm, and a top diameter measuring 64mm CHEMICAL & TEMPERATURE RESISTANT || The neoprene rubber construction is suitable for use with petroleum products, minerals, oils and fats, as well as most inorganic acids and bases. Resistant to temperatures ranging from -40 to 130°C MANUFACTURED BY EISCO LABS || Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control. Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind Pack of ten #12 stoppers made of long lasting neoprene rubber. Blue color. Each stopper features two holes measuring 5mm in diam