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EISCO (Pack of 10) Neoprene Stoppers, 1 Hole - ASTM - Suitable for use with Petroleum, Oils & Most Inorganic Acids and Bases - Size: #11.5-50mm Bottom, 63mm Top, 25mm Length

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  • NEOPRENE STOPPERS WITH ONE HOLE || 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 #11.5 || Stopper measures 25mm in length, has a base diameter measuring 50mm, and a top diameter measuring 63mm
  • 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 #11.5 stoppers made of long lasting neoprene rubber. Blue color. Each stopper features one hole measuring 5mm in diameter. Manufactured according to sizes recommended by ASTM standards. Each stopper measures 25mm in length, has a base diameter measuring 50mm, and a top diameter measuring 63mm. 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.
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.