10PK Neoprene Stoppers, Solid - ASTM - Size: #7 - 30mm Bottom, 37mm Top, 25mm Length
- Ships from Rochester, NY
- US Customer Service
- 30-Day Return Policy
Pack of ten #7 stoppers made of solid, long lasting neoprene rubber. Blue color. Manufactured according to sizes recommended by ASTM standards. Each stopper measures 25mm in length, has a base diameter measuring 30mm, and a top diameter measuring 37mm. 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.
Started over 50 years ago as a small, family-owned manufacturing company, Eisco now produces over 6,500 product lines for the science education and scientific research markets. They have headquarters in both India and the US, and serve hundreds of distributors around the world.
Their core products include glassware, physics apparatus, biology models & equipment, and chemistry lab supplies. Products are designed by a team of laboratory professionals and engineers with quality and durability in mind.