Product Description Our Rubber Stoppers are made from high-quality rubber resistant to acids, alkalis, and ammonia, making them perfect for a wide range of science experiments. Ideal for sealing laboratory glassware, they support hands-on learning in chemistry, biology, and physics. Product Specifications: Dimensions: Bottom 29mm, Top 33mm, Length 32mm Pack size: 10 stoppers Material: Resistant to acid, alkali, and ammonia Key Features: Durable and chemical-resistant Ideal for sealing flasks, test tubes, and beakers Essential for a variety of science experiments Pack of 10 for multiple uses These stoppers are built for longevity and reliability in the classroom, making them an essential tool for your science curriculum.
