Find polypropylene (PP) stoppers suited for use with volumetric flasks in research, academic, and industrial laboratories. Designed to provide secure closures, these stoppers come in various standard sizes (10/19, 12/21, 14/23, 19/26, 24/29, 29/32, and 34/35) to fit a wide range of flask necks.

• PP stoppers are lightweight, durable, and resistant to many chemicals, making them a practical choice for everyday laboratory work.
• Each stopper ensures a snug, leak-resistant fit for volumetric flasks, helping maintain sample integrity during experiments and solution preparations.
• Suitable for educational, analytical, and quality control environments where ease of handling and chemical compatibility are important.

These PP stoppers provide a cost-effective and dependable solution for laboratory flask closures.