Black Rubber Conical Stoppers (29mm, 2-Pack)

These high-quality black rubber conical stoppers provide a secure seal for a wide range of laboratory glassware, including flasks, test tubes, and jars. Specifically designed for containers with a 29mm diameter opening, these stoppers ensure a tight, leak-proof fit.

Key Features:

• Size: 29mm (diameter at the middle); 34mm (larger diameter); 27mm (smaller diameter); 35mm (height)
• Quantity: Pack of 2
• Material: Thermally and chemically resistant rubber compound (GOST 7852-76, 23-6-3)
• Temperature Resistance: -8°C to +80°C
• Color: Black
• Application: Ideal for sealing laboratory glassware
• Note: These stoppers have a characteristic rubber odor. Consider this when using them in non-laboratory settings.

Available Sizes:

We offer a wide selection of rubber stoppers in various sizes, including: 5, 7.5, 10, 12.5, 14.5, 16, 19, 21.5, 24, 29, 34.5, 40, 45, 50, 60, 85, and 100mm. Quantity options are available in packs of 1, 2, 5, 10, 20, 50, 75, and 100.