Alphaplastic Black Conical Rubber Stopper 12.5mm, 20 Pack

Overview

The Alphaplastic Black Conical Rubber Stopper 12.5mm is a fundamental laboratory consumable designed for secure sealing across various scientific applications. Fabricated from a specialized thermally and chemically resistant rubber compound, it provides a dependable and consistent closure for laboratory containers.

Each stopper features a precisely engineered conical shape with a 12.5mm diameter at its midpoint, allowing for a snug and effective fit in a range of labware, including flasks, test tubes, and jars. This convenient pack contains 20 stoppers, making it suitable for both routine laboratory work and specialized experimental setups.

Why You'll Like It

• Reliable Sealing: Ensures tight closure for laboratory vessels, helping to prevent spills and evaporation.
• Chemical Resistance: Constructed from a durable rubber compound that withstands exposure to common laboratory chemicals.
• Thermal Stability: Maintains integrity under varying temperature conditions encountered in scientific environments.
• Versatile Application: Conical design adapts to different container neck sizes for broad utility.
• Quality Material: Made to exacting standards (GOST 7852-76 equivalent) for consistent performance.
• Economical Pack Size: Supplied in a 20-piece pack to meet ongoing laboratory and research demands.

Who It's For

• Laboratory Technicians: Essential for daily operations in chemical, biological, and analytical laboratories.
• Research Scientists: Ideal for maintaining sterile or controlled environments for experimental integrity.
• Educators: Perfect for use in science classrooms and educational settings for practical demonstrations.
• Quality Control Personnel: Supports sample preservation and secure storage in industrial testing facilities.
• Specialized Hobbies: Useful for enthusiasts engaged in home brewing, distilling, or other scientific pursuits requiring secure sealing.

Package Details

• Quantity: 20 stoppers per pack.
• Material: Thermally and chemically resistant rubber.
• Color: Black.
• Dimensions: Height: 22.5 mm; Larger Diameter: 15 mm; Smaller Diameter: 10.5 mm; Mid-point Diameter: 12.5 mm.