DWK Duran Glass Stopper, NS 85/55, Octagonal, Semi-Hollow

The DWK Duran Glass Stopper, NS 85/55, Octagonal, Semi-Hollow, is designed to securely seal laboratory glassware such as flasks, separatory funnels, or reagent bottles with ground joint necks. Manufactured from borosilicate glass 3.3, it ensures durability and resistance to aggressive materials. The standard taper ground joint provides a tight, leak-proof seal, making it suitable for heating or vacuum applications when used with appropriate grease. Its octagonal-shaped head allows for easy handling and tightening.

Key Features:

• Brand: DWK Duran
• Material: Borosilicate glass 3.3 for durability and chemical resistance
• Joint Size: NS 85/55 for compatibility with standard ground joints
• Design: Semi-hollow with an octagonal-shaped head for secure closure and easy handling
• Applications: Ideal for sealing laboratory glassware in chemical, pharmaceutical, and research settings

Note: When using DWK Duran glass stoppers with soda-lime glass bottles, avoid temperature differences greater than 30 °C between the bottle and the stopper to prevent them from becoming stuck.

Frequently Asked Questions

1. What is the DWK Duran Glass Stopper, NS 85/55, Octagonal, Semi-Hollow used for?

It is designed to securely seal laboratory glassware such as flasks, separatory funnels, or reagent bottles with ground joint necks. Manufactured from borosilicate glass 3.3, it ensures durability and resistance to aggressive materials. The standard taper ground joint provides a tight, leak-proof seal, making it suitable for heating or vacuum applications when used with appropriate grease. Its octagonal-shaped head allows for easy handling and tightening.

2. Is the DWK Duran Glass Stopper, NS 85/55, Octagonal, Semi-Hollow suitable for sealing laboratory glassware in chemical, pharmaceutical, and research settings?

Yes. It is designed for sealing laboratory glassware in chemical, pharmaceutical, and research settings, and offers NS 85/55 for compatibility with standard ground joints and semi-hollow with an octagonal-shaped head for secure closure and easy handling to support this kind of work.

3. What joint size and design does the DWK Duran Glass Stopper, NS 85/55, Octagonal, Semi-Hollow have?

It has NS 85/55 for compatibility with standard ground joints and semi-hollow with an octagonal-shaped head for secure closure and easy handling, and is supplied under manufacturer part number 216241603.

4. What is the DWK Duran Glass Stopper, NS 85/55, Octagonal, Semi-Hollow made from?

It is made from borosilicate glass 3.3 for durability and chemical resistance.

5. How does the DWK Duran Glass Stopper, NS 85/55, Octagonal, Semi-Hollow compare with the DWK Life Sciences DURAN® Hexagonal Stoppers, Short Ground, Finished, NS 14/15 from DWK Life Sciences?

For sealing laboratory glassware in chemical, pharmaceutical, and research settings, the DWK model is the better choice, offering NS 85/55 for compatibility with standard ground joints and semi-hollow with an octagonal-shaped head for secure closure and easy handling. The DWK Life Sciences model offers NS 14/15 and DIN 12252, DIN 12242, ISO 383 as an alternative, while the DWK model's NS 85/55 for compatibility with standard ground joints and semi-hollow with an octagonal-shaped head for secure closure and easy handling help make it a strong fit for sealing laboratory glassware in chemical, pharmaceutical, and research settings.