Product overview

The DWK SVL 18 mm Screw Caps are designed to securely seal test tubes, ensuring sample integrity during storage and transport. Each cap features a PTFE-coated rubber seal that provides a reliable, leak-proof closure. Manufactured from high-quality materials, these black screw caps are durable and resistant to chemical corrosion. The pack includes 20 caps, making it ideal for laboratory use.

Key Features:

Brand: DWK
Thread Diameter: 18 mm
Seal Material: PTFE-coated rubber for enhanced chemical resistance
Color: Black
Packaging: Pack of 20 screw caps

These screw caps are essential accessories for laboratories requiring secure and reliable sealing solutions for test tubes.

Frequently Asked Questions

1. What is the DWK SVL 18 mm Screw Caps for Test Tubes, Pack of 20 used for?

It are designed to securely seal test tubes, ensuring sample integrity during storage and transport. Each cap features a PTFE-coated rubber seal that provides a reliable, leak-proof closure. Manufactured from high-quality materials, these black screw caps are durable and resistant to chemical corrosion. The pack includes 20 caps, making it ideal for laboratory use.

2. Is the DWK SVL 18 mm Screw Caps for Test Tubes, Pack of 20 suitable for laboratory use?

Yes. It is designed for laboratory use, and offers a thread diameter of 18 mm to support this kind of work.

3. What thread diameter does the DWK SVL 18 mm Screw Caps for Test Tubes, Pack of 20 have?

It has a thread diameter of 18 mm, and is supplied under manufacturer part number 4503/18.

4. What seal material and color does the DWK SVL 18 mm Screw Caps for Test Tubes, Pack of 20 offer?

It offers pTFE-coated rubber for enhanced chemical resistance and black.

5. How does the DWK SVL 18 mm Screw Caps for Test Tubes, Pack of 20 compare with the Kartell 15 mL Sterilized Polypropylene Test Tubes with White Screw Caps (16 x 100 mm), Pack of 100 from Kartell?

For laboratory use, the DWK model is the better choice, offering a thread diameter of 18 mm. The Kartell model offers dimensions of 16 mm (Diameter) x 100 mm (Length) and a capacity of 15 mL as an alternative, while the DWK model's pTFE-coated rubber for enhanced chemical resistance and black help make it a strong fit for laboratory use.