DWK Duran 250 mL Flat Bottom Flask, Narrow Neck, Beaded Rim
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DWK Duran 250 mL Flat Bottom Flask, Narrow Neck, Beaded Rim

Sold by: John Morris Scientific Pty Ltd
(7) In stock
Part #: 9.141 636Manufacturer #: 217113606
Delivery: 2-4 weeks

$26.98

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Product overview

The DWK Duran 250 mL Flat Bottom Flask is a versatile laboratory vessel designed for heating and mixing applications. Crafted from high-quality borosilicate glass 3.3, this flask offers excellent thermal resistance and uniform wall thickness, ensuring durability and safety during use. The flat base allows the flask to stand upright without the need for additional support rings, facilitating ease of use in various experimental setups. The narrow neck with a beaded rim provides a secure fit for stoppers and other apparatus, minimizing the risk of spillage and contamination. This flask complies with DIN ISO 1773 standards and is autoclavable, making it suitable for sterilization and repeated use in diverse laboratory environments.

Key Features:

  • Brand: DWK Duran
  • Material: Borosilicate glass 3.3
  • Capacity: 250 mL
  • Neck Type: Narrow neck with beaded rim
  • Dimensions: Diameter: 85 mm; Height: 138 mm
  • Standards Compliance: DIN ISO 1773
  • Thermal Resistance: Uniform wall thickness suitable for heating applications
  • Autoclavable: Yes, for easy sterilization
  • Applications: Ideal for distillation, heating, and mixing processes

This flask is an essential tool for laboratories requiring reliable and high-quality glassware for precise chemical handling and experimentation.



Frequently Asked Questions

1. What is the DWK Duran 250 mL Flat Bottom Flask, Narrow Neck, Beaded Rim used for?

It is a versatile laboratory vessel designed for heating and mixing applications. Crafted from high-quality borosilicate glass 3.3, this flask offers excellent thermal resistance and uniform wall thickness, ensuring durability and safety during use. The flat base allows the flask to stand upright without the need for additional support rings, facilitating ease of use in various experimental setups. The narrow neck with a beaded rim provides a secure fit for stoppers and other apparatus, minimizing the risk of spillage and contamination. This flask complies with DIN ISO 1773 standards and is autoclavable, making it suitable for sterilization and repeated use in diverse laboratory environments.

2. Is the DWK Duran 250 mL Flat Bottom Flask, Narrow Neck, Beaded Rim suitable for distillation, heating, and mixing processes?

Yes. It is designed for distillation, heating, and mixing processes, and offers a capacity of 250 mL to support this kind of work.

3. What capacity does the DWK Duran 250 mL Flat Bottom Flask, Narrow Neck, Beaded Rim have?

It has a capacity of 250 mL, and is supplied under manufacturer part number 217113606.

4. What is the DWK Duran 250 mL Flat Bottom Flask, Narrow Neck, Beaded Rim made from and what features does it include?

It is made from borosilicate glass 3.3. It also offers narrow neck with beaded rim, diameter: 85 mm; Height: 138 mm and DIN ISO 1773.

5. How does the DWK Duran 250 mL Flat Bottom Flask, Narrow Neck, Beaded Rim compare with the DWK Life Sciences DURAN® Flat Bottom Flask 50 mL, NS 29/32 from DWK Life Sciences?

For distillation, heating, and mixing processes, the DWK model is the better choice, offering a capacity of 250 mL. The DWK Life Sciences model offers a capacity/size of 50 mL, NS 29/32 as an alternative, while the DWK model's narrow neck with beaded rim and diameter: 85 mm; Height: 138 mm help make it a strong fit for distillation, heating, and mixing processes.

Product Specifications

  • HS Code #70172000
  • AutoclavableYes
  • Ø85 mm
  • Dimensions (ØxH)85 x 138 mm
  • Height138 mm
  • MaterialDURAN® glass
  • Neck Ø34 mm
  • Nominal capacity250 ml
  • StandardDIN ISO 1773
  • UNSPSC41121804
  • With beaded rimYes
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