DURAN 217212402 Flask 100 mL Narrow Neck Beaded Rim

DURAN 217212402 Flask 100 mL Narrow Neck Beaded Rim

The DURAN 217212402 is a 100 mL round-bottom laboratory flask made from premium DURAN borosilicate glass 3.3, known for its outstanding chemical resistance, thermal durability, and mechanical strength. This flask features a narrow neck with a reinforced beaded rim, offering extra protection against chipping and breakage during routine handling or washing.

Its round-bottom design ensures uniform heat distribution, making it ideal for high-precision applications such as boiling, reflux, distillation, or heating in mantles. It is manufactured to meet DIN ISO 1773 standards and is autoclavable at ~121 °C, ensuring safe and repeated use in professional lab settings.

Key Features

• Premium Borosilicate Glass 3.3: Resistant to chemical attack and thermal stress.

• Round Bottom: Promotes uniform heating, reducing localized stress points.

• Narrow Neck with Beaded Rim: Reinforced for added durability and safe handling.

• Uniform Wall Thickness: Enhances performance under thermal cycling.

• Standards-Compliant: Manufactured in accordance with DIN ISO 1773.

• Autoclavable (~121 °C): Safe for repeated sterilization.

• Multipack Convenience: Supplied in packs of 10 for lab inventory efficiency.

Technical Specifications

Catalogue Number: 217212402
Nominal Volume: 100 mL
Material: DURAN® Borosilicate Glass 3.3
Neck Type: Narrow neck with beaded rim
Body Diameter: ~64 mm
Neck Outer Diameter: ~26 mm
Height: ~110 mm
Base Type: Round bottom
Standards Compliance: DIN ISO 1773
Autoclavable: Yes, ~121 °C
Packaging: Pack of 10 units

Applications

• Heating and Boiling: Suitable for uniform liquid heating in heating mantles.

• Reflux & Distillation: Ideal for organic synthesis and chemical reactions.

• Teaching Laboratories: Reliable for educational use in chemistry courses.

• Sterile and Reusable: Withstands autoclaving and frequent washing.

• Pilot and Research Work: Used in research labs requiring high precision.