DURAN 217118604 Flat-Bottom Flask Narrow Neck 10000 mL

DURAN 217118604 Flat-Bottom Flask Narrow Neck Beaded & Reinforced Rim 10000 mL

The DURAN 217118604 is a 10,000 mL (10 L) flat-bottom flask designed for large-volume laboratory applications. Manufactured from DURAN® borosilicate glass 3.3 (Type I / neutral glass), it combines high chemical resistance, low thermal expansion, and excellent durability under repeated heating and sterilization cycles.

The flat-bottom base allows direct placement on benches or hot plates without requiring a support ring, providing stability during heating or storage. Its narrow neck (~ large OD) minimizes evaporation and splashing, while ensuring more controlled pouring. The beaded & reinforced rim adds mechanical strength, reducing the risk of chipping at the neck opening — an essential feature for large-capacity flasks where handling stresses are greater.

With uniform wall thickness, the flask supports even heat distribution and minimizes hot spots during boiling or distillation, making it reliable for demanding laboratory workflows. As a non-DIN EN ISO size, this flask is classified outside standard ISO dimensions due to its large capacity but maintains the same DURAN quality standards. It is supplied individually (1 unit per pack) and is autoclavable (~121 °C) for safe sterilization and reuse.

Features

• Large 10 L Capacity – Suitable for bulk reactions, distillation, or reagent/media preparation.

• Premium Borosilicate Glass 3.3 – High resistance to heat, thermal shock, and chemicals.

• Flat-Bottom Design – Stable placement directly on heating surfaces or lab benches.

• Narrow Neck with Beaded & Reinforced Rim – Stronger neck edge, reduced chipping, controlled pouring.

• Uniform Wall Thickness – Ensures safe and even heating, minimizing hot spots.

• Autoclavable (~121 °C) – Safe sterilization for repeated laboratory use.

• Non-DIN EN ISO Size – Specially designed for large-volume glassware beyond standard ISO ranges.

Key Specifications

• Catalogue Number: 217118604

• Nominal Capacity: 10,000 mL

• Material: DURAN® Borosilicate Glass 3.3

• Neck Type: Narrow neck, beaded & reinforced rim

• Base Type: Flat bottom (no support ring required)

• Standards: Non-DIN EN ISO size (large capacity classification)

• Packaging: 1 unit per pack

• Autoclavable: Yes (~121 °C)

Applications

• Large-Scale Heating & Boiling – Ideal for labs working with bulk solutions.

• Distillation & Reaction Vessels – Suitable for chemical synthesis and process setups.

• Bulk Media or Reagent Preparation – Perfect for industrial, research, and teaching labs.

• Storage of Large Volumes – Reliable vessel for temporary storage of bulk liquids.