DURAN 217315406 Flat-Bottom Flask 1000 mL (Wide Neck Beaded Rim)
The DURAN 217315406 is a 1,000 mL flat-bottom flask with a wide neck and beaded rim, made of DURAN® borosilicate glass 3.3. Designed for general heating, liquid handling, and distillation applications, its flat base ensures the flask stands on flat surfaces without needing a support ring. The wide neck enhances access for pouring, filling solids or liquids, and eases cleaning. Uniform wall thickness allows better heat distribution and reduces thermal stress during heating. Sold in packs of 10 units.
Key Features & Benefits
Flat-base: stable placement without extra support.
Wide mouth: easier filling and interval cleaning.
Beaded rim: reinforcement around the neck to reduce damage and chipping.
Uniform wall thickness: better for heating applications; less prone to hot spots. Auto-clavable glass (Boro 3.3), suitable for repeated lab use.
Key Specifications
| Parameter | Value |
|---|---|
| Catalogue / Model Number | 217315406 |
| Capacity | 1,000 mL |
| Material | BOROSILICATE GLASS 3.3 |
| Neck Type / Finish | Wide neck with beaded rim |
| Base Type | Flat bottom |
| Pack Size | 10 flasks per pack |
| Base / Body Diameter | ~ 131 mm outer base diameter |
| Application | Heating, distillation, general liquid handling in lab settings |
| Supplied With | Without cap; non-ground joints (standard wide-neck flat-bottom design) |
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