PYREX 1L Round Bottom Boiling Flask with Short Ring Neck – 4260-1L

The PYREX 1L Round Bottom Boiling Flask is a durable laboratory glass flask designed for heating, boiling, mixing and chemical preparations. Manufactured from high-quality borosilicate glass, it features a reinforced short ring neck for improved strength and secure rubber stopper fitting. Its round-bottom design supports uniform heating, making it suitable for routine laboratory and research applications. Key Features - 1L Capacity: Suitable for medium-volume laboratory heating and solution preparation. - Borosilicate Glass: Manufactured from PYREX No. 7740 glass for excellent chemical durability. - Round Bottom: Promotes even heat distribution during laboratory heating. - Short Ring Neck: Precisely tooled for uniform rubber stopper fitting. - Reinforced Rim: Provides improved mechanical strength. - Stopper Compatibility: Accepts a No. 8 rubber stopper. - Thermal Resistance: Normal working temperature of 230°C. - Chemical Durability: Resistant to many commonly used laboratory chemicals. - Reusable Design: Suitable for repeated laboratory operations. - Versatile Applications: Suitable for boiling, solution preparation and routine laboratory washing applications. Parameter Specification Brand PYREX Manufacturer Corning Product Code 4260-1L Product Type Laboratory Boiling Flask Nominal Capacity 1000mL (1 Litre) Material No. 7740 Borosilicate Glass Flask Shape Spherical Bottom Type Round Bottom Neck Style Short Ring Neck Mouth Design Reinforced Ring Opening Rubber Stopper Size No. 8 Stopper Included No Outside Diameter Approximately 130mm Overall Height Approximately 185mm Normal Working Temperature 230°C Thermal Resistance Thermal Shock Resistant Chemical Resistance Excellent Chemical Durability Glass Colour Clear / Transparent Reusability Reusable Quantity per Pack 6 Pieces Quantity per Case 12 Pieces Applications Laboratory Boiling, Heating, Mixing and Solution Preparation