PYREX 250mL Narrow Mouth Erlenmeyer Flask with Heavy Duty Rim

The PYREX 250mL Narrow Mouth Erlenmeyer Flask with Heavy Duty Rim is a premium borosilicate glass laboratory flask designed for liquid mixing, solution preparation, chemical reactions, heating and general laboratory applications. Its reinforced heavy-duty rim helps minimise chipping, while its uniform wall thickness provides excellent mechanical strength and resistance to thermal shock. Featuring a narrow mouth, stable flat bottom, durable white enamel graduations and an extra-large marking area for sample identification, this flask provides reliable performance in pharmaceutical laboratories, chemical industries, research institutions and educational laboratories. Its reusable construction makes it suitable for routine laboratory procedures. Key Features - 250mL Capacity: Ideal for liquid mixing, chemical reactions and solution preparation. - Heavy Duty Rim: Reinforced rim helps minimise chipping and breakage during laboratory handling. - Narrow Mouth Design: Supports controlled pouring and reduces splashing. - Borosilicate Glass Construction: Provides excellent chemical resistance and thermal stability. - Uniform Wall Thickness: Offers a balance of mechanical strength and thermal shock resistance. - Graduated Markings: Durable white enamel graduations ranging from 50mL to 200mL. - 25mL Graduation Interval: Allows approximate liquid volume measurement. - Flat Bottom Design: Provides stability on laboratory work surfaces. - Extra-Large Marking Area: Convenient for sample identification and labelling. - Stopper Compatibility: Accommodates a No. 6 rubber stopper. - Reusable Construction: Designed for repeated laboratory applications. Specification Details Brand PYREX Manufacturer Corning Incorporated Product Code 4980-250 Product Type Narrow Mouth Erlenmeyer Flask Capacity 250mL Material Borosilicate Glass 3.3 Flask Shape Conical (Erlenmeyer) Bottom Design Flat Bottom Neck Style Narrow Mouth Top Style Heavy Duty Reinforced Rim Graduation Range 50–200mL Graduation Interval 25mL Graduation Colour White Enamel Approximate Height 132mm Approximate Outer Diameter 82mm Glass Colour Clear Rubber Stopper Size No. 6 Stopper Included No Sterility Non-Sterile Reusable Yes Quantity per Pack 12 Pieces Quantity per Case 48 Pieces Applications Mixing, Heating, Solution Preparation and Laboratory Research