PYREX 250mL Narrow Mouth Erlenmeyer Flask with Standard Taper Glass Stopper

The PYREX 250mL Narrow Mouth Erlenmeyer Flask with Standard Taper Glass Stopper is high-quality laboratory glassware manufactured from durable borosilicate glass. Designed for chemical mixing, solution preparation, sample storage, and laboratory research, it features a precision-fitted No. 27 PYREX glass stopper for secure closure. Its uniform wall thickness provides mechanical strength and thermal shock resistance, while graduated markings enable approximate liquid volume measurement. Key Features - Manufactured from high-quality PYREX borosilicate glass. - 250mL capacity suitable for routine laboratory applications. - Narrow-mouth design helps minimize splashing during mixing. - Supplied with a No. 27 PYREX standard taper glass stopper. - Precision-fitted stopper provides secure closure for laboratory samples. - Graduated markings from 50mL to 200mL. - 25mL graduation intervals for approximate volume measurement. - Uniform wall thickness provides mechanical strength and thermal shock resistance. - Conical design supports efficient swirling and liquid mixing. - Reusable construction suitable for chemical, pharmaceutical, educational, and research laboratories. Specification Details Brand PYREX Manufacturer Corning Product Code 5020-250 Product Type Narrow Mouth Erlenmeyer Flask Capacity 250mL Material Borosilicate Glass Flask Style Erlenmeyer Flask Shape Conical Neck Style Narrow Mouth Closure Type Standard Taper Glass Stopper Stopper Number No. 27 Stopper Material PYREX Glass Graduation Range 50–200mL Graduation Interval 25mL Graduation Type Approximate Volume Height Approximately 171mm Outer Diameter Approximately 81mm Base Type Flat Bottom Wall Construction Uniform Wall Thickness Thermal Resistance Thermal Shock Resistant Sterility Non-Sterile Reusable Yes Quantity per Pack 6 Pieces Quantity per Case 12 Pieces Replacement Stopper PYREX Catalogue No. 7650 Series Applications Chemical Mixing, Sample Storage, Solution Preparation and Laboratory Research