PYREX® 4000mL Heavy Wall Borosilicate Glass Replacement Resin Reaction Kettle Bottom – 6947-4LBO

The PYREX® 4000mL Replacement Resin Reaction Kettle Bottom is a heavy-wall borosilicate glass laboratory vessel designed to replace the lower section of the Corning PYREX® 6947-4L resin reaction kettle. Manufactured from PYREX® borosilicate glass, it features a cylindrical reaction chamber, wide-mouth opening, and precision-ground upper flange for compatibility with the corresponding four-neck reaction kettle cover. Its 4L capacity makes it suitable for organic synthesis, resin preparation, polymer research, chemical processing, and pharmaceutical laboratory applications. Key Features & Specifications - 4000mL Capacity: Suitable for laboratory-scale resin preparation and chemical reactions. - Replacement Bottom Only: Supplied without the four-neck glass cover. - PYREX® Borosilicate Glass Code 7740: Provides chemical resistance and thermal stability. - Heavy-Wall Construction: Designed for durability during laboratory operations. - Mould-Blown Cylindrical Design: Lower vessel construction offers resistance to mechanical breakage. - Precision-Ground Top Flange: Designed to mate with a compatible PYREX® reaction kettle cover. - 140mm Outer Diameter: Approximately 5.5 inches. - 340mm Overall Height: Approximately 13.4 inches. - Wide-Mouth Opening: Facilitates access, cleaning, and reaction equipment assembly. - Compatible with PYREX® 6947-4L: Direct replacement for the complete 4L reaction kettle. - Compatible Replacement Cover: Corning 6947-2LCO, sold separately. - Heating Mantle Compatible: Designed for use as part of an appropriately assembled heating mantle system. - Reusable Construction: Suitable for repeated laboratory operations with proper handling. - Manufacturer Packaging: Four replacement vessels per pack and case. Specification Details Brand PYREX® Manufacturer Corning Product Number 6947-4LBO Supplier Reference 401491 Product Type Replacement Resin Reaction Kettle Bottom Capacity 4000mL (4L) Material Borosilicate Glass Glass Code 7740 Flask Style Reaction Vessel Shape Cylindrical Wall Construction Heavy Wall Manufacturing Method Mould-Blown Outer Diameter Approximately 140mm Overall Height Approximately 340mm Neck Design Wide Mouth Top Finish Precision-Ground Flange Cover Included No Stopper Included No Compatible Complete Kettle PYREX® 6947-4L Compatible Replacement Cover PYREX® 6947-2LCO Heating Method Compatible Heating Mantle Only Reusable Yes Manufacturer Quantity per Pack 4 Pieces Manufacturer Quantity per Case 4 Pieces