DWK Duran Glass Stopper, NS 12/21, Octagonal, Solid

The DWK Duran Glass Stopper, NS 12/21, Octagonal, Solid is a laboratory product used for sealing flasks, separatory funnels, and reagent bottles in laboratory settings. Its documented configuration includes material: Borosilicate glass 3.3 for superior durability and thermal resistance, and design: Solid stopper with octagonal head for enhanced grip and handling. It is identified by manufacturer part number 216240401, LabFriend SKU 7.021 318. It should not be selected for applications outside the manufacturer's stated limits or where an unlisted compatibility is required.

Yes. The DWK Duran Glass Stopper, NS 12/21, Octagonal, Solid is suitable for sealing flasks, separatory funnels, and reagent bottles in laboratory settings. Its suitability is determined by material: Borosilicate glass 3.3 for superior durability and thermal resistance, design: Solid stopper with octagonal head for enhanced grip and handling, and nominal size (ns): 12/21, compatible with standard ground joints. It should not be selected for applications outside the manufacturer's stated limits or where an unlisted compatibility is required. Before selection, confirm that the sample, process, vessel or instrument conditions match the published DWK specification.

The most important specifications of the DWK Duran Glass Stopper, NS 12/21, Octagonal, Solid include material: Borosilicate glass 3.3 for superior durability and thermal resistance, design: Solid stopper with octagonal head for enhanced grip and handling, and nominal size (ns): 12/21, compatible with standard ground joints. The listed item is manufacturer part number 216240401, LabFriend SKU 7.021 318. It should not be selected for applications outside the manufacturer's stated limits or where an unlisted compatibility is required. Specifications not stated in the product description should be confirmed before purchase rather than assumed from a related model.

The supplied description for the DWK Duran Glass Stopper, NS 12/21, Octagonal, Solid does not confirm a complete compatibility or accessory list. Confirm the stated dimensions, material, operating range, interface and any accessories or consumables not explicitly included. Do not assume compatibility with another model solely because the products appear similar; verify the exact DWK model and manufacturer part number 216240401, LabFriend SKU 7.021 318 before purchase.

The DWK Duran Glass Stopper, NS 12/21, Octagonal, Solid differs from the DWK Duran Hexagonal Stopper NS 12/21 Pointed, DG Ground in the documented material (Borosilicate glass 3.3 for superior durability and thermal resistance versus Duran glass for durability and chemical resistance), design (Solid stopper with octagonal head for enhanced grip and handling versus Pointed, DG ground for a secure, airtight seal). Both are DWK products in the same general product family, but their capacities, ranges or configurations should not be treated as interchangeable. Select the model whose published limits match the application and confirm accessory or connection differences before ordering.