Product Description
Sealing the full length of a ground joint gives the most secure glass-to-glass closure, and these stoppers are sized to do exactly that across a wide range of standard taper sizes. They suit flasks, adapters and storage vessels alike, and clean up easily for reuse.
This listing is for Kimble catalog number 851000-4550: Full Length Standard Taper Glass Stoppers, 45/50 mm. Made from low-extractable borosilicate glass meeting USP Type I and ASTM E438, Type I, Class A, sizes 10/30 through 19/38 are solid and 24/40 and larger are hollow. Joint sizes range from 10/30 to 45/50, covering most full length joints found on round bottom flasks, adapters and storage glassware. LIGHT LABS ships genuine DWK Life Sciences products with knowledgeable support from our Englewood, Colorado team.
Key Features
- Full length fit – Seals along the entire ground joint
- Wide size range – 10/30 through 45/50
- Solid and hollow – Solid to 19/38, hollow from 24/40
- Low-extractable glass – USP Type I borosilicate
Specifications
| Catalog Number | 851000-4550 |
| Brand | Kimble (DWK Life Sciences) |
| Description | Full Length Standard Taper Glass Stoppers, 45/50 mm |
| Sold As | Each |
| Material | Borosilicate glass 3.3, low extractable |
| Glass Type | USP Type I |
| Standard | ASTM E438, Type I, Class A |
| Construction | Solid 10/30 to 19/38, hollow 24/40 and larger |
Available Options
- 851000-1030 – Full Length Standard Taper Glass Stoppers, 10/30 mm
- 851000-1435 – Full Length Standard Taper Glass Stoppers, 14/35 mm
- 851000-1938 – Full Length Standard Taper Glass Stoppers, 19/38 mm
- 851000-2440 – Full Length Standard Taper Glass Stoppers, 24/40 mm
- 851000-2942 – Full Length Standard Taper Glass Stoppers, 29/42 mm
- 851000-3445 – Full Length Standard Taper Glass Stoppers, 34/45 mm
Applications
- Round bottom flask closures
- Distillation and synthesis
- Reagent storage
- Replacement stoppers
