Product Description
Phenolic caps hold their shape and torque, which makes them a long-standing favorite for sealing glass vials and bottles in the lab. This range spans many thread sizes and liners so each sample can be closed with the seal best suited to its chemistry.
This listing is for Wheaton catalog number W240824: Black Phenolic Screw Cap, PTFE-Faced Rubber Liner, 22-400, Case of 100. Caps are solid top black phenolic. Liners include nontoxic white rubber for cell culture work, foil-faced pulp for organic solvents, LDPE for water and standards, PTFE-faced 14B rubber for an inert seal, bonded PTFE/silicone for volatile and corrosive chemicals, and Poly-Seal cone liners for torque retention. Testing a liner with your sample before use is recommended. LIGHT LABS supplies the complete DWK Life Sciences line, including Kimble, Wheaton and DURAN labware.
Key Features
- Rigid phenolic – Holds torque for dependable sealing.
- Rubber liners – Nontoxic white rubber suits cell culture.
- PTFE-faced options – Provide an inert surface facing the sample.
- Poly-Seal cone liner – Strong torque retention and sealing.
- Foil liners – Resist hydrocarbons, oils, ketones and alcohols.
- Broad thread range – Finishes from 8-425 to 58-400.
Specifications
| Catalog Number | W240824 |
| Brand | Wheaton (DWK Life Sciences) |
| Description | Black Phenolic Screw Cap, PTFE-Faced Rubber Liner, 22-400 |
| Sold As | Case of 100 |
| Material | Phenolic |
| Color | Black |
| Style | Solid top |
| Thread | 8-425 to 58-400 |
| Liners | White rubber; PTFE-faced 14B rubber; foil-faced pulp; LDPE; PE cone (Poly-Seal); bonded PTFE/silicone; linerless |
| Autoclavable | Depends on liner |
Available Options
- 239249 – Black Phenolic Screw Cap, PE Cone Liner, 13-425, Case of 144
- 239250 – Black Phenolic Screw Cap, PE Cone Liner, 15-425, Case of 144
- 239251 – Black Phenolic Screw Cap, PE Cone Liner, 18-400, Case of 144
- 239253 – Black Phenolic Screw Cap, PE Cone Liner, 20-400, Case of 144
- 239255 – Black Phenolic Screw Cap, PE Cone Liner, 22-400, Case of 144
- 239257 – Black Phenolic Screw Cap, PE Cone Liner, 24-400, Case of 144
- 239259 – Black Phenolic Screw Cap, PE Cone Liner, 28-400, Case of 144
- 239260 – Black Phenolic Screw Cap, PE Cone Liner, 33-400, Case of 144
- 239451 – Black Phenolic Screw Cap, PE Cone Liner, 18-400, Case of 6,500
- 239853 – Black Phenolic Screw Cap, Linerless, 22-350, Case of 500
- 240080 – Black Phenolic Screw Cap, Polyethylene (LDPE) Liner, 33-430, Case of 200
- 240081 – Black Phenolic Screw Cap, Polyethylene (LDPE) Liner, 38-430, Case of 200
- 240119 – Black Phenolic Screw Cap, PE Cone Liner, 28-400, Case of 100
- 240121 – Black Phenolic Screw Cap, PE Cone Liner, 33-400, Case of 100
Applications
- Sample vial and bottle closures
- Cell culture vessels
- Volatile solvent storage
- Analytical standards and reagents
