DURAN® GL 45 High Temperature Silicone Cap Liner, PTFE coated
- Manufactured from PTFE coated silicone
- Free of “hydrocarbon-based plastics”, plasticizers, phthalates, etc.
- High temperature usage up to +260 °C for depyrogensation or hot air sterilization*
- Convenient: Thread fits all DURAN® GL 45 glass bottles from 100 mL to 20 Litres
- Secure sealing with USP <88> Class VI PTFE coated silicone cap liner
- Cap liner is supplied unmounted for easy processing and is replaceable
- Convenient opening and re-closing as the knurling provides extra grip for wet or gloved hands
- Protection: Electrically conductive material – ESD dissipation
- Versatile : The cap with central opening can be used with bromobutyl rubber stoppers or DURAN® GL 50 silicone septa
- Extra protection – Optional plastic 45 mm Over-cap Catalog Number: 292492901 seals the open topped (aperture) cap
Products

| Catalog No | Thread | Diameter d (mm) | Height h (mm) | Quantity | |
|---|---|---|---|---|---|
| 292490909 | GL 45 | 43.5 | 3 | - | Find a distributor |
Specifications
Product specifications are found on the product detail pages. Click on the product catalog number in the table above to view the individual product specifications.
Product Overview
Aluminium is an alternative material to the plastic used in most screw closures for laboratory bottles. The caps are available as a closed-top cap with a high temperature PTFE coated cap liner, or as an open-top cap for use with septum or stopper. Metal closures offer a wide range of temperature tolerances and have a high mechanical strength. Aluminium offers superior barrier qualities that protect against light, moisture, oxygen, and other gases.
Products
Products

| Catalog No | Thread | Diameter d (mm) | Height h (mm) | Quantity | |
|---|---|---|---|---|---|
| 292490909 | GL 45 | 43.5 | 3 | - | Find a distributor |
Specification
Specifications
Product specifications are found on the product detail pages. Click on the product catalog number in the table above to view the individual product specifications.
Product Overview
Product Overview
Aluminium is an alternative material to the plastic used in most screw closures for laboratory bottles. The caps are available as a closed-top cap with a high temperature PTFE coated cap liner, or as an open-top cap for use with septum or stopper. Metal closures offer a wide range of temperature tolerances and have a high mechanical strength. Aluminium offers superior barrier qualities that protect against light, moisture, oxygen, and other gases.
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