| Cat. No. | Thread | Sealing of closure | Temperature resistance | PK | |
|---|---|---|---|---|---|
| 9209070 | GL 14 | Silicone, PTFE coated | 250 °C | 1 | |
| 9209071 | GL 18 | Silicone, PTFE coated | 250 °C | 1 | |
| 9209072 | GL 25 | Silicone, PTFE coated | 250 °C | 1 | |
| 9209073 | GL 32 | Silicone, PTFE coated | 250 °C | 1 | |
| 9209074 | GL 45 | Silicone, PTFE coated | 250 °C | 1 |
With PTFE / silicone seal made of PPS (polyphenylene sulphide). With PTFE / silicone seals having a particularly high level of mechanical resistance, even in temperatures up to 250°C. The non-slip, knurled outer surface ensures the screw cap can be closed securely and opened easily. The closure incorporates a PTFE-faced silicone seal wad and the substance in the container only comes in contact with PTFE. The silicone wad levels out any unevenness in the container neck.