PPScrewSealsND8
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PP Screw Seals ND8 .Ready to use combination seals; no time-consuming and “tricky” .assembly .Available with
耗材描述
| PP Screw Seals ND8 .Ready to use combination seals; no time-consuming and “tricky” .assembly .Available with black or white screw caps with 8-425 thread .Available as closed top screw seals or with centre hole .Broad variety of different septa materials for almost all applications Now available either with Natural Rubber or RedRubber as cost-effective seals |  |
* Temperature resistant from -40 °C up to 120 °C for NR/TEF + Butyl/PTFE resp. up to 110°C for RR/PTFE
* Natural Rubber is ideal for multiple injections due to high resealability, but not as easy to penetrate than RR/PTFE
* Butyl as a synthetic rubber has good chemical properties (cleanliness)
* Standard, moderately priced seals for GC and HPLC
* RR/PTFE has a better purity than NR/TEF, is softer and has less fragmentation,
but doesn´t offer the outstanding resealability as NR/TEF
| Art. No. | Description Cap | Septa Material | Durometer | Thickn. |
| 08 15 0460 | Polypropylene Screw Cap black, 5.5mm centre hole | Nat. Rubber red-orange/TEF transparent | 60° shore A | 1.3mm |
| 08 15 1637 | Polypropylene Screw Cap black, 5.5mm centre hole | Butyl red/PTFE grey | 55° shore A | 1.3mm |
| 08 15 0654 | Polypropylene Screw Cap black, closed top | Nat. Rubber red-orange/TEF transparent | 60° shore A | 1.3mm |
| 08 15 1653 | Polypropylene Screw Cap black, closed top | Butyl red/PTFE grey | 55° shore A | 1.3mm |
| 08 15 1965 | Polypropylene Screw Cap black, 5.5mm centre hole | RedRubber/PTFE beige | 45° shore A | 1.0mm |
Packaging Unit: 100 pcs. per PE-Bag
Silicone/PTFE Seals
* Temperature resistant from -60 °C up to 200 °C
* Much cleaner than Natural Rubber, RedRubber or Butyl
* Preferably only for single injections due to low resealability properties
* Silicone liners with PTFE on both sides for less coring
* Different hardnesses (durometers) to meet requirements of the various types of needles regarding penetration
* The special, slitted liner for VWR (Merck®)/Hitachi is only available unassembled, as the diameter with the most optimal valve effect does not achieve any press-fit in the cap. Enlargement of the diameter is only possible with negative effects on the building up of vacuums in the vial
| Art.No. | Durometer | Thickn. | ||
| 08 15 0293 | Polypropylene Screw Cap black, 5.5mm centre hole | Silicone white/PTFE red  | 45° shore A | 1.3mm |
| 08 15 0427 | Polypropylene Screw Cap black, 5.5mm centre hole | Silicone cream/PTFE red | 55° shore A | 1.5mm |
| 08 15 0886 | Polypropylene Screw Cap black, 5.5mm centre hole | Silicone dark blue/PTFE white | 45° shore A | 1.3mm |
| 08 15 0709 | Polypropylene Screw Cap black, 5.5mm centre hole | Silicone blue transparent/PTFE white | 45° shore A | 1.3mm |
| 08 15 0294 | Polypropylene Screw Cap black, 5.5mm centre hole | PTFE red/Silicone white/PTFE red | 45° shore A | 1.0mm |
| 08 15 1040 | Polypropylene Screw Cap black, closed top | Silicone white/PTFE red | 45° shore A | 1.3mm |
| 08 15 1192 | Polypropylene Screw Cap black, closed top | Silicone cream/PTFE red | 55° shore A | 1.5mm |
| 08 15 1449 | Polypropylene Screw Cap black, 5.5mm centre hole | Silicone white/PTFE red, with slit | 45° shore A | 1.3mm |
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