PPScrewSealsND8,样品瓶盖(隔垫)

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

Natural Rubber/TEF, RedRubber/PTFE and Butyl/PTFE 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

Further Screw Seals ND8 with closed/open top resp. with white Caps are available upon request!
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

Further Screw Seals ND8 with closed/open top resp. with white Caps are available upon request! Packaging Unit: 100 pcs. per PE-Bag

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