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N 19 Septa Silicone blue transparent/PTFE white Hardness: 45° shore A Thickness: 1.3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702144
N 19 Septa Silicone blue transparent/PTFE white Hardness: 45° shore A Thickness: 1.3 mm pack of 100
Septa N 19 are only suitable for usage in PE push on caps N 20 (not suitable for aluminum crimp caps N 20)...
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£36.11 £41.50
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N 19 Septa, Butyl beige/PTFE gray Hardness: 55° shore A Thickness: 1.3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 70269
N 19 Septa, Butyl beige/PTFE gray Hardness: 55° shore A Thickness: 1.3 mm pack of 100
Septa N 19 are only suitable for usage in PE push on caps N 20 (not suitable for aluminum crimp caps N 20)...
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£23.93 £27.50
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N 19 Septa, Natural Rubber red-orange/TEF colorless Hardness: 45° shore A Thickness: 1.3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702904
N 19 Septa, Natural Rubber red-orange/TEF colorless Hardness: 45° shore A Thickness: 1.3 mm pack of 100
Septa N 19 are only suitable for usage in PE push on caps N 20 (not suitable for aluminum crimp caps N 20)...
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£21.32 £24.50
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N 20 Aluminium Center Tear Off Cap, gold Butyl dark gray/centrical PTFE-lamination gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 70233
N 20 Aluminium Center Tear Off Cap, gold Butyl dark gray/centrical PTFE-lamination gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Center tear off caps are crimp caps with tamper evidence. In order to be able to access and penetrate the septum, the middle cover needs to be removed..
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£48.72 £56.00
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N 20 Aluminium Center Tear Off Cap, silver pack of 100
Manufacturer: Macherey-Nagel Item Number: 70236.1
N 20 Aluminium Center Tear Off Cap, silver pack of 100
Center tear off caps are crimp caps with tamper evidence. In order to be able to access and penetrate the septum, the middle cover needs to be removed..
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£4.87 £5.60
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N 20 Aluminium Complete Tear Off Cap, silver Butyl dark gray/centrical PTFE-lamination gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 70235
N 20 Aluminium Complete Tear Off Cap, silver Butyl dark gray/centrical PTFE-lamination gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Complete tear off caps are crimp caps that can be removed without the need of a decapping tool by tearing off the middle cover down to the cap sides. ..
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£49.59 £57.00
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N 20 Aluminium Complete Tear Off Cap, silver pack of 100
Manufacturer: Macherey-Nagel Item Number: 702805
N 20 Aluminium Complete Tear Off Cap, silver pack of 100
Complete tear off caps are crimp caps that can be removed without the need of a decapping tool by tearing off the middle cover down to the cap sides...
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£5.48 £6.30
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N 20 Aluminium Complete Tear Off Cap, silver Silicone white/PTFE beige Hardness: 45° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702839
N 20 Aluminium Complete Tear Off Cap, silver Silicone white/PTFE beige Hardness: 45° shore A Thickness: 3 mm pack of 100
Complete tear off caps are crimp caps that can be removed without the need of a decapping tool by tearing off the middle cover down to the cap sides. ..
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£46.98 £54.00
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N 20 Aluminium crimp cap, gold, center hole pack of 100
Manufacturer: Macherey-Nagel Item Number: 702112
N 20 Aluminium crimp cap, gold, center hole pack of 100
Aluminum crimp cap for Headspace analysis in the low to medium temperature range. Often used in forensic labs in combination with Butyl stopper 702931..
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£4.79 £5.50
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N 20 Aluminium crimp cap, silver, center hole Bromobutyl stopper, gray Hardness: 50° shore A (unassembled) pack of 100
Manufacturer: Macherey-Nagel Item Number: 70237.2
N 20 Aluminium crimp cap, silver, center hole Bromobutyl stopper, gray Hardness: 50° shore A (unassembled) pack of 100
Often used in forensic labs for blood alcohol testing. Due to the missing PTFE lamination only a limited field of applications...
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£14.53 £16.70
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N 20 Aluminium crimp cap, silver, center hole Butyl dark gray/centrical PTFE-lamination gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 70234
N 20 Aluminium crimp cap, silver, center hole Butyl dark gray/centrical PTFE-lamination gray Hardness: 50° shore A Thickness: 3 mm pack of 100
These closures with molded Butyl/PTFE septa are only laminated with PTFE in the contact area with the sample. Thus the elastomeric Butyl can achieve o..
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£49.59 £57.00
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N 20 Aluminium crimp cap, silver, center hole Butyl dark gray/centrical PTFE-lamination gray high purity Hardness: 50° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 70234.10
N 20 Aluminium crimp cap, silver, center hole Butyl dark gray/centrical PTFE-lamination gray high purity Hardness: 50° shore A Thickness: 3 mm pack of 100
Similar product as 70234, however, with a higher analytical purity. These closures with molded Butyl/PTFE septa are only laminated with PTFE in the co..
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£46.98 £54.00
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N 20 Aluminium crimp cap, silver, center hole Butyl light gray/PTFE dark gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702775
N 20 Aluminium crimp cap, silver, center hole Butyl light gray/PTFE dark gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Topseller amongst the Butyl/PTFE closures with a good analytical purity. Equivalent closure to 70234.9, however, with a punched septa instead of a mol..
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£31.23 £35.90
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N 20 Aluminium crimp cap, silver, center hole Butyl red/PTFE gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702773
N 20 Aluminium crimp cap, silver, center hole Butyl red/PTFE gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Economic Butyl/PTFE closure with good analytical purity for usage in the low to medium temperature range (approx. up to 120 °C)...
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£30.80 £35.40
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N 20 Aluminium crimp cap, silver, center hole Moulded Septa Butyl/PTFE gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 70234.9
N 20 Aluminium crimp cap, silver, center hole Moulded Septa Butyl/PTFE gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Completely PTFE-laminated, molded Butyl/PTFE septum with a temperature resistance of -40 °C up to 120 °C and a good analytical purity...
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£42.63 £49.00
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N 20 Aluminium crimp cap, silver, center hole pack of 100
Manufacturer: Macherey-Nagel Item Number: 702804
N 20 Aluminium crimp cap, silver, center hole pack of 100
Aluminum crimp cap for Headspace analysis in the low to medium temperature range. Often used in forensic labs in combination with Butyl stopper 702931..
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£4.35 £5.00
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N 20 Aluminium crimp cap, silver, center hole Silicone blue transparent/centrical PTFE-lamination colorless Hardness: 45° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702340
N 20 Aluminium crimp cap, silver, center hole Silicone blue transparent/centrical PTFE-lamination colorless Hardness: 45° shore A Thickness: 3 mm pack of 100
These closures with a molded, high purity Silicone/PTFE septa are only laminated with PTFE in the contact area with the sample. Thus the elastomeric S..
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£42.63 £49.00
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N 20 Aluminium crimp cap, silver, center hole Silicone blue transparent/PTFE colorless Hardness: 45° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702093
N 20 Aluminium crimp cap, silver, center hole Silicone blue transparent/PTFE colorless Hardness: 45° shore A Thickness: 3 mm pack of 100
Soft to penetrate, high purity Silicone/PTFE closure for sensitive analysis. Can be used at very high temperatures. Aside from Headspace applications ..
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£45.24 £52.00
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N 20 Aluminium crimp cap, silver, center hole Silicone white / FEP-/Aluminium foil silver Hardness: 45° shore A Thickness: 3.2 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702145
N 20 Aluminium crimp cap, silver, center hole Silicone white / FEP-/Aluminium foil silver Hardness: 45° shore A Thickness: 3.2 mm pack of 100
Mainly used on PerkinElmer instruments. Very high temperature resistance...
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£80.91 £93.00
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N 20 Aluminium crimp cap, silver, center hole Silicone white / PTFE beige Hardness: 45° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702094
N 20 Aluminium crimp cap, silver, center hole Silicone white / PTFE beige Hardness: 45° shore A Thickness: 3 mm pack of 100
Soft to penetrate, high purity Silicone/PTFE closure for sensitive analysis with a good price-performance ratio. Can be used at very high temperatures..
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£43.50 £50.00
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N 20 Aluminium pressure release safety cap, silver, center hole Butyl dark gray/centrical PTFE-lamination gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702071
N 20 Aluminium pressure release safety cap, silver, center hole Butyl dark gray/centrical PTFE-lamination gray Hardness: 50° shore A Thickness: 3 mm pack of 100
These closures with molded Butyl/PTFE septa are only laminated with PTFE in the contact area with the sample. Thus the elastomeric Butyl can achieve o..
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£48.72 £56.00
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N 20 Aluminium pressure release safety cap, silver, center hole Butyl light gray/PTFE dark gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702829
N 20 Aluminium pressure release safety cap, silver, center hole Butyl light gray/PTFE dark gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Butyl/PTFE closures with a good analytical purity. Equivalent closure to 70234.8, however, with a punched septa instead of a molded one. Very good pri..
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£34.19 £39.30
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N 20 Aluminium pressure release safety cap, silver, center hole Moulded Septa Butyl/PTFE gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 70234.8
N 20 Aluminium pressure release safety cap, silver, center hole Moulded Septa Butyl/PTFE gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Completely PTFE-laminated, molded Butyl/PTFE septum with a temperature resistance of -40 °C up to 120 °C and a good analytical purity. The bridges of ..
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£46.98 £54.00
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N 20 Aluminium pressure release safety cap, silver, center hole pack of 100
Manufacturer: Macherey-Nagel Item Number: 702799
N 20 Aluminium pressure release safety cap, silver, center hole pack of 100
These safety caps are used in Headspace analysis in the high temperature range. The bridges of the cap's scorelines break open at an internal vial pre..
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£8.27 £9.50
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N 20 Aluminium pressure release safety cap, silver, center hole Silicone blue transparent/PTFE colorless Hardness: 45° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702927
N 20 Aluminium pressure release safety cap, silver, center hole Silicone blue transparent/PTFE colorless Hardness: 45° shore A Thickness: 3 mm pack of 100
Soft to penetrate, high purity Silicone/PTFE closure for sensitive analysis. Can be used at very high temperatures. The bridges of the cap's scoreline..
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£53.94 £62.00
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N 20 Aluminium pressure release safety cap, silver, center hole Silicone white/PTFE beige Hardness: 45° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702835
N 20 Aluminium pressure release safety cap, silver, center hole Silicone white/PTFE beige Hardness: 45° shore A Thickness: 3 mm pack of 100
Soft to penetrate, high purity Silicone/PTFE closure for sensitive analysis with a good price-performance ratio. Can be used at very high temperatures..
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£49.59 £57.00
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N 20 bimetal crimp cap, blue/silver, center hole Butyl light gray/PTFE dark gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702838
N 20 bimetal crimp cap, blue/silver, center hole Butyl light gray/PTFE dark gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Bi-metal crimp closures support transportation of the vial via magnet, as for e.g. in the CTC Combi PAL, the Shimadzu AOC 5000/6000 or the Gerstel aut..
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£39.06 £44.90
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N 20 bimetal crimp cap, blue/silver, center hole pack of 100
Manufacturer: Macherey-Nagel Item Number: 702833
N 20 bimetal crimp cap, blue/silver, center hole pack of 100
Bi-metal crimp closures support transportation of the vial via magnet, as for e.g. in the CTC Combi PAL, the Shimadzu AOC 5000/6000 or the Gerstel aut..
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£13.75 £15.80
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N 20 bimetal crimp cap, blue/silver, center hole Silicone blue transparent/centrical PTFE-lamination colorless Hardness: 45° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702341
N 20 bimetal crimp cap, blue/silver, center hole Silicone blue transparent/centrical PTFE-lamination colorless Hardness: 45° shore A Thickness: 3 mm pack of 100
Bi-metal crimp closures support transportation of the vial via magnet, as for e.g. in the CTC Combi PAL, the Shimadzu AOC 5000/6000 or the Gerstel aut..
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£53.94 £62.00
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N 20 bimetal crimp cap, blue/silver, center hole Silicone blue transparent/PTFE colorless Hardness: 45° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702834
N 20 bimetal crimp cap, blue/silver, center hole Silicone blue transparent/PTFE colorless Hardness: 45° shore A Thickness: 3 mm pack of 100
Bi-metal crimp closures support transportation of the vial via magnet, as for e.g. in the CTC Combi PAL, the Shimadzu AOC 5000/6000 or the Gerstel aut..
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£58.29 £67.00
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N 20 bimetal crimp cap, blue/silver, center hole Silicone white/Polyimide orange Hardness: 45° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702404
N 20 bimetal crimp cap, blue/silver, center hole Silicone white/Polyimide orange Hardness: 45° shore A Thickness: 3 mm pack of 100
Bi-metal crimp closures support transportation of the vial via magnet, as for e.g. in the CTC Combi PAL, the Shimadzu AOC 5000/6000 or the Gerstel aut..
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£108.75 £125.00
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N 20 bimetal crimp cap, blue/silver, center hole Silicone white/PTFE beige Hardness: 45° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702837
N 20 bimetal crimp cap, blue/silver, center hole Silicone white/PTFE beige Hardness: 45° shore A Thickness: 3 mm pack of 100
Bi-metal crimp closures support transportation of the vial via magnet, as for e.g. in the CTC Combi PAL, the Shimadzu AOC 5000/6000 or the Gerstel aut..
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£53.94 £62.00
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N 20 Magnetic crimp cap, silver, 8 mm center hole Butyl dark gray/centrical PTFE-lamination gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702928.9
N 20 Magnetic crimp cap, silver, 8 mm center hole Butyl dark gray/centrical PTFE-lamination gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Magnetic crimp closures support transportation of the vial via magnet, as for e.g. in the CTC Combi PAL, the Shimadzu AOC 5000/6000 or the Gerstel aut..
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£50.46 £58.00
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N 20 Magnetic crimp cap, silver, 8 mm center hole Butyl light gray/PTFE dark gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702928
N 20 Magnetic crimp cap, silver, 8 mm center hole Butyl light gray/PTFE dark gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Magnetic crimp closures support transportation of the vial via magnet, as for e.g. in the CTC Combi PAL, the Shimadzu AOC 5000/6000 or the Gerstel aut..
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£34.19 £39.30
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N 20 Magnetic crimp cap, silver, 8 mm center hole pack of 100
Manufacturer: Macherey-Nagel Item Number: 702808
N 20 Magnetic crimp cap, silver, 8 mm center hole pack of 100
Magnetic crimp closures support transportation of the vial via magnet, as for e.g. in the CTC Combi PAL, the Shimadzu AOC 5000/6000 or the Gerstel aut..
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£8.27 £9.50
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N 20 Magnetic crimp cap, silver, 8 mm center hole Silicone blue transparent/PTFE colorless Hardness: 45° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702929
N 20 Magnetic crimp cap, silver, 8 mm center hole Silicone blue transparent/PTFE colorless Hardness: 45° shore A Thickness: 3 mm pack of 100
Magnetic crimp closures support transportation of the vial via magnet, as for e.g. in the CTC Combi PAL, the Shimadzu AOC 5000/6000 or the Gerstel aut..
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£55.68 £64.00
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N 20 PE Cap for crimp neck vials with beveled HS crimp neck N 20 transparent, center hole pack of 100
Manufacturer: Macherey-Nagel Item Number: 70266
N 20 PE Cap for crimp neck vials with beveled HS crimp neck N 20 transparent, center hole pack of 100
To be used as a washer bottle or interim closure for all crimp neck vials N 20 with a beveled HS crimp neck...
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£7.83 £9.00
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N 20 PE Cap for crimp neck vials with beveled top N 20 transparent, center hole Butyl beige/PTFE gray Hardness: 55° shore A Thickness: 1.3 mm (unassembled) pack of 100
Manufacturer: Macherey-Nagel Item Number: 70242
N 20 PE Cap for crimp neck vials with beveled top N 20 transparent, center hole Butyl beige/PTFE gray Hardness: 55° shore A Thickness: 1.3 mm (unassembled) pack of 100
PE push on cap, for vials N 20 with beveled HS crimp neck, Polyethylene, transparent, center hole, Butyl/PTFE, beige/gray, 1.3 mm, 55° shore A, unasse..
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£30.62 £35.20
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N 20 PE Cap for crimp neck vials with beveled top N 20 transparent, center hole Natural Rubber red-orange/TEF colorless Hardness: 45° shore A Thickness: 1.3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702128
N 20 PE Cap for crimp neck vials with beveled top N 20 transparent, center hole Natural Rubber red-orange/TEF colorless Hardness: 45° shore A Thickness: 1.3 mm pack of 100
PE push on cap, for vials N 20 with beveled HS crimp neck, Polyethylene, transparent, center hole, Natural rubber/TEF, red-orange/colorless, 1.3 mm, 4..
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£28.28 £32.50
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N 20 PE Cap for crimp neck vials with flat DIN crimp neck N 20 transparent, center hole Butyl beige/PTFE gray Hardness: 55° shore A Thickness: 1.3 mm (unassembled) pack of 100
Manufacturer: Macherey-Nagel Item Number: 70240
N 20 PE Cap for crimp neck vials with flat DIN crimp neck N 20 transparent, center hole Butyl beige/PTFE gray Hardness: 55° shore A Thickness: 1.3 mm (unassembled) pack of 100
To be used as a washer bottle or interim closure for all crimp neck vials N 20 with a flat DIN crimp neck...
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£30.62 £35.20
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N 20 PE Cap for crimp neck vials with flat DIN crimp neck N 20 transparent, center hole Natural Rubber red-orange/TEF colorless Hardness: 45° shore A Thickness: 1.3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702129
N 20 PE Cap for crimp neck vials with flat DIN crimp neck N 20 transparent, center hole Natural Rubber red-orange/TEF colorless Hardness: 45° shore A Thickness: 1.3 mm pack of 100
To be used as a washer bottle or interim closure for all crimp neck vials N 20 with a flat DIN crimp neck...
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£28.28 £32.50
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N 20 PE Cap for crimp neck vials with flat DIN crimp neck N 20 transparent, center hole pack of 100
Manufacturer: Macherey-Nagel Item Number: 70267
N 20 PE Cap for crimp neck vials with flat DIN crimp neck N 20 transparent, center hole pack of 100
To be used as a washer bottle or interim closure for all crimp neck vials N 20 with a flat DIN crimp neck...
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£7.83 £9.00
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N 20 PP screw cap (bonded, 20-400), white, closed top Silicone white/PTFE blue Hardness: 55° shore A Thickness: 1.3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702116
N 20 PP screw cap (bonded, 20-400), white, closed top Silicone white/PTFE blue Hardness: 55° shore A Thickness: 1.3 mm pack of 100
Bonded closures with a firmly integrated Silicone/PTFE septa that cannot be removed. Silicone/PTFE offers highest analytical purity and a high tempera..
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£37.41 £43.00
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N 20 screw cap (bonded, 20-400), white, center hole Silicone white/PTFE beige Hardness: 45° shore A Thickness: 1.5 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702181
N 20 screw cap (bonded, 20-400), white, center hole Silicone white/PTFE beige Hardness: 45° shore A Thickness: 1.5 mm pack of 100
Bonded closures with a firmly integrated Silicone/PTFE septa that cannot be removed. Silicone/PTFE offers highest analytical purity and a high tempera..
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£57.42 £66.00
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N 20 septa Butyl dark gray/centrical PTFE-lamination gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702D20TB
N 20 septa Butyl dark gray/centrical PTFE-lamination gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Replacement septa are not offered for all cap types and sizes, as manual assembly is not recommendable due to contamination risk and possible wrong si..
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£43.50 £50.00
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N 20 septa Butyl light gray/PTFE dark gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702057
N 20 septa Butyl light gray/PTFE dark gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Replacement septa are not offered for all cap types and sizes, as manual assembly is not recommendable due to contamination risk and possible wrong si..
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£25.49 £29.30
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N 20 septa Butyl red/PTFE gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 70277
N 20 septa Butyl red/PTFE gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Replacement septa are not offered for all cap types and sizes, as manual assembly is not recommendable due to contamination risk and possible wrong si..
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£24.10 £27.70
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N 20 septa Moulded Septa Butyl/PTFE gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702101
N 20 septa Moulded Septa Butyl/PTFE gray Hardness: 50° shore A Thickness: 3 mm pack of 100
Replacement septa are not offered for all cap types and sizes, as manual assembly is not recommendable due to contamination risk and possible wrong si..
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£28.54 £32.80
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N 20 septa Silicone blue transparent/PTFE colorless Hardness: 45° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 702780
N 20 septa Silicone blue transparent/PTFE colorless Hardness: 45° shore A Thickness: 3 mm pack of 100
Replacement septa are not offered for all cap types and sizes, as manual assembly is not recommendable due to contamination risk and possible wrong si..
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£41.93 £48.20
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N 20 septa Silicone white/PTFE beige Hardness: 45° shore A Thickness: 3 mm pack of 100
Manufacturer: Macherey-Nagel Item Number: 70278
N 20 septa Silicone white/PTFE beige Hardness: 45° shore A Thickness: 3 mm pack of 100
Replacement septa are not offered for all cap types and sizes, as manual assembly is not recommendable due to contamination risk and possible wrong si..
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£39.93 £45.90
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N 20 stopper Bromobutyl, gray Hardness: 50° shore A pack of 100
Manufacturer: Macherey-Nagel Item Number: 702931.3
N 20 stopper Bromobutyl, gray Hardness: 50° shore A pack of 100
Often used in forensic labs for blood alcohol testing. Due to the missing PTFE lamination only limited usage in Headspace analysis...
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£10.01 £11.50
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