lab consumables & labware
STOPPERS “rubber”
STOPPERS “silicone”
STOPPERS “cork”
STOPPERS - “turn - over flange” Manufactured from chemically inert, autoclavable, best quality natural silicone. Guarantees excellent chemical and temperature resistance between -60°C to +170°C. They provide perfect tight sealing even with poorly finished rims preventing accidental openings. Offers optional sealing both from inside or outside of the tube wall. For sampling the upper septum can be easily punctured. Flexible body material reseales.
Manufactured from additive free, best quality natural rubber according to DIN 12871 standard with durometer 40 A. Guarantees excellent chemical and temperature resistance between -25°C to +70°C.
Manufactured from chemically inert, autoclavable, best quality natural silicone according to DIN 12871 standard with durometer 50 A. Guarantees excellent chemi- cal and temperature resistance between -60°C to +170°C.
Manufactured from non- porous, additive free, best quality natural cork according to DIN 12871 standard dimensions. Offers multi advantages with their light weight yet robust construction. Can be easily drilled.
bottom Ø mm
top Ø mm
height mm 15,0 20,0 20,0 20,0 20,0 20,0 25,0 30,0 30,0 30,0 30,0 30,0 35,0 40,0 40,0 40,0 45,0 45,0 50,0 55,0 60,0 65,0
stoppers rubber 051.20.001 051.20.002 051.20.003 051.20.004 051.20.005 051.20.006 051.20.007 051.20.008 051.20.009 051.20.010 051.20.011 051.20.012 051.20.013 051.20.014 051.20.015 051.20.016 051.20.017 051.20.018 051.20.019 051.20.020 051.20.021 051.20.022
stoppers silicone 051.22.001 051.22.002 051.22.003 051.22.004 051.22.005 051.22.006 051.22.007 051.22.008 051.22.009 051.22.010 051.22.011 051.22.012 051.22.013 051.22.014 051.22.015 051.22.016 051.22.017 051.22.018 051.22.019 051.22.020 051.22.021 051.22.022
pack quantity
stoppers cork 051.23.001 051.23.002 051.23.003 051.23.004 051.23.005 051.23.006 051.23.007 051.23.008 051.23.009 051.23.010 051.23.011 051.23.012 051.23.013 051.23.014 051.23.015 051.23.016 051.23.017 051.23.018 051.23.019 051.23.020 051.23.021 051.23.022
pack quantity
3,5 5,0 8,0
6,5 9,0
10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 6 pcs. 6 pcs. 6 pcs. 6 pcs. 6 pcs. 3 pcs. 3 pcs. 3 pcs.
10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs. 10 pcs.
12,0 14,5 16,5 18,0 22,0 24,0 27,0 29,0 32,0 35,0 38,0 44,0 49,0 55,0 59,5 65,0 70,0 75,5 83,0 92,0
10,5 12,5 14,0 17,0 18,0 21,0 23,0 26,0 29,0 31,0 36,0 41,0 47,0 50,5 56,0 60,0 64,5 71,0 79,0
catalogue number 051.26.001 051.26.002 051.26.003 051.26.004 051.26.005 051.26.006 051.26.007 051.26.008
effective diameter 7,1 mm 10,2 mm 12,7 mm 14,9 mm 15,9 mm 19,4 mm 23,7 mm 30,7 mm
pack quantity 10 pieces 10 pieces 10 pieces 10 pieces 10 pieces 10 pieces 10 pieces 10 pieces
how to select proper size stopper?
NS size
total height
diameter narrow end 8,02 mm 10,50 mm 12,17 mm 16,01 mm 20,95 mm 26,12 mm 30,77 mm
diameter wide end 10,00 mm 12,50 mm 14,50 mm 18,80 mm 24,00 mm 29,20 mm 34,50 mm
Attached technical dimensions of NS joints. Please examine the related NS size and select the right stopper from the catalogue list. Please pay attention to select a larger stopper for perfect closure of the joint. table indicates
10/19 12/21 14/23 19/26 24/29 29/32 34/35
19,00 mm 21,00 mm 23,00 mm 26,00 mm 29,00 mm 32,00 mm 35,00 mm
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