lab consumables & labware
113
STOPPERS
“rubber” - “drilled”
STOPPERS
“cellulose”
STOPPERS -
“silicone”
“turn - over flange”
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.
The drilled hole offers labour and time
saving applications.
Manufactured from additive free
autoclavable, air permeable, actively
breathing best quality cellulose.
Provide excellent sealing for
microbiological samples in tissue
culture tubes, flasks etc.
Also offers multiple advantages such
as economical price, labour and time
saving applications and perfectly tight
fitting.
Attached table indicates 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.
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.
catalogue
number
051.21.001
051.21.002
051.21.003
051.21.004
051.21.005
051.21.006
051.21.007
051.21.008
051.21.009
051.21.010
bottom
Ømm
hole
Ømm
top
Ømm
10,5
12,5
14,0
17,0
18,0
21,0
23,0
26,0
29,0
31,0
3,0
3,0
3,0
4,0
4,0
5,0
5,0
6,0
6,0
7,0
14,5
16,5
18,0
22,0
24,0
27,0
29,0
32,0
35,0
38,0
pack
quantity
1 piece
1 piece
1 piece
1 piece
1 piece
1 piece
1 piece
1 piece
1 piece
1 piece
catalogue
number
051.24.001
051.24.002
051.24.003
051.24.004
051.24.005
051.24.006
051.24.007
051.24.008
051.24.009
bottom
Ømm
height
mm
top
Ømm
7,5
9,0
11,0
11,5
12,5
15,5
15,5
20,0
24,0
30,0
30,0
32,0
40,0
40,0
40,0
45,0
50,0
55,0
12,5
12,5
15,5
16,5
17,0
20,0
25,0
26,5
35,0
pack
quantity
10 pcs.
10 pcs.
10 pcs.
10 pcs.
10 pcs.
10 pcs.
10 pcs.
10 pcs.
10 pcs.
diameter
narrow end
8,02 mm
10,50 mm
12,17 mm
16,01 mm
20,95 mm
26,12 mm
30,77 mm
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
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
diameter
wide end
10,00 mm
12,50 mm
14,50 mm
18,80 mm
24,00 mm
29,20 mm
34,50 mm