CAPS, CLOSURES, SEPTA
55
Silicone Stoppers / Pluro Stoppers / Rubber / Glass
Plug-Type Rubber Sleeve Stoppers Uses include outgassing NMR tubes, pressure venting or adding reactants via syringe.
Silicone Stoppers with Holes General purpose single-hole silicone rubber stoppers.
• • •
Steam autoclavable
•
Hollow, plug-type stopper fits into the neck of the glassware apparatus Sleeve extension fits over the neck for a secure seal Diaphragm can be punctured with a syringe needle
Opaque yellowish-white color
Stoppers are manufactured from pure silicone rubber
• •
Part Number 953715-0501 953715-0801 953763-0801 953763-0000
Stopper Number
Hole Size (in)
Case Qty
• Series 774261 may be used at up to 125 °C for up to 8 hours
5 8 8 8
0.375 0.375
1 1 1 5
Part Number 774250-0007 774261-0008
Stopper Fits 7-8 mm OD 9-10 mm OD
Color
Case Qty
0.5625 0.5625
Red
50 50 50 50 50 50
White White
774261-0014 Standard Taper 14/20
774250-0016
16-17 mm OD
Red
774261-0019 Standard Taper 19/22 774261-0024 Standard Taper 24/40
White White
Silicone Stoppers These silicone stoppers are used in centrifugal separators and gas sampling tubes.
• •
Available in blind-hole and full-hole Blind hole stopper features easy syringe penetration
Medium Length Standard Taper Glass Stopper Stoppers are used with laboratory glassware such as flasks, mixing cylinders and separatory funnels.
Part Number Stopper OD (mm)
Style
Case Qty
774200-0022 774200-0023
6 6
Blind hole Full hole
12 12
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Sizes Standard Taper 10/18 through Standard Taper 19/22 are solid Sizes Standard Taper 24/25 and larger are hollow Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
• •
Part Number 850500-1018 850505-1410 850500-1420 850500-1922 850500-2425 850500-2926
Standard Taper Joints
Case Qty
Pluro Stopper Set This autoclavable set of neoprene rubber adapters is designed to fit Buchner and fritted glass funnels.
10/18 14/10 14/20 19/22 24/25 29/26
1 1 1 1 1 1
•
Set of seven Pluro stoppers, sizes 1-7, for filter funnels Can be used singly or nested with adjacent sizes Eliminates the need for boring of special size holes in rubber stoppers Reduces the risks associated with insertion and removal of glass stems through rubber stoppers
• •
Full Length Standard Taper Glass Stopper Stoppers are used with laboratory glassware such as flasks and separatory funnels.
•
OD Bottom (mm)
ID Bottom (mm)
•
Sizes Standard Taper 10/30 through Standard Taper 19/38 are solid Sizes Standard Taper 24/40 and larger are hollow Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
OD Top (mm)
ID Top (mm)
Height (mm)
Size
Wall (mm)
• •
1 2 3 4 5 6 7
21 27 37 46 58 69 86
11 16 22 29 38 45 57
17 22 31 39 50 60 75
7
21 21 25 29 35 40 45
2
11 16 22 30 36 46
2.5
3
Part Number 851000-1030 851000-1435 851000-1938 851000-2440 851000-2942 851000-3445 851000-4550
Standard Taper Joints
Case Qty
3.5
10/30 14/35 19/38 24/40 29/42 34/45 45/50
1 1 1 1 1 1 1
4
4.5 5.5
Part Number 852050-0070
Case Qty
7
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