Glassware Catalog

Stoppers and Sleeves - Sigma-Aldrich Glassware Catalog


On this page:
Penny-head stoppersHex-head stoppersBall joint stoppers
Rigid PTFE sleevesPTFE sleeves


Penny-head stoppers

S.T. Joint
Catalog Number
S.T. Joint
Catalog Number
Hollow, ground-glass, closed at bottom
10/19
19/38
10/30
24/40
12/30
29/32
14/20
29/42
14/23
34/45
14/35
45/40
19/22
45/50
19/26
55/50

With hook for suspending items
14/20
24/40


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Hex-head stoppers

Ground-glass, hollow. Sits on bench top without rolling.

S.T. Joint
Catalog Number
S.T. Joint
Catalog Number
14/20
24/40
19/22
29/26

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Ball joint stoppers


Ball Joint
Ball
Catalog Number
Socket
Catalog Number
12/5
18/9
28/12
35/25
50/30
65/40


Hollow glass with ground joint and eargrips for ease of turning.

Ball Joint
Catalog Number
Ball Joint
Catalog Number
65/40
75/50


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Rigid PTFE sleeves


 

Robust, PTFE sleeve with substantial grip-ring for repeated use and ease of handling.

S.T. Joint
Catalog Number
S.T. Joint
Catalog Number
10/19
24/40
10/30
29/32
14/23
29/42
14/35
34/35
19/26
34/45
19/38
45/50
24/29
   



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PTFE sleeves

Extremely thin, accurately tapered, slip-on tube for ground-glass joints prevents seizing and galling.






S.T. Joint
Catalog Number
S.T. Joint
Catalog Number
7/25
34/45
10/30
40/50
12/30
45/50
14/35
50/50
19/38
55/50
24/40
60/50
29/42
 

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