ADAMS & CHITTENDEN
SCIENTIFIC GLASS

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Round Bottom Flasks

These are the nominal volumes and respective diameters for standard glass spheres. The really little ones aren't exactly stock items; they are listed just for reference. There are small variations depending on the manufacturer; some are specified as "heavy wall", with larger outside diameters.
We receive them usually as blanks, that is, without finished necks, as shown in the photo, and add to them as required.
Designing your glass parts around standard sizes can make a remarkable difference in your glassware cost.

Vol, ml Diam, mm Diam, in.
5 25 1.0
10 31 1.2
15 35 1.4
20 38 1.5
25 42 1.7
50 48 1.9
100 60 2.4
125 65 2.6
Vol, ml Diam, mm Diam, in.
200 76 3.0
250 83 3.3
300 87 3.4
500 102 4.0
1000 130 5.1
2000 161 6.3
3000 185 7.3
5000 221 8.7
Vol, ml Diam, mm Diam, in.
6000 236 9.3
10000 279 11.0
12000 295 11.6
20000 345 13.6
22000 350 13.8
50000 457 18.0
72000 520 20.5
100000 610 24.0

 

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