02 BOILING FLASKS AND GENERAL LABORATORY GLASSWARE
DURAN® Round Bottom Flask Narrow Neck
Uniform wall thickness distribution makes these flasks ideal for heating applications. The geometry permits very uniform heating. Flasks with a neck diameter of 65mm or more have a reinforced rim.
with beaded rim
Cat. No.
Remark
Pack Unit
Capacity (mL)
d (OD) (mm)
d 1 (OD) (mm)
h (mm)
217211706 217212402 217213604 217214403 217215408 217216404 217216807 217217109 217217306 217217709 217218602 217218705
50 51 100 64 250 85 500 105 1000 131 2000 166 3000 185 4000 207 5000 223 6000 236 10000 279 12000 295
26 26 34 34 42 42 50 52 50 51 65 65
95
10 10 10 10 10 10
110 144 168 200 250 260 290 305 355 380 380
d 1
h
Non-DIN ISO size. Non-DIN ISO size.
500 ml Made in Germany
SCHO
DURAN
1 1 1 1 1 1
Non-DIN ISO size. Non-DIN ISO size.
d
Non-DIN ISO size. Conforms to ASTM E 1403.
217219101
20000 345
76
515 Conforms to ASTM E 1403.
1
DURAN® Round Bottom Flask Wide Neck
Uniform wall thickness distribution makes these flasks ideal for heating applications. The geometry permits very uniform heating. The wide neck permits easy filling and removal of flask contents. Flasks with a neck diameter of 76mm or more have a reinforced rim.
with beaded rim
Cat. No.
Remark
Pack Unit
Capacity (mL)
d (OD) (mm)
d 1 (OD) (mm)
h (mm)
217411702 217412407 217413609 217414408 217415404 217415507 217416306 217416409 217416803 217417105 217417302 217417602 217417705 217418607 217419106
50 51 100 64 250 85 500 105 1000 131 1000 131 2000 165 2000 166 3000 185 4000 206 5000 223 6000 236 6000 236 10000 279 20000 345
34 35 51 50 50 65 76 50 65 76 65 89 65 89 89
105 Non-DIN EN ISO size.
10 10 10 10 10 10 10 10
d 1
110 143 168 200
h
500 ml
SCHO
200 Non-DIN EN ISO size.
DURAN
240
240 Non-DIN EN ISO size. 260 Non-DIN EN ISO size.
d
1 1 1 1 1 1 1
290
310 Non-DIN EN ISO size.
330
330 Non-DIN EN ISO size. 420 Non-DIN EN ISO size. 520 Non-DIN EN ISO size.
74
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