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Flasks, round bottom, narrow or wide neck, with flared rim

Supplier: DURAN Group
DURAN®, borosilicate glass 3.3, clear.

  • Very good chemical resistance
  • High temperature resistance
  • Minimal thermal expansion, giving relatively high resistance to temperature changes

Marked with capacity and a white labelling area. Flasks with neck external diameter larger than 65 mm have reinforced rims.

ISO 1773 (narrow neck)
DIN EN ISO 24450 (wide neck)



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Narrow neck
Capacity Height Ø ext. Neck Ø ext. Pk VWR Catalog Number Quantity
50 ml 95 mm 51 mm 26 mm 1 214-2105
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100 ml 110 mm 64 mm 26 mm 1 214-2110
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250 ml 144 mm 85 mm 34 mm 1 214-2115
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500 ml 168 mm 105 mm 34 mm 1 214-2120
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1000 ml 200 mm 131 mm 42 mm 1 214-2125
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2000 ml 260 mm 166 mm 42 mm 1 214-2130
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3000 ml 260 mm 185 mm 50 mm 1 214-2135
4000 ml 290 mm 207 mm 52 mm 1 214-0146
5000 ml 305 mm 223 mm 50 mm 1 214-2145
6000 ml 355 mm 236 mm 51 mm 1 214-2150
10000 ml 380 mm 279 mm 65 mm 1 214-2155
20000 ml 515 mm 345 mm 76 mm 1 214-2160

Wide neck
Capacity Height Ø ext. Neck Ø ext. Pk VWR Catalog Number Quantity
50 ml 105 mm 51 mm 34 mm 1 214-2205
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100 ml 110 mm 64 mm 35 mm 1 214-2210
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250 ml 143 mm 85 mm 51 mm 1 214-2215
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500 ml 168 mm 105 mm 50 mm 1 214-2220
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1000 ml 200 mm 131 mm 50 mm 1 214-2225
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1000 ml 200 mm 131 mm 65 mm 1 214-2226
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2000 ml 240 mm 165 mm 76 mm 1 214-2231
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2000 ml 240 mm 166 mm 50 mm 1 214-2230
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3000 ml 260 mm 185 mm 65 mm 1 214-2235
4000 ml 290 mm 206 mm 76 mm 1 214-2240
5000 ml 310 mm 223 mm 65 mm 1 214-2245
6000 ml 330 mm 236 mm 89 mm 1 214-2251
6000 ml 330 mm 236 mm 65 mm 1 214-2250
10000 ml 420 mm 279 mm 89 mm 1 214-2255
20000 ml 520 mm 345 mm 89 mm 1 214-2260
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