DURAN® Round Bottom Flask with standard ground joint, 25-4000 ml

• Complies with DIN ISO 4797
• Manufactured from 3.3 expansion borosilicate glass
• Tight closure due to standard interchangeable ground neck joint
• The geometry permits very uniform heating
• Closable with glass and plastic stopper
• Fired-on, highly durable white print

NS 29/32
Catalog No        Capacity (mL)     Diameter d (mm)        Height h (mm)    Remarks                            

241701907          50          51           105        Non-DIN/ISO size.           

241702706          100        64           105        -             

241703702          250        85           140        -             

241704604          500        105        163        -             

241705609          1000      131        200        -             

241706305          2000      166        240        -

Catalog No      Capacity (mL)     Diameter d (mm)       Height h (mm)     Remarks                            

241704707          500        105        163        Non-DIN/ISO size.           

241705703          1000      131        200        Non-DIN/ISO size.           

241706408          2000      166        240        Non-DIN/ISO size.           

241707207          4000      207        290        -

NS 24/29

Catalog No          Capacity (mL)     Diameter d (mm)        Height h (mm)    Remarks             

241703608          250        85           140        -             

241701804          50           51           105        Non-DIN/ISO size.           

241702603          100        64           105        -             

241704407          500        105        163        -             

241705403          1000      131        200        -

NS 14/23

Catalog No          Capacity (mL)     Diameter d (mm)       Height h (mm)    Remarks             

241702003          50           51           90           -             

241702509          100         64           105        -             

241701307          25           41           85           -

Catalog No         Capacity (mL)      Diameter d (mm)        Height h (mm)    Remarks                            

241701701          50           51           90         -             

241702406          100         64           105        -             

241701401          25           41           85           Non-DIN/ISO size.