Hollow glassware

DURAN® flat bottom flask with beaded rim

 

Uniform wall thickness distribution makes these flasks ideal for heating applications. Flat base means flasks can be set down without a supporting ring. Flasks with a neck diameter of 65 mm or more have a reinforced rim.

Narrow neck:
Wide neck:

DURAN® flat bottom flask, narrow neck

Cat. No. Capacity
ml		 d
mm		 di
mm		 h
mm		 Pack/ Quantity
21 711 17 50 51 26 90 10
21 711 24 100 64 26 105 10
21 711 36 250 85 34 138 10
21 711 44 500 105 34 163 10
21 711 54 1 000 131 42 190 10
21 711 64* 2 000 166 42 250 10
21 711 68* 3 000 185 50 250 1
21 711 71 4 000 207 50 275 1
21 711 73* 5 000 223 50 290 1
21 711 76 6 000 237 65 315 1
21 711 86 10 000 280 65 360 1

* Non-DIN EN ISO size.

DURAN® flat bottom flask, wide neck

Cat. No. Capacity
ml		 d
mm		 di
mm		 h
mm		 Pack/ Quantity
21 731 17 50 51 34 90 10
21 731 24 100 64 34 105 10
21 731 36 250 85 50 138 10
21 731 44 500 105 50 163 10
21 731 54 1 000 131 50 190 10
21 731 63* 2 000 166 76 230 10
21 731 64 2 000 166 50 230 10

* Non-DIN ISO size.