Dewar Flasks with Flat Bottom KGW Isotherm

Type FB-CAL Flat Bottom Dewar Flask	Type FB-CAL with viewing stripes Flat Bottom Dewar Flask

Suitable for storage and cooling of small samples. Flat bottom design makes for easy use of magnetic stirrers.Flat bottom dewars have a durable, textured aluminum finish and can be delivered with transparent viewing strips if required. Sizes from150ml to 2.1 litres.

Application of Flat Bottom Dewar Flasks

• suitable on magnetic stirrer
• flexible applications in laboratory
• cooling of small samples
• storage:
  • liquid nitrogen ( LN2 )
  • dry ice ( CO2 )
  • other coolants
• suitable as insulating flask

Advantages of Flat Bottom Dewar Flask

• low evaporation rate
• easy handling
• aluminium cover:
  • antimagnetic
  • stainless
  • made of Borosilicatglass 3.3
• deliverable:
  • fully silvered ( standard )
  • not silvered
  • silvered with viewing stripes
  • shortened

Versions

• CAL : structured aluminium cover

Accessories

• loose lied insulating plug

Technical data

Type	max. Content ca. [ ml ]	A mm	B mm	C mm	D mm	E mm	Weight ca. [ kg ]	Holding time LN2 ca. [ h ]	Evaporation rate LN2 ca. [ L / d ]
FB 0 CAL	150	37	50	58	140	170	0,3	12	0,25
FB 1 CAL	250	47	60	72	140	170	0,4	13	0,35
FB 3 CAL	450	57	70	81	185	220	0,5	28	0,35
FB 6 CAL	650	67	80	90	185	220	0,6	32	0,4
FB 9 CAL	850	77	95	105	185	220	0,9	32	0,55
FB 12 CAL	1200	90	115	124	185	225	1,2	33	0,7
FB 18 CAL	2100	107	130	140	235	275	1,8	52	0,9

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