Standard ground stoppers
Conical ground joint stoppers, borosilicate glass 3.3
DIN 12252. Solid or semi-hollow, with octagonal grip.
Conical ground joint stoppers, LDPE
Hollow, with sealing rings and octagonal grip.
Conical ground joint stoppers, PP
Hollow, with sealing rings and square grip. Autoclavable (121 °C).
Conical ground joint stoppers, PP
Hollow, with sealing rings and square grip. Autoclavable (121 °C).
Conical stoppers, NS, PE
Stoppers manufactured to DIN standard 12242 ensuring an effective seal, even on non-standard surfaces.
Ground joint stoppers, borosilicate glass 3.3, semi hollow
DIN 12252. With octagonal grip.
Ground joint stoppers, borosilicate glass 3.3, solid
DIN 12252. With octagonal grip.
Ground joint stoppers, DURAN®, semi-hollow, brown
With octagonal gripUV light protection
Ground joint stoppers, DURAN®, solid, brown
With octagonal gripUV light protection
Hexagonal hollow stopper DURAN®, flat
For closing glassware such as ground flasks or laboratory bottles. DG-joint quality.
Hexagonal hollow stopper DURAN®, pointed
For closing glassware such as ground flasks or laboratory bottles. DG-joint quality.
Hollow stoppers, hexagonal plate, glass
Glass stopper for tight sealing of standard ground vessels, DIN 12 252.
Hollow stoppers, hexagonal plate, pointed bottom, borosilicate glass 3.3
Acc. to DIN 12252, form C.
LLG-Hexagonal hollow stoppers, borosilicate glass 3.3, pointed
For closing glassware with standard ground joints. The drip tip ensures that adhering liquid flows back into the glassware. Hexagonal shape prevents the stopper from rolling away. Acc. to DIN 12252.
NS-Glass stoppers, hollow borosilicate glass 3.3
Manufactured from borosilicate glass 3.3 which is resistant to heat and almost all chemicals. They meet the highest quality standards according to DIN 12252. Lower closed end of stopper features a "drip-tip" to ensure adhered liquid is returned to the flask. Hexagonal flat head prevents the stopper from rolling and allows stopper to be stood on end preventing contamination of the ground surface.
