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3 From 40
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DURAN® Round bottom flask, three necks, Center NS 29/32, Side NS 14/23, 500 mL
DURAN® Round bottom flask, three necks, Center...
Manufactured from borosilicate glass. DURAN® Triple Neck Flask allows for uniform heating. • Round-bottomed • Borosilicate glass • Ideal as a cooking glass • Uniform heating • Typical applications include distillation, extraction
€75.09
DURAN® Round bottom flask, three necks, Center NS 29/32, Side NS 14/23, 250 mL
DURAN® Round bottom flask, three necks, Center...
Manufactured from borosilicate glass. DURAN® Triple Neck Flask allows for uniform heating. • Round-bottomed • Borosilicate glass • Ideal as a cooking glass • Uniform heating • Typical applications include distillation, extraction
€67.91
2-neck bottom, 20° angle
2-neck bottom, 20° angle
Two necks round bottom flask 100 ml Middle neck NS 14/23 Side neck NS 14/23 (20° angle) According to DIN 12394 Borosilicate glass 3.3
from €28.02
134001414
Screw thread adapter, acc. to DIN 12257, GL 18
Screw thread adapter thread GL 18 Acc. to DIN 12257 Made of borosilicate glass 3.3
from €12.71
134001414
Screw thread adapter, acc. to DIN 12257, GL 25
Screw thread adapter Thread GL 25 Acc. to DIN 12257 Made of borosilicate glass 3.3
from €19.00
Drying tube, U-shape, length 125 mm
Drying tube, U-shape, length 125 mm
Drying tube (Calcium chloride tube) 2x socket NS 14/23 with stopper Borosilicate glass 3.3 DIN 12616
from €60.50
Non-Return Valves, with cone NS 14/23
Non-Return Valves, with cone NS 14/23
As a pressure relief valve is a spring-loaded ball joint, a higher-viscosity barrier liquid ensures the tightness. The spring pressure is adjustable, but the valve can be delivered pre-set and sealed upon request. Maximum overpressure...
from €238.50
Adaption kit GL 32 on glass olive
Adaption kit GL 32 on glass olive
For reaction vessels With temperature control connection GL 32 Consisting of special cap, seal, glass adapter with olive 9 mm Temperature resistant from -60 ° C to + 200 ° C
from €108.01
Mobile rack for reaction vessels 6 - 20 L
Mobile rack for reaction vessels 6 - 20 L
Suitable for reaction vessels 6 - 20 liter With 4 steering rollers, brakes Complete with stand (tube diameter 25 mm) for fitting stirres, etc. Open at front bottom (to put in collecting vessels) Completely made of 18/8 steel LxWxH 75 x...
from €2,755.41
DURAN® Drechsel bottle head with filter disc, porosity 1
DURAN® Drechsel bottle head with filter disc,...
DURAN® Drechsel bottle head with filter disc porosity 1
€58.53
DURAN® Round bottom flask, two necks, Center NS 24/29, Side NS 19/26, 250 mL
DURAN® Round bottom flask, two necks, Center NS...
• Round-bottomed • Manufactured from borosilicate glass • Two necks, , curved side neck • Center neck • Ideal as heating vessel for distillation, extraction • USP standard
€70.52
DURAN® gas washing bottle, head with fritted disc, 350 mL, NS 29/32
DURAN® gas washing bottle, head with fritted...
DURAN® gas washing bottle head with fritted disc with standard ground joint NS 29/32 350 ml
€271.42
Adaption kit GL 32 to thread M 16×1, Temp. -60 to +200°C
Adaption kit GL 32 to thread M 16×1, Temp. -60...
Adaptation kit GL 32 Temperature -60 to +200°C For reaction vessels with tempering connection GL 32 Consisting of special coupling cap, seal, stainless steel adapter M16x1 (acc./Reaction vessel) For example, suitable for connection of...
€135.60
134046108
Dropping funnel, cylindrical, with glass plug...
Dropping funnel, cylindrical shape, made of Boro 3.3, with NS sleeve and core and pressure equalisation tube. With solid NS glass plug, threaded stopcock, graduation for reading the approximate volume and labelling field.
from €79.11
134020007
Round bottom flask with middle neck
Round bottom flask Borosilicate glass 3.3
from €7.68
134042108
Dropping funnel, cylindrical, with glass plug
Dropping funnel, made of borosilicateglasss 3.3, cylindrical shape, with NS socket and cone. With solid glass plug, s crewthread retaining device, with scale (approx. volume / ml) and inscription label.
from €61.87
DURAN® Reduction and expansion adapter
DURAN® Reduction and expansion adapter
DURAN®, borosilicate glass 3.3, clear. • Very good chemical resistance • High temperature resistance • Minimal thermal expansion giving relatively high resistance to temperature changes • Adapters, reduction or expansion, with standard...
from €20.19
DURAN® gas washing bottle base
DURAN® gas washing bottle base
DURAN® gas washing bottle base
from €59.85
Ground glass joint clamp, POM, for spherical glass joint
Ground glass joint clamp, POM, for spherical...
Ground joint clamps made of polyacetal (POM), Delrin®. Melting point 175°C Heat-resistant up to approx. 150°C, very good chemical resistance. Easy, safe and quick to fit and remove. Each size in a different color for easy selection. No...
from €5.05
PTFE pin
PTFE pin
PTFE pin for valves "PRODURAN®"
from €21.53
Czako stopcocks, angle bore 2,5 mm
Czako stopcocks, angle bore 2,5 mm
Czako stopcocks, angle bore 2,5 mm, NS 14.5, complete with keys and 3 part retaining device
from €44.60
DURAN® Separating funnel stopcock, Gilson type, ground
DURAN® Separating funnel stopcock, Gilson type,...
DURAN®, borosilicate glass 3.3, clear, grounded, without key. Very good chemical resistance Very good temperature resistance For glass manipulators
from €13.23
DURAN® Separating funnel stopcock, Gilson type, ground and polished
DURAN® Separating funnel stopcock, Gilson type,...
DURAN®, borosilicate glass 3.3, clear, grounded and polished, without key. Very good chemical resistance Very good temperature resistance For glass manipulators
from €21.26
DURAN® Separating funnel stopcock, with short inlet, ground
DURAN® Separating funnel stopcock, with short...
DURAN®, borosilicate glass 3.3, clear, grounded, without key. Very good chemical resistance Very good temperature resistance With short inlet. For glass manipulators
from €15.51
3 From 40

Glass laboratory equipment and supplies available in our online shop

At Fleischhacker GmbH & Co.KG , we provide access to a wide range of laboratory glass equipment and supplies to suit any need across Germany and internationally. Optimize your processes with our comprehensive range of laboratory glassware. Our selection encompasses steam generators, distillation apparatuses and components. In addition, we offer various stopcocks and valves, vessels, seals, funnels, flasks and other glass bottles.

Our laboratory glassware is made using borosilicate glass.

Unlike borosilicate glass, soda-lime glass is the most common kind of glass and contains about 70% silica. It is typically a softer glass which means it can scratch easily. Pyrex is a chemically strengthened type of soda-lime glass.

Typical substances used to make glass are silicates, borates and phosphates. Borosilicate glass is composed of at least 5% boric oxide, making it more durable and heat resistant. The presence of the boric oxide helps to bind the silicate, aluminum oxide and sodium oxide. This combination of materials means borosilicate glass faces less material stress as it has a lower thermal expansion coefficient. Overall, borosilicate glass is the clear choice for your laboratory glassware needs as it is chemically resistant and resistant to extreme temperature changes.

At Fleischhacker GmbH & Co.KG , we provide access to a wide range of laboratory glass equipment and supplies to suit any need across Germany and internationally. Optimize your processes with... read more »
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Glass laboratory equipment and supplies available in our online shop

At Fleischhacker GmbH & Co.KG , we provide access to a wide range of laboratory glass equipment and supplies to suit any need across Germany and internationally. Optimize your processes with our comprehensive range of laboratory glassware. Our selection encompasses steam generators, distillation apparatuses and components. In addition, we offer various stopcocks and valves, vessels, seals, funnels, flasks and other glass bottles.

Our laboratory glassware is made using borosilicate glass.

Unlike borosilicate glass, soda-lime glass is the most common kind of glass and contains about 70% silica. It is typically a softer glass which means it can scratch easily. Pyrex is a chemically strengthened type of soda-lime glass.

Typical substances used to make glass are silicates, borates and phosphates. Borosilicate glass is composed of at least 5% boric oxide, making it more durable and heat resistant. The presence of the boric oxide helps to bind the silicate, aluminum oxide and sodium oxide. This combination of materials means borosilicate glass faces less material stress as it has a lower thermal expansion coefficient. Overall, borosilicate glass is the clear choice for your laboratory glassware needs as it is chemically resistant and resistant to extreme temperature changes.