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DWK Duran 500 mL Round Bottom Flask, Narrow Neck, Beaded Rim

Brand:DWK Life Sciences​

Ø

Height

Neck Ø

Nominal capacity

Standard

Specifications

Compare models
Colour
Clear
Ø
105 mm
Height
168 mm
Material
DURAN® glass
Neck Ø
34 mm
No. of necks
1
Nominal capacity
500 ml
Standard
DIN ISO 1773
UNSPSC
41121804
With beaded rim
Yes

NTD 1,047

Inc. VAT

Supplier Stock: 5
Delivery: 2-4 weeks

Product description

The DWK Duran 500 mL Round Bottom Flask is an essential laboratory vessel designed for uniform heating and efficient mixing of liquids. Crafted from high-quality borosilicate glass 3.3, this flask offers exceptional thermal resistance and durability. The narrow neck with a beaded rim ensures a secure fit with stoppers and other apparatus, minimizing spillage and contamination risks. Its spherical shape makes it ideal for use in distillation, reflux, and other heating applications, as it allows for even heat distribution and can withstand high-temperature variations. The flask is autoclavable, ensuring easy sterilization for repeated use in various laboratory settings.

Key Features:

  • Brand: DWK Duran
  • Material: Borosilicate glass 3.3
  • Capacity: 500 mL
  • Neck Type: Narrow neck with beaded rim
  • Thermal Resistance: Uniform heating suitable for high-temperature applications
  • Autoclavable: Yes, for easy sterilization
  • Applications: Ideal for distillation, reflux, and other heating processes

This flask is a reliable choice for laboratories requiring high-quality glassware for precise and safe chemical handling.

Accessories

Flask rings, pressed cork

ProductMaterialExt. ØMfr#Part#AvailabilityPrice
Flask rings,cork,height 30 mm,diam.30/80 mm
BR Solution Cork Flask Ring (Height: 30 mm, Diameter: 30–80 mm)
Cork80 mmKOLBENRING 89.143 003In stockNTD 108
Flask rings,cork,height 30 mm,diam.60/110 mm
BR Solution Cork Flask Support Ring, 30 mm Height, 60–110 mm Diameter
Cork110 mmKOLBENRING 119.143 006In stockNTD 181
Flask rings,cork,height 30 mm,diam.120/170 mm
BR Solution Cork Flask Ring 30 mm Height, 120–170 mm Diameter
Cork170 mmKOLBENRING 179.143 012In stockNTD 361
Flask rings,cork,height 30 mm,diam.150/210 mm
BR Solution Flask Ring with Cork Height 30 mm, Diameter 150-210 mm
Cork210 mmKOLBENRING 219.143 015In stockNTD 578
Flask rings,cork,height 30 mm,diam.90/140 mm
BR Solution Flask Ring Cork Height 30mm, Diameter 90-140mm
Cork140 mmKOLBENRING 149.143 009In stockNTD 289
Flask rings,cork,height 30 mm,diam.90/140 mm pack of 10
BR Solution Flask Ring Cork, Height 30mm, Diameter 90-140mm, Pack of 10
Cork140 mmKOLBENRING 14.VE4.667 533In stockNTD 2,601
Flask rings,cork,height 30 mm,diam.30/80 mm pack of 10
BR Solution Flask Ring Cork Height 30 mm, Diameter 30/80 mm, Pack of 10
Cork80 mmKOLBENRING 8.VE4.667 531In stockNTD 1,084
Flask rings,cork,height 30 mm,diam.60/110 mm pack of 10
BR Solution Flask Ring (Cork Height 30mm, Diameter 60/110mm) - Pack of 10
Cork110 mmKOLBENRING 11.VE4.667 532In stockNTD 1,589
Flask rings,cork,height 30 mm,diam.120/170 mm pack of 10
BR Solution Flask Ring Cork (Height 30mm, Diameter 120/170mm, Pack of 10)
Cork170 mmKOLBENRING 17.VE4.667 534In stockNTD 3,612

Flask support rings, "BiBase", silicone elastomer

ProductTemperature resistanceMaterialMfr#Part#AvailabilityPrice
Flask rings,silicone elastomer,for 50 - 500 ml
Saint-Gobain Flask Rings, Silicone Elastomer, for 50 - 500 ml
-60 ... 200 °CSilicone rubber1610409.143 035In stockNTD 1,625
Flask rings,silicone elastomer,for 500 - 2000 ml
Saint-Gobain Flask Rings, Silicone Elastomer, for 500 - 2000 ml
-60 ... 200 °CSilicone rubber1610429.143 036In stockNTD 2,203
Flask rings,silicone elastomer,for 2000 - 6000 ml
Saint-Gobain Flask Rings, Silicone Elastomer, for 2000 - 6000 ml
-60 ... 200 °CSilicone rubber1610449.143 037NTD 4,118

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Frequently asked questions

It is an essential laboratory vessel designed for uniform heating and efficient mixing of liquids. Crafted from high-quality borosilicate glass 3.3, this flask offers exceptional thermal resistance and durability. The narrow neck with a beaded rim ensures a secure fit with stoppers and other apparatus, minimizing spillage and contamination risks. Its spherical shape makes it ideal for use in distillation, reflux, and other heating applications, as it allows for even heat distribution and can withstand high-temperature variations. The flask is autoclavable, ensuring easy sterilization for repeated use in various laboratory settings.

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