DURAN® Triple-Neck Round Bottom Flask, Centre Neck NS 24/29, Two Angled Side Necks NS 14/23, 1000 mL

  • Manufactured from 3.3 expansion borosilicate glass
  • The triple-neck design allows three separate components to fitted directly to the flask
  • Vertical centre neck with two angled side neck with NS 14/23 standard ground joints
  • The geometry of the flask permits very uniform heating of the flask contents
  • Tight closure due to standard ground joints
  • Fired-on, highly durable white print
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Product Overview
Multi-neck flasks (two or three neck flasks) are used for a wide variety of applications where it is necessary to connect multiple components i.e. condensers, adapters, thermometers, etc., directly to the flask.

Specifications

Specifications
Boro 3.3 Borosilicate glass 3.3 has a very good chemical resistance, virtual inert behavior, a high maximum usage temperature, high light transparency and minimal thermal expansion. Borosilicate glass 3.3 has a linear coefficient of expansion of 3.3 × 10−6 K−1 at 20 °C. It also conforms to the requirements of a USP/EP/JP Type 1 neutral glass suitable for use by the pharmaceutical industry. The properties of DURAN® are specified to ISO 3585 and ASTM-E438 Type 1 Class A.
Diameter d (mm) 131
h (mm) 200
Capacity (mL) 1000
Diameter (mm) 131
Side Arm Thread NS 14/23
Marking Area The marking area is a printed ceramic area on laboratory glassware for marking / identification using a wax pencil. Also called marking field, white marking spot or marking square.
Material BORO 3.3
Height (mm) 200
Autoclavable Yes
Quantity 1
Product Overview
Multi-neck flasks (two or three neck flasks) are used for a wide variety of applications where it is necessary to connect multiple components i.e. condensers, adapters, thermometers, etc., directly to the flask.

Specifications

Specifications
Boro 3.3 Borosilicate glass 3.3 has a very good chemical resistance, virtual inert behavior, a high maximum usage temperature, high light transparency and minimal thermal expansion. Borosilicate glass 3.3 has a linear coefficient of expansion of 3.3 × 10−6 K−1 at 20 °C. It also conforms to the requirements of a USP/EP/JP Type 1 neutral glass suitable for use by the pharmaceutical industry. The properties of DURAN® are specified to ISO 3585 and ASTM-E438 Type 1 Class A.
Diameter d (mm) 131
h (mm) 200
Capacity (mL) 1000
Diameter (mm) 131
Side Arm Thread NS 14/23
Marking Area The marking area is a printed ceramic area on laboratory glassware for marking / identification using a wax pencil. Also called marking field, white marking spot or marking square.
Material BORO 3.3
Height (mm) 200
Autoclavable Yes
Quantity 1