DURAN® Flat Bottom Flask, NS 24/29, 100 mL

  • Complies with DIN ISO 4797
  • Manufactured from 3.3 expansion borosilicate glass
  • The flat base means the flasks can stand upright without the need for a supporting ring
  • Tight closure due to standard ground joint
  • Fired-on, highly durable white print
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Product Overview
Flat bottom flasks are similar in shape to round bottom flasks but have a flattened bottom to allow them to stand upright without requiring the use of a support ring. The standard ground joint allows a precise connection to other ground joint components such as colndensers, adapters, etc. Because of their shape, flat bottom flasks are not suitable for use under either a positive or negative pressure.

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) 64
h (mm) 103
Capacity (mL) 100
Diameter (mm) 64
Nominal Size (NS) 24/29
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) 103
Autoclavable Yes
Quantity 10
Product Overview
Flat bottom flasks are similar in shape to round bottom flasks but have a flattened bottom to allow them to stand upright without requiring the use of a support ring. The standard ground joint allows a precise connection to other ground joint components such as colndensers, adapters, etc. Because of their shape, flat bottom flasks are not suitable for use under either a positive or negative pressure.

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) 64
h (mm) 103
Capacity (mL) 100
Diameter (mm) 64
Nominal Size (NS) 24/29
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) 103
Autoclavable Yes
Quantity 10