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Corning Pyrex 5644-1L 1L Class A Heavy Duty Volumetric Flat Bottom Flask with PTFE Stopper (Case of 6)

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Product details

Management number 211010876 Release Date 2026/04/04 List Price $168.78 Model Number 211010876
Category

PYREX 1000mL Class A Volumetric Flask with Keyhole PTFE Stopper. Machine-blown body is sealed to heavy-beaded heavy-tubing necks tooled for No. 22 PTFE color-coded keyhole stoppers. Sharp, permanent graduation lines. Inscription: Large white block letters. Material: Borosilicate Glass Code 7740. Capacity: 1000mL. Tolerance: ±0.3mL. Flask Style: Volumetric, long neck, flat bottomed. Height: 342mm (approx). Outer Diameter: 125mm (approx). Reference: ASTM E-288; ASTM E-542; ASTM 694. Corning #: 5644-1L.

  • Class A volumetric flasks manufactured to Class A tolerances: ASTM E- 694 for volumetric ware; ASTM E-542 for calibration of volumetric ware; ASTM E-288 for volumetric flasks
  • Flat bottom flask shape
  • Long neck style
  • PTFE Keyhole stopper
  • Reusable
Capacity 1 Liters
Brand Name Corning
Unit Count 1 Count
Bottom Shape Flat
Manufacturer Corning
Material Type Borosilicate Glass
Specification Met Astm
Item Dimensions D x W x H 4.92"D x 4.92"W x 13.46"H

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