Thomas Flasks

Glass Class A Volumetric Flasks feature a pennyhead stopper and are Batch Certified. Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included. Meets Class A specifications per ASTM E288.

22- or 18-gage platinum wire gauze U-Shaped Carrier is 12 x 12 mm with a 3 mm space between sides. The 20-gage wire stem forms into loop for hanging on stopper hook in Thomas-Schoniger flask. Heavy-gage sample carrier is similar to 1233S50 Sample Carrier but with heavier 18-gage wire.

6513C60 stopper was traditionally offered by Thomas for 300/500 mL combustion flasks; glass tip extends 50 mm below ground joint 6513C65 stopper is used for 1,000 mL combustion flasks; glass tip extends 90 mm below ground joint All feature U-shaped platinum gauze with 3 mm opening for insertion of...

Glass Class B Volumetric Flasks feature a pennyhead stopper. Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included.

Thomas Scientific™ Heavy Duty Borosilicate Glass Narrow Mouth Erlenmeyer Flasks are designed for durability and feature significantly thicker walls than standard Erlenmeyer Flasks. Borosilicate glass flasks are designed to give the best combination of thermal shock resistance and physical...

Glass Class A Volumetric Wide Mouth Flasks feature a pennyhead stopper and are Batch Certified. Durable, machine-blown body. Heavy beaded tubing neck. Feature a wider mouth than standard volumetric flasks for easy filling. Flasks feature a sharp graduation line and large white block letters. A...

Borosilicate Glass Filtering Flasks include a heavy-duty rim and a bolt neck with tubulation. Graduations are printed in durable white enamel. Manufactured from low-expansion Type 1, Class A Borosilicate 3.3 glass that complies with ASTM E438 Standard Specification for Glasses in Laboratory...

Borosilicate Glass Wide Mouth Erlenmeyer Flasks are designed for durability and feature a wide opening for use with larger rubber stoppers. Borosilicate glass flasks are designed to give the best combination of thermal shock resistance and physical strength. Feature heavy-duty rims and graduations...

Borosilicate Glass Narrow Mouth Erlenmeyer Flasks are designed for durability and long lasting performance and use in the lab. Borosilicate glass flasks are designed to give the best combination of thermal shock resistance and physical strength. Feature heavy-duty rims and graduations in durable...

Thomas Scientific™ Borosilicate Glass Narrow Mouth Erlenmeyer Flasks With Screw Caps are designed for durability and feature a GL-45 Screw Cap. Borosilicate glass flasks are designed to give the best combination of thermal shock resistance and physical strength. Feature heavy-duty rims and...