United Scientific™ FG5340-100 Laboratory Grade Borosilicate Glass Heavy Wall Filtering Flask, Bolt Neck with Tubulation, 100mL Capacity

Heavy wall borosilicate filtering flask includes 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 Apparatus. It is low alkali glass with a typical chemical composition of approximately 81% silica, 13% boric oxide, 4% sodium oxide, and 2% aluminum oxide. It is virtually free of magnesia-lime-zinc group, and contains only traces of heavy metals.

• Capacity: 250mL Capacity. Tubing size: 3/8"
• Graduations: 50-100mL, Graduation Intervals: 25mL
• Made from industrial quality Borosilicate 3.3 glass, these flasks are built to withstand high temperatures and thermal shock.
• These flasks feature dual scale graduations per ASTM-E960 standards.
• Every United Scientific flask is manufactured using state of the art equipment. Every product undergoes various rounds of quality control, and is designed to ensure a smooth, consistent experience for our customers.
• Dimensions: 138mm Dia. x 245mm Hgt.