500mL Round Bottom Boiling Flask - Assorted Brands

Price is for one flask. Please specify if you have a preference when ordering. Cork support rings seen in photos are NOT included.

AMK Glass 95-3A round bottom flask with 24/40 joint (Qty: 10)

The Corning 4320-500 PYREX 500mL round bottom boiling flask with short neck & 24/40 [ST] joint is manufactured from No. 7740 PYREX borosilicate glass. Normal working temperature for PYREX boiling flasks is 230°C. Excellent chemical durability results in contamination-free results and long life under the toughest lab conditions. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance. (Qty: 19)

The Kimble 25277-500 KIMAX 500mL round bottom boiling flask has a medium length Standard Taper 19/22 joint. Ref: ASTM Method D322. Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements. 142mm height x 102mm outer diameter. (Qty: 1)

The Kimble 25285-500 KIMAX 500mL round bottom boiling flask with short neck & 24/40 [ST] joint is designed from ASTM specification E1403, Type II, Class 3 requirements. 160mm height x 102mm outer diameter. (Qty: 8)

The SYNTHWARE F304500 500mL round bottom boiling flasks with an extended neck and full length 24/40 standard taper outer joint. All sizes are heavy wall design and are hand blown from borosilicate tubing to ensure uniform wall thickness. (Qty: 4)