General Lab Products & Reviews

These 100 mL PYREX® heavy duty boiling flasks provide increased mechanical strength. The flask features walls which are 25-30% thicker than the standard version. O.D. dimensions have not been changed. They have full length outer 24/40 Standard Taper joints, but with shorter necks. The normal working temperature for PYREX® boiling flasks is 230°C. Adapter Nos. 8800, 8820 and 8825 are used to connect flasks with different size j…

These 12L PYREX® heavy duty boiling flasks provide increased mechanical strength. The flask features walls which are 25-30% thicker than the standard version. O.D. dimensions have not been changed. They have full length outer 55/50 Standard Taper joints, but with shorter necks. The normal working temperature for PYREX® boiling flasks is 230°C. Adapter Nos. 8800, 8820 and 8825 are used to connect flasks with different size join…

These 1L PYREX® heavy duty boiling flasks provide increased mechanical strength. The flask features walls which are 25-30% thicker than the standard version. O.D. dimensions have not been changed. They have full length outer 24/40 Standard Taper joints, but with shorter necks. The normal working temperature for PYREX® boiling flasks is 230°C. Adapter Nos. 8800, 8820 and 8825 are used to connect flasks with different size joint…

These 250 mL PYREX® heavy duty boiling flasks provide increased mechanical strength. The flask features walls which are 25-30% thicker than the standard version. O.D. dimensions have not been changed. They have full length outer 24/40 Standard Taper joints, but with shorter necks. The normal working temperature for PYREX® boiling flasks is 230°C. Adapter Nos. 8800, 8820 and 8825 are used to connect flasks with different size j…

These 2L PYREX® heavy duty boiling flasks provide increased mechanical strength. The flask features walls which are 25-30% thicker than the standard version. O.D. dimensions have not been changed. They have full length outer 24/40 Standard Taper joints, but with shorter necks. The normal working temperature for PYREX® boiling flasks is 230°C. Adapter Nos. 8800, 8820 and 8825 are used to connect flasks with different size joint…

These 3L PYREX® heavy duty boiling flasks provide increased mechanical strength. The flask features walls which are 25-30% thicker than the standard version. O.D. dimensions have not been changed. They have full length outer 24/40 Standard Taper joints, but with shorter necks. The normal working temperature for PYREX® boiling flasks is 230°C. Adapter Nos. 8800, 8820 and 8825 are used to connect flasks with different size joint…

These 50 mL PYREX® heavy duty boiling flasks provide increased mechanical strength. The flask features walls which are 25-30% thicker than the standard version. O.D. dimensions have not been changed. They have full length outer 24/40 Standard Taper joints, but with shorter necks. The normal working temperature for PYREX® boiling flasks is 230°C. Adapter Nos. 8800, 8820 and 8825 are used to connect flasks with different size jo…

These 500 mL PYREX® heavy duty boiling flasks provide increased mechanical strength. The flask features walls which are 25-30% thicker than the standard version. O.D. dimensions have not been changed. They have full length outer 24/40 Standard Taper joints, but with shorter necks. The normal working temperature for PYREX® boiling flasks is 230°C. Adapter Nos. 8800, 8820 and 8825 are used to connect flasks with different size j…

These 5L PYREX® heavy duty boiling flasks provide increased mechanical strength. The flask features walls which are 25-30% thicker than the standard version. O.D. dimensions have not been changed. They have full length outer 45/50 Standard Taper joints, but with shorter necks. The normal working temperature for PYREX® boiling flasks is 230°C. Adapter Nos. 8800, 8820 and 8825 are used to connect flasks with different size joint…

With full length joints, but with short necks.The 100, 250, and 500 mL flasks are replacement parts for organic chemistry kits (Cat. Nos. 6949 through 6949K).