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Corning

PYREX® Short Neck Boiling Flask, Round Bottom, Standard Taper Joint

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These PYREX(r) round bottom boiling flasks have full length outer Standard Taper joints, but with shorter necks. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance. Their excellent chemical durability results in contamination-free results and long life under the toughest lab conditions. The normal working temperature for PYREX(r) boiling flasks is 230°C. Adapter Nos. 8800, 8820 and 8825 are used to connect flasks with different size joints, thus allowing numerous combinations for diverse assemblies.

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Thomas No.
1234A60
Mfr. No.
4320-300
Description
PYREX® 300mL Short Neck Boiling Flask, Round Bottom, 24/40 Standard Taper Joint
Ready to Ship
list price/quantitytotal
$0.00
Thomas No.
0318V05
Mfr. No.
4321A-100
Description
PYREX® 100mL Short Neck Boiling Flask, Round Bottom, 14/20 Standard Taper Joint (These flasks are replacement parts for organic chemistry kits No. 6949K)
list price/quantitytotal
$0.00
Thomas No.
0319U50
Mfr. No.
4321A-25
Description
PYREX® 25mL Short Neck Boiling Flask, Round Bottom, 14/20 Standard Taper Joint (These flasks are replacement parts for organic chemistry kits No. 6949K)
Ready to Ship
list price/quantitytotal
$0.00
Thomas No.
0319U51
Mfr. No.
4321A-250
Description
PYREX® 250mL Short Neck Boiling Flask, Round Bottom, 14/20 Standard Taper Joint (These flasks are replacement parts for organic chemistry kits No. 6949K)
Ready to Ship
list price/quantitytotal
$0.00
Thomas No.
0319U52
Mfr. No.
4321A-50
Description
PYREX® 50mL Short Neck Boiling Flask, Round Bottom, 14/20 Standard Taper Joint (These flasks are replacement parts for organic chemistry kits No. 6949K)
list price/quantitytotal
$0.00
Thomas No.
0319U53
Mfr. No.
4321A-500
Description
PYREX® 500mL Short Neck Boiling Flask, Round Bottom, 14/20 Standard Taper Joint (These flasks are replacement parts for organic chemistry kits No. 6949K)
list price/quantitytotal
$0.00
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