Funnels with long stem, DURAN®

DURAN®, borosilicate glass 3,3, clear.

• Excellent chemical resistance
• High temperature resistance
• Minimal thermal expansion, giving relatively high resistance to temperature changes

With smooth internal walls. Cone angle 60°.

DIN ISO 4798 (exept 221-0143 and 221-1181)

Certifications: DIN ISO 4798 (except 221-0143 and 221-1181)