PYREX® borosilicate glass.

• Very good chemical resistance
• High temperature resistance
• Minimal thermal expansion giving relatively high resistance to temperature changes

Solvent still head for maintaining oxygen-free solvents. Head has sufficient storage space to allow solvent removal by syringe or drainage through 2 mm T-bore fluoropolymer resin stopcock. It has a NS outer joint at top, NS inner joint at bottom, and NS 14/20 inner joint on the drainage arm.