DURAN®, borosilicate glass 3.3, clear, without screw cap.

• Very good chemical resistance
• High temperature resistance
• Minimal thermal expansion, giving relatively high resistance to temperature changes
• Glass Type I according to USP, EP and JP

Round, with graduation and DIN thread. Without pouring ring or screw cap.

With printed retrace code (batch identification).

*With specially shaped glass rim for improved pouring; no additional pouring ring is needed.

**Ring-shaped reinforcement on the bottle shoulder makes the filling line of the nominal volume visible.