Round Bottom With two Neck 500ml Pyrex

Capacity: 500 mL.
Material: Low-expansion borosilicate glass, which offers exceptional resistance to chemical corrosion and thermal shock.
Neck Configuration:
Center Neck: Usually a larger standard taper joint (e.g., 24/40 or 29/42).
Side Neck: Often angled (approx. 20°) to prevent interference with the center neck; commonly uses 24/40 or 10/30 joints.
Durability: Designed with uniform wall thickness to balance mechanical strength and thermal expansion, ensuring safety during high-heat applications.
Temperature Rating: Normal working temperature for Pyrex boiling flasks is approximately