Glassco Volumetric Flask Class A Batch certificate 250ml Borosilicate Glass PE stopper Bung closures and latch ring

Bung closures and latch ring included

The seamless construction also means there is no seam to trap residual liquid or to leak

Engineered to provide a snug fit for safer shipping

and there is an internal thread to ensure a leak-proof seal

Glassco Volumetric Flask Class A Batch certificate 250ml Borosilicate Glass PE stopper Bung closures and latch ringA 250ml volumetric glass flask, class A. This volumetric flask is made from Borosilicate 3 glass, so it has high thermal resistance, chemical durability and excellent optical clarity. It has a narrow neck for use with stoppers when conducting sealed reaction experiments and gas collection. There is an easy to read white measuring scale and marking block made from fired on ceramic enamel. This means the scale markings are chemically resistant and