Disposable Glass Coliwasas

Disposable Glass Coliwasas Seal Out Leaks

Choose from two models of Disposable Glass Coliwasas for column sampling of multi-phase liquids covering a wide range of viscosity, corrosivity and volatility. Both are 7/8" dia.
The PTFE Resin Seal style is prescored and made of soda lime glass. Inner plunger with integral PTFE resin tip creates a positive seal for safe removal and transfer. Outer tubes are 42"L and have a tapered bottom with 1/2" opening. Prescored. Case of 12.
The Ground Joint style is unscored and made of chemical-resistant borosilicate glass tubing with ground male and female joints for a leak-free sample. The positive seal holds the sample until you release it. Works best in liquids with minimal solids. Case of 12.