Glass Fiber Thimbles

Glass thimbles are used to sample dust particles and aerosols from gaseous streams in the analytical registration of environmental pollution and for Soxhlet extractions requiring solvents too aggressive for the cellulose thimbles.

High purity, seamless thimble filters offered in 5 materials. Applications include analysis of fats, oils, grease, pesticides, pollutants, organics and addititives in plastics and rubbers. Glass Fiber thimbles are made of pure borosilicate glass microfibers. These binder-free filters can…

Quartz thimbles are used for emission testing in high temperature environments. They can also be used for testing acidic gases which are not compatible with micro-glass fiber thimbles. Quartz meets the highest purity requirements due to the lowest possible heavy metal content.