Whatman™ High Purity Glass Microfiber Extraction Thimbles
Whatman™ high-purity glass microfiber extraction thimbles are manufactured from 100% pure borosilicate glass. They are commonly used for specialized laboratory extraction applications. These extraction thimbles are completely free of binders or additives and can be used at temperatures up to 500°C or when using solvents that are incompatible with cellulose thimbles. These extraction thimbles are also used in pollution monitoring techniques (0.8µm nominal particle retention). Typical thickness is 1.7 mm.