Quartz Microfiber Extraction Silica Thimble Whatman 2812-259 Descriptions : Whatman 2812-259 Quartz Microfiber Extraction Thimble, Tapered, Size: 25 x 90mm (Pack of 10) Extraction thimble; made from high purity quartz microfiber Size: 25 x 90mm Able to withstand high temperatures (up to 1000°C)



