These Buchner Funnels are made of a high-quality, laboratory-grade porcelain and have uniform wall thickness and dense materials to make a product with stable mechanical strength and little permeability. When properly used, the glazed pieces can withstand temperatures of 1050º C and the unglazed pieces can withstand temperatures up to 1350º C.
WARNING: This product can expose you to chemicals including nickel oxide, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.