Listmembers, I'm looking for a source of ceramic tubes for combustion ovens: 1/8" OD x 0.5mm ID high purity alumina. I usually get them from Morgan Advanced Ceramics (Bolt Technical Products), but they are out of stock. Any suggestions? (North America, preferably). Paul Eby [log in to unmask] Biogeochemistry Lab (E-Hut, room 102) School of Earth and Ocean Science University of Victoria PO Box 3055 Victoria, B.C. Canada V8W 3P6 phone: 250-721-6183 fax: 250-472-4620