Inquiry (采购产品): graded seals Dear Sirs I will need graded seals , can you supply ..... The apparatus I need to fabricate transitions from: -pyrex to lead glass (corning 0120 , C.O.E. 89.5) -approx 6 mm diameter hollow tube, I can adapt to slightly different sizes 50 to 60 units If available, please let me know price & delivery Thank you Len Chodirker Glass Sculpture Studios GSS Scientific Glass Blowing Markham, Ontario, Canada 905 - 470 - 6843 **** Hidden Message ***** len chodirker L3R 3A4 CAN Company: glass sculpture studios E-mail: glass.sculpture@sympatico.ca **** Hidden Message ***** glass.sculpture@sympatico.ca