Structur 3 Temporary Crown & Bridge Material - Cartridge A2, 50 mL. 1:1 cartridge system. Nano-filled, quick setting with 'Wipe & Go' Technology. Elastic phase allows simple removal from the prepared tooth. Gloss without polishing - only requires removal of the inhibition layer. 1 - 50 ml Cartridge & Mixing Tips. 50 ml cartridge and tips