Sprues with "pear-shaped reservoirs" – optimum for preventing contraction cavities in dental castings. These sprues were specifically developed for attaching to large volume patterns such as solid full gold crowns, pontics, one-piece bars and implant superstructures.
Perawax sprues are made of special burnout wax, are torsion-resistant and available in three sizes.
|250||small, 0,10 g||REF||103203|
|250||medium, 0,17 g||REF||103204|
|200||large, 0,21 g||REF||103205|
|Processing time in minutes|
|Setting time in minutes|
|Setting expansion %|
|Compressive strength, after 1 hour(MPa)|
|Compressive strength, dry (MPa)|
|103203||Perawax, small (0,10 g)|
|103204||Perawax, medium (0,17 g)|
|103205||Perawax, large (0,21 g)|
|103299||Perawax Set (small, medium, large) a 50 pcs|