They have a design and shape that allow a perfect seal during the centrifugation process. They are made of zamak material and are marketed in 3 kg packages.

There are three different types of centering devices:

• Standard model suitable for metal casting in silicone and rubber molds. Allows easy opening of the mold after casting.
• Special resin model, designed to keep the mold perfectly closed when the pressure is removed from the centrifuge plates and not to deform the inner resin parts that have not yet reached their optimum polymerization and cooling point.
• Pacifier” model, small size and specially designed to surround the part, fasten or fix the mold around it and avoid displacements.