Cym Materials SA manufactures air compressed blast pot of simple and double chamber of different capacities, according to the needs of each customer.

Blast-grit hoppers use any type of mineral or vegetal abrasive such as glass bead, steel shot, aluminium oxide, quartz, nut shells.
The abrasive is transported vertically or horizontally through rubber pipes.

These machines are suitable for outdoor activities where the abrasive released is difficult to recover, such as gritting of large structures, ships, bridges, etc.
Blast-grit hoppers can be operated automatically or manually.

The latter allows the operator to have complete control of the abrasive.