Sandblasting abrasive used for overpressure gumming in sandblasting cabinets.

Type II is the most widely used and versatile media for surface treatment. It has an average hardness within the range of thermoformed plastic media. It can be used for surface treatment in dry or wet environments.

Sandblasting abrasive used for overpressure gumming in sandblasting cabinets.

Type III is a melamine-based thermoformed plastic media. Melamine is the most aggressive and hardest of the thermoformed plastic media (6 times more aggressive than urea - type II).

It must therefore be chosen carefully to avoid damage to delicate materials. It can be used for surface treatment in both dry and wet environments.