Sfere cave

Hollow balls (HOLLOWBALLS) – Bulk fill bodies produced by blow moulding, made of HDPE or special technopolymers. The wall thickness is sized to withstand considerable stress both under pressure and in vacuum.

Technical features
Material HDPE
Shape Spherical
Diameter 25 / 38 / 45 mm
Specific surface area from 82 to 141 m2/m3
Maximum temperature 100°C