This ball was made by blow molding technology. So this ball has not any cracks. Traditionally, this ball is used in water treatment. When millions of Plastic Hollow ball onto the surface of a liquid, the automatically form a liquid covering surface. This covering surface provides an extremely effective barrier and significantly reduces the mass and heat transfer mechanisms operating between the liquid and surrounding environment.
Size (mm) |
Average Weight (g) |
Number (n/ft2) |
Number (n/m2) |
---|---|---|---|
10 | 0.2 | 1076 | 11600 |
20 | 1.0 | 270 | 2900 |
25 | 1.5 | 172 | 1850 |
38 | 4.5 | 74 | 800 |
50 | 8.0 | 43 | 465 |
100 | 40 | 10 | 116 |
150 | 100 | 5 | 55 |