Gulf Perlite Manufactures a range of Perlite Filter Aid. Refer to the below table with our typical grades, you may also consult your Gulf Perlite representative for further information:
Grade |
Cake Density (Kg/m³) |
Permeability (Darcy) |
Flow-Rate |
GP-30 |
256 |
0.30 |
Very Slow |
GP-100 |
220 |
0.90 |
Slow |
GP-150 |
210 |
1.2 |
Slow |
GP-180 |
210 |
1.6 |
Slow |
GP-250 |
200 |
2.2 |
Medium |
GP-300 |
170 |
2.6 |
Medium |
GP-350 |
155 |
3.5 |
Fast |
GP-450 |
160 |
4.0 |
Fast |
GP-550 |
150 |
5.0 |
Very Fast |
Please contact us for any clarification.