Technical Properties
Multi-Flow Technical Properties
Drainage Core
Property |
Test Method |
Value |
Thickness, inches |
ASTM D-1777 |
1.0 |
Flow Rate, gpm/ft * |
ASTM D-4716 |
29 |
Compressive Strength, psf |
ASTM D-1621 |
6000 |
Perforations / sq. ft. |
—– |
> 300 |
Geo-Textile Filter
Property |
Test Method |
Value |
Weight (oz/sq2) |
ASTM D-3776 |
4 |
Tensile Strength, lb. |
ASTM D-4632 |
100 |
Elongation, % |
ASTM D-4632 |
50 |
Puncture, lb. |
ASTM D-4833 |
50 |
Mullen Burst, psi |
ASTM D-3786 |
200 |
Trapezoidal Tear, lb. |
ASTM D-4533 |
42 |
Coefficient of Perm, cm/sec |
ASTM D-4491 |
0.1 |
Flow Rate, gpm/ft2 |
ASTM D-4491 |
100 |
Permittivity, 1/sec. |
ASTM D-4491 |
1.8 |
A.O.S. Max US Std Sieve |
ASTM D-4751 |
70 |
UV Stability,500 hrs., % |
ASTM D-4355 |
70 |
Seam Strength, lb./ft |
ASTM D-4595 |
100 |
Fungus |
ASTM G-21 |
No Growth |
All values given represent minimum average roll values
* Horizontal Installation, gradient = 0.1, pressure = 10 psi for 100 hours