Wilson Class II Permeable
WilsonClass II Permeable is a permeable material used for drainage applications and conforms to the specifications of Cal Trans section 68. Contact a sales representative for details.
Sieve Analysis
| Inches | MM/UM | Grading* | Caltrans Section 68 |
|---|---|---|---|
| 1" | 25 mm | 100 | 100 |
| 3/4" | 19 mm | 92 | 90 - 100 |
| 1/2" | 12.5 mm | 67 | - |
| 3/8" | 9.5mm | 53 | 40 - 100 |
| #4 | 4.75 | 34 | 25 - 40 |
| #8 | 2.36 mm | 25 | 18 - 33 |
| #30 | 600 um | 13 | 5 - 15 |
| #50 | 300 um | 6 | 0 - 7 |
| #100 | 75 um | 1 | 0 - 3 |
*Grading results are typical
Branch Availability
-
- A.R. Wilson Quarry Aggregates
- 1900 Quarry Road
- Aromas, CA 95004
- 831.768.2300
Wilson Class II Permeable
