Wilson #4 Arema 1-1/2" Railroad Ballast
Wilson #4 AREMA 1-1/2" Railroad Ballast is a clean, 100% crushed granite. This Ballast is produced daily at Wilson Quarry to meet the American Railway Engineering and Mining Association (AREMA) #4 Ballast Specifications as well as ASTM C-33 Size #4. This product has been used by the Railroad as Ballast Aggregate since the late 1800’s. This type of rock is typically gray in color.
ASTM Properties
| L.A. Rattler in accordance w/ ASTM C535 | 27% |
| Specific Gravity | 2.82 |
| Sodium Sulfate Loss in accordance w/ ASTM C88 | 4.8% |
| Unit Weight | 100.7 lb / pcf |
Sieve Analysis
| Inches | MM/UM | Grading* | AREMA #4 (1986) | |
|---|---|---|---|---|
| 2" | 50 mm | 100 | 100 | |
| 1-1/2" | 37.5 mm | 93 | 90 - 100 | |
| 1" | 25 mm | 47 | 20 - 55 | |
| 3/4" | 19 mm | 11 | 0 - 15 | |
| 1/2" | 12.5 mm | -- | -- | |
| 3/8" | 9.5 mm | 4 | 0 - 5 | |
| 1/4" | 6.3 mm | -- | -- | |
| #4 | 4.75 mm | 2 | -- | |
| #200 | 75 um | .5 | 0 - 1 |
*Grading results are typical
Branch Availability
-
- A.R. Wilson Quarry
- 1900 Quarry Road
- Aromas, CA 95004
- 831.768.2380
Wilson #4 Arema 1-1/2" Railroad Ballast
