Wilson Type I Slurry Seal Aggregate

This crushed granite product is used specifically for Cal Trans slurry seal projects,and meets Cal Trans Section 37-8 for slurry aggregates. This aggregate is typically grayin color.

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Sieve Analysis

Inches MM / UM A.R. Wilson Grading Cal Trans Specification
#4 4.75 mm 100 100
#8 2.36 mm 90 90 - 100
#16 1.18 mm 68 60 - 90
#30 600 um 48 40 - 65
#50 300 um 33
#100 150 um 25
#200 75 um 17 10 - 20

ASTM Specifications & Physical Properties

Sand Equivalent ≥ 50 Fine Durability ≥ 65

Branch Availability