Report Date

August 31, 2021

Material Code

ROCC112-Black

Inventory

In Stock

Source Details

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1 ½” maximum black volcanic rock is a porous, round, black volcanic material. Commonly used in landscaping and xeriscaping, drainage and other backfill applications.

*Sieve analysis results may vary. Please contact Sunroc for the most recent results.

Call or email for availability and pricing

Sieve Results

ASTM C136 / AASHTO T27
Sieve Size% Passing*
100 mm (4")100
37.5 mm (1-1/2")100
25.0 mm (1")36
19.0 mm (3/4")6
12.5 mm (1/2")3
9.5 mm (3/8")2
4.75 mm (No.4")2
2.36 mm (No. 8)1
0.075 mm (No.200)1
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