Products

80/20 Mix

Specifications Chart

PARTICLE SIZE (ASTM F1632) USGA REC. 80/20 Mix
Soil Separate %
Sand (%) ≥ 92% 98.4%
Silt (%) ≤ 5 % < 1.0
Clay (%) ≤ 3 % < 1.0
Sieve Size/Sand Fraction 
Sand Particle Diameter (% retained)
0.00%
No. 10 Gravel
2mm
≤ 3 %
≤ 10% combined
0
 No. 18 V. Coarse
1mm
≤ 3 %
≤ 10% combined
6.7
No. 35 Coarse
0.5 mm
≥ 60% combined 36.4
No. 60 Medium
0.25 mm
≥ 60% combined 43.1
No. 100 Fine
0.15 mm
≤ 20% 10.2
No. 270 V. Fine
0.05 mm
≤ 5% 2.0
Physical Properties
Total Porosity (%)* 35 – 45 40.5
Capillary Porosity (%)* 15 – 25 17.5
Aeration Porosity (%)* 15 – 30 23.0
Bulk Density (g/cc)*  – 1.60
Particle Density (g/cc)**  – 2.69
Infiltration Rate in/hr > 6 25.5
Infiltration Rate cm/hr > 15 64.9

PARTICLE SHAPE / pH / PARTICLE SIZE PARAMETERS / INFILTRATION RATE

Shape Sphericity Angular to Sub-Rounded
pH 1:1 6:9
Uniformity Coefficient Cu 2.6
D15 mm 0.25
D85 mm 0.85
Organic Matter % Dry Wt. 0.92
Test Method Notes
Lab ID# 40287-1. Tested by Turf & Soil Diagnostics as received on April 27, 2015 and reported May 1, 2015. Condition of sample: normal. Physical properties tested to ASTM F-1815 standards. Particle size tested to ASTM F1632 standards. Other methods include ASTM D4972, method A, 25g sample used and ASTM F1647.