The following table lists typical properties of various lightweight aggregate materials [5].

 

Typical Properties of Various Lightweight Aggregate Materials
Type Dry Loose
Unit Weight
Bulk Specific
Gravity
1 Hour
Water Absorption
24 Hour
Water Absorption
(pcf) (kg/m) (kg/m) (%) Weight (% Weight)
Expanded Clay 37 600 1,300 25 30
Expanded Clay 47 750 1,300 8 11
Expanded Clay 50 800 1,450 8 11
Expanded Clay 45 700 1,250 7 NA
Expanded Clay 50 800 1,500 7 10
Expanded Clay 50 800 1,500 12 20
Expanded Slate 45 700 1,400 9 10
Expanded Slate 47 750 1,500 4 5


 

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