PRAIRIE stone as compared to ASTM
Specifications
|
ASTM TEST
|
ASTM REQUIREMENT
|
TEST RESULTS
|
ASTM C-140
Absorption (LBS./CU. FOOT)
|
13 Maximum
|
8
|
ASTM C-140
Compressive Strength (PSI)
|
1900 Minimum
|
4000 Average
|
ASTM C-140
Density (LBS./CU. FOOT)
|
125 + Normal Weight
|
130
|
ASTM C-426
Shrinkage
|
0.065
|
0.030
|
ASTM C-1262
Freeze/Thaw Durability
|
10% Maximum
|
<
1%
|
PRAIRIE stone Physical Properties
|
Unit Size
|
Weight Per Unit
|
Square Foot
Coverage Per Unit
|
|
4 x 4 x 24
|
24
|
0.67
|
|
4 x 8 x 24
|
48
|
1.34
|
|
4 x 12 x 24
|
77
|
2.00
|
|
4 x 16 x 24
|
103
|
2.67
|
|
4 x 4 x 16
|
16
|
0.45
|
|
4 x 12 x 16
|
48
|
1.34
|
|
4 x 16 x 16
|
65
|
1.78
|
|
