 |
Haddington Weathered Face Blend
|
| Physical Stone Properties. | Silica
| | 70.5% | Alumina and ferric oxide
| | 18.7% | Lime
| | 2.7% | Magnesia
| | Trace | Loss on ignition
| | 0.8% | Specific Gravity
| | 2.67 | Weight per cubic foot, lbs
| | 143.41 | Pore space, per cent
| | 13.96 | | Ratio of absorption, per cent, | one hour
two hours
in vacuo
under pressure
| 3.18
3.29
6.00
6.07 | | Coefficient of saturation, | one hour
slow immerion
in vacuo
| | | Crushing strength, lbs. Per sq.in | dry
wet
wet after freezing | 18,428
13,847
11,415 | | | | | | | | |
|
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