Specification :

granite black headstones

1. Characteristic:
Density: about 3.5g/ cbm-4.5g/ cbm
Water absorption: 0.04%
Bending strength: 37.6Mpa
Compressive strength: 259.7Mpa.
Brightness: over 92.
Polishing degree: over 100 degree.

2.The most common size: 100* 50* 8, 80* 40* 8, 120* 60* 8, 140* 70* 8, etc.

3.Tolerance of thinckness: 1cm: + / -0.5mm; 1.8cm: + / -1mm; 2cm: + / -2mm;

4.Material: black granite, China black granite, Shanxi black granite, Hebei black granite, mongnlia black granite and so on.

5.common packing: plastic film and foam inside and strong wooden crate outside.

6. Usage: cemetery, memorial, garden.

7.prodece progress: Material’ cut to size’ polish’ bundle’ packing