Mura Contact Zone Marble
Bulgaria
(Mura North, 30 km north of the Sandanski, 15 km northeast of Strumyani)
Physical Requirements for marble “MURA”
1. Volume density 2.705 g/cm3
2. Specially density 2.730 g/cm3
3. Absorption by weight 0.084 %
4. Compressive strength 78.80 MPa
5. Factor impregnate 0.25
6. Factor softness 0.94
7. Factor frost stability 1.00
8. Flexural strength) 11.10 MPa
9. Wear Deval 7.3%
Chemical composition for marble type “MURA”
CaCO3 ≈ 90 %
MgO ≈ 1%
SiO2 ≈ 8 %
Al2 O3 ≈ 1%
The request includes: 1. surface finished, size 2. quantity required
