Astoria Grey
MINERALOGICAL COMPOSITION
CALCITE 98%
DOLOMITE 2%
CHEMICAL ANALYSIS (Weight %)
CaO 54,5- K20 <0,01
MgO 0,7 - Na2O <0,01
SiO2 0,7 - MnO 0,01
Fe2O3 42,8 - Al2O3 0,21
PHYSICAL AND MECHANICAL PROPERTIES
APPARENT SPECIFIC WEIGHT Kg/m3 2711Kg/m3
MODULUS OF RUPTURE din 52 112, (wet position) 17,83 MPa (182kg/cm2)
ABSORPTION COEFFICIENT wt% din 52 103 0,08%
MODULUS OFELASTICITY (ASTM C-170) 22,60 GPa
COMPRESSIVE STRENGTH Kg/cm2 din 52 105,( dry position) 89,41 N/mm2 (912 kg/cm2)
COMPRESSIVE STRENGTH AFTER FROST(din 52 104 & din 52 105) 71,85N/mm2 (1722kg/cm2)
COMPRESSIVE STRENGTH Kg/cm2 din 52 105,( wet position) 71,59N/mm2(730kg/cm2)
ABRASION RESISTANCE according to Boehme (din 52 108) 2,26 mm
MODULUS OF RUPTURE din 52 112,( dry position) 18,20 MPa (186kg/cm2)
MICROHARDNESS KNOOP (UNI - U.32.07.248.0) 40 cm
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Xiamen Fancies Industrial Co., Ltd
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XIAMEN SHUINAN MACHINE CO.,LTD.
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The request includes: 1. surface finished, size 2. quantity required