Alabastro Clouds, Spain White Alabaster Slabs & Tiles

TECHNICAL ESPECIFICATIONS:
?Mineral:
Variety of plaster. Massive and competent. Thinly cristallized. Clear colours and translucent.
?Composition: Hydrated calcium sulphate with two molecules of water(SO4Ca+2H2O). Aprox. proportions: SO3=43%; Ca=35% y H2O=22%.
?Rate of water absorption: ≤60°C=0%; at 110°C=5,2%.
?Hardness: 47 kg/mm (Mohs scale).
?Porosity: 0,15%.
?Specific gravity: 2,4 gr/cm3
?Average index of ice resistence:
Drying at 40°C=0,94%
Drying at 60°C=0,68%.
?Resistence to thermal changes:
40°C=weight variation 2,8% and resistence to pliability 68,4 kg/cm2
60°C=weight variation 3,0% and resistence to pliability 8,8 kg/cm2
?Resistence to compression: 200 kg/cm2 , ice tested, up to 60°C its resistence can be reduced up to 35%.
?Module of elasticity: 32 kg/cm2
?Resistence to pliability: 82 kg/cm2
?Resistence to acids:
Weight variation 0,6% and loss of resistance to pliability 20%.
?Resistence to impact: 38,3 cm.
?Performance in front of light:Opaque at 110°C.