Dekorační kameny, vápence a vybrané písky ČR - Ochoz u Brna I

Ochoz u Brna I

Limestone

Parameter	Value	Unit
Optimal burning temperature (calculation from the time of slaking)	1025	°C
Optimal burning temperature (calculation from the temperature of slaking)	1100	°C
Actual burning temperature	1065	°C
Degree of whiteness and coluration::
L	71,4	-
a	1,2	-
b	6,9	-
Conversion to BaSO₄	79,36	%

Burnt lime

Parameter	Value	Unit
Reactivity of lime:
Maximum temperature of slaking T_max	77,9	°C
Time necessary to achievement T_max	2,4	min
Total content of CaO	93,85	%
MgO	1,61	%
CO₂	0,2	hm.%
Content of free lime/td>	91,04	hm.%
Content of SiO₂ and acid-insoluble part	2,44	hm.%
Sulphates content in lime	< 1	%
Loss on ignition	0,4	hm.%
Total water content	< 1	hm.%
Degree of whiteness and coloratin::
L	81,6	-
a	0,87	-
b	10,9	-
Conversion to BaSO₄	90,64	%
Capacity	26,3	dm³/10 kg

Slaked lime

Parameter	Value	Unit
Settling after 20 hours	32	% obj.
Particle size distribution of lime hydrate:
Particle size D10	2,39	µm
Particle size D50	13,9	µm
Particle size D90	41,3	µm
Setting time	8 h 10 min/20 h	-

Standardized mortar

Parameter	Value	Unit
Water retention	99,21	%
Value of penetration	40	mm