Dekorační kameny, vápence a vybrané písky ČR - Štramberk I

Štramberk I

Limestone

Parameter	Value	Unit
Optimal burning temperature (calculation from the time of slaking)	1104	°C
Optimal burning temperature (calculation from the temperature of slaking)	1150	°C
Actual burning temperature	1130	°C
Degree of whiteness and coluration::
L	83,4	-
a	0,46	-
b	6,64	-
Conversion to BaSO₄	92,6	%

Burnt lime

Parameter	Value	Unit
Reactivity of lime:
Maximum temperature of slaking T_max	78,6	°C
Time necessary to achievement T_max	11,4	min
Total content of CaO	96,26	%
MgO	1,1	%
CO₂	< 0,5	hm.%
Content of free lime/td>	93,23	hm.%
Content of SiO₂ and acid-insoluble part	1,88	hm.%
Sulphates content in lime	< 0,5	%
Loss on ignition	0,2	hm.%
Total water content	< 1	hm.%
Degree of whiteness and coloratin::
L	80,5	-
a	0,95	-
b	9,56	-
Conversion to BaSO₄	89,4	%
Capacity	25,1	dm³/10 kg

Slaked lime

Parameter	Value	Unit
Settling after 20 hours	24	% obj.
Particle size distribution of lime hydrate:
Particle size D10	0,17	µm
Particle size D50	5,32	µm
Particle size D90	14,3	µm
Setting time	21 h 25 min/29 h 25 min	-

Standardized mortar

Parameter	Value	Unit
Water retention	99,60	%
Value of penetration	35	mm