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GEOLOGICAL CLASSIFICATION |
QUARTZITE/QUARTZOLITE |
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TESTS |
NORMA |
RESULTS |
SPECIFICATION ABNT NBR15844 |
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Density |
ABNT NBR15845:2 |
2.624kg/m³ |
> 2.550 |
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Porosity |
ABNT NBR15845:2 |
0,20% |
1 |
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Water Absortion |
ABNT NBR15845:2 |
0,09% |
< 0,4 |
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Hard Body Impact |
ABNT NBR15845:8 |
0,44m |
< 0,3 |
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Abrasion Strength |
ABNT NBR12042 |
0,57m |
< 1,0 |
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Flexural Strength |
ABNT NBR15845:7 |
9,3 MPa seco 6,2 MPa satu* |
> 8,0 – |
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Compressive Strength |
ABNT NBR15845:5 |
234 MPa seco 199 MPa satu |
> 100 – |
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Rupture Module (3pts.) |
ABNT NBR15845:6 |
12,9 MPa seco 13,2 MPa satu |
> 100 – |
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Module Rupture Associated with Freezing and Thawing |
ABNT NBR15845:4 |
13,8 MPa |
– |
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Slip Resistance |
EM14231 |
45 Baixo SRV* seco Alto SRV satu |
– – |
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55 Baixo SRV* seco Alto SRV satu |
– – |
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*SRV – slip resistance value (potencial deslizamento) *satu (saturado) |
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Classification
Type: QUARTZOLITE
About
Nelore – A Natural Exotic Stone by SuperClássico Natural Stones
Composition
Surface Finishings
Polished
It is the “shiny” surface that results in the plate when receiving the complete finish, that is, until the last grain. Depending on its composition, the polished material may have a higher or lower brightness intensity.
Brushed
It is the resultant surface in the sheet when it receives roughing treatment performed by steel brushes or synthetic materials. Different brushing models can be executed, with greater roughness, medium and few.
Soft Leather
It is the resultant surface in the sheet when it receives roughing treatment performed by steel brushes or synthetic materials. Carried out with a brush of low roughness, which gives it a lightly textured look like fabric.
Flamed
It is the resultant surface in the plate when it receives heat treatment (burned with torch specially developed for the function) that takes out small flakes of the same, making the surface slightly irregular producing the impression that it is rustic.
Honed
It is the resultant surface on the sheet when receiving abrasive grinding wheels up to the grain 120. This grain defines the surface finish limit either as anti-slip or even for the application of resin and subsequent polishing.
Leather Finish
It is the resultant surface in the sheet when it receives roughing treatment performed by steel brushes or synthetic materials. Depending on the type of brushes used you can still reproduce in some materials a surface with a design similar to natural leather.
