Project Description
Technological tests
Contact person: Pietro Bruzzi – bruzzi@centroceramico.it – Mobile: +39 340 6885491
Clay pavers
- Acid resistance UNI EN 1344 – app. G
- Slip/skid resistance UNI EN 1344 – app. F
- Dimensional characteristics UNI EN 1344 – app. B
- Abrasion resistance UNI EN 1344 – app. E
- Transverse breaking load UNI EN 1344 – app. D
- Freeze/thaw resistance UNI EN 1344 – app. C
Masonry units – UNI 771-1
- Compressive strength UNI EN 772-1
- Water absorption UNI EN 771-1 Annex C
- Water absorption UNI EN 772-7
- Dimensions UNI EN 772-16
- Flatness of faces UNI EN 772-20
- Percentage of voids UNI EN 772-3
- Percentage of voids UNI EN 772-9
- Thickness measurement UNI EN 772-16
- Moisture expansion UNI EN 772-19
- Initial rate of water absorption UNI EN 772-11
- Frost resistance R.D. 2233 16/11/39
- Compressive strength before frost resistance R.D. 2233 16/11/39
- Compressive strength after frost resistance R.D. 2233 16/11/39
- Frost resistance UNI CEN TS 772-22
Elements for discontinuous laying – UNI 8635
- Clay roofing tiles
- Flexural strength UNI EN 538
- Quality control EN 1304
- Dimensional measurements EN 1024
- Determination of the uniformity of the diagonal outline EN 1024
- Flatness EN 1024
- Straigthness of sides EN 1024
Chemical analysis and mixing behaviour
Contact person: Andrea Bernasconi – bernasconi@centroceramico.it – Direct phone number: +39 345 8410333
Chemical analysis by ICP-OES UNI EN ISO 21587-1 and UNI EN ISO 21587-3
- Clays and equivalent (9 determinations) P.F., SiO2, Al2O3, TiO2, Fe2O3, CaO, MgO, K2O, Na2O
- F melting and distillation
- Sulphates – Determination by ICP-OES spectrometry – EN ISO 10304-1, EN ISO 10304-2
- Sulphates – gravimetric determination
- Total sulphur (MD 13/09/1999 “Official Methods of chemical analysis of the soil”)
- Total organic substances (MD 13/09/1999 “Official Methods of chemical analysis of the soil”)
- Total CaCO3 (MD 13/09/1999 “Official Methods of chemical analysis of the soil”)
Total soluble salts
- Total soluble salts (RD 16/11/1939, no. 2233)
- RD – quali-quantitative determination of solubile extract
- Active soluble salts content EN 772-5
Mixing behaviour
- Atterberg plasticity
- Pfefferkorn plasticity
- Plasticity – Methylene blue method
- Drying behaviour
Surface texture characterisation; colour, reflectance measurements
Contact person: Barbara Mazzanti – mazzanti@centroceramico.it – Mobile: +39 340 9631182
Colour and reflectance measurements
- Determination of the average solar reflectivity and measurement of solar reflectance index (SRI) ASTM E 903-12 and ASTM E 1980-11
- Determination of Light Reflectance Value (LRV) ASTM C 609-20
- Determination of Light Reflectance Value (LRV) AS 1428.1:2009, App. B
- Determination of Light Reflectance Value (LRV) BS 8493:2008 + A1:2010
- Determination of thermal emittance ASTM C 1371-04a
- Transmittance, reflectance or absorbance spectra
- Determination of solar absorptance ASTM E903-12 and EN 410-11:2011 (E)
- Colour coordinates
Surface roughness and texture
- Surface roughness measurement; determination of the parameters EN ISO 4287
- 3D surface profile and/or imaging
- Surface mapping
- Data processing and 3D images of the surface
Mineralogical and microstructural characterisation, functional performance (thermal conductivity, photocatalysis, antibacterial, …)
Contact persons:
- Barbara Mazzanti – mazzanti@centroceramico.it – Mobile: +39 340 9631182
- Giovanni Ridolfi – ridolfi@centroceramico.it – Mobile +39 345 9317030
XRD analysis
- XRD analysis (with or without interpretation)
- Quantitative XRD
Microscopic analysis
- SEM observation
- EDS Microanalysis
- Stereomicroscope observation
- Optical microscope observation
- Images
- Quantitative microscopic analysis (porosity and pore/grain size distribution, etc.
Thermal conductivity and firing behaviour
- Thermal conductivity (direct or indirect measurement from thermal diffusivity and specific heat)
- Pyroplastic deformation
Photocatalysis and resistance to mould, bacteria; cleanability and durability
- Photocatalysis tests (internal protocol, ISO 10678, ISO 22197, …)
- Antibacterial tests for photocatalytic surfaces (internal protocol, ISO 27447, …) and non-photocatalytic surfaces (internal protocol, ISO 22196, …)
- Determination of the resistance to mould colonisation for photocatalytic and non-catalytic surfaces (internal protocol, BS 5980)
- Durability tests for surface treatments/finishes/functionalisation
- Cleanability tests for photocatalitic or non-photocatalytic surfaces (internal protocol, ISO 27448)
Thermal analysis, wettability, density
Contact person: Giovanni Ridolfi – ridolfi@centroceramico.it – Mobile: +39 345 9317030
Thermal analysis
- Heating microscope
Determination of contact angle
Density
- Determination of the density by helium pycnometer
Dilatometry
- Thermo dilatometric analysis (green), heating up to 1000 °C and cooling
- Coefficient of thermal expansion M.D. 09/01/96 Annex 7
- Coefficient of linear thermal expansion ASTM E 831
Mercury porosimetry
Mechanical characterisation
Contact person: Barbara Mazzanti – mazzanti@centroceramico.it – Mobile: +39 340 9631182
Bending strength
- Bending strength and elastic modulus (fired specimens)
- Bending strength and elastic modulus (green specimens)
- Bending strength of 30 specimens with Weibull statistics