Material description

Material ID: SRK05-S2

Material type: Glass fibre reinforced aluminium sarking with a backing containing polypropylene (PP) and inorganic filler.

Additives (fire retardants, fillers or traces of inorganic elements): Aluminium (94%), Calcium (2%), Magnesium (2%), Chlorine (2%), traces of other elements (<1%)

 

Table 1. Estimated mass concentration of compounds.
CompoundMass Concentration (%)
Aluminium (Al)94
Calcium (Ca)2
Magnesium (Mg)2
Chlorine (Cl)2
Traces of sodium (Na)<1
Traces of silicon (Si)<1
Traces of iron (Fe)<1
Traces of potassium (K)<1

A. Material composition identification

A.2 Energy Dispersive X-Ray Fluorescence (EDXRF)

Table 2. Inorganic elements and their mass concentration identified with EDXRF.
ElementMass Concentration (%)
Al94
Ca2
Mg2
Cl2
Na<1
Si<1
Fe<1
K<1
...
Figure 3. EDXRF spectra. Counts vs energy. Identified elements are shown as vertical lines.