Material description

Material ID: SRK03-S2

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

Additives (fire retardants, fillers or traces of inorganic elements): Aluminium (83%), Calcium (13%), Magnesium (2%), Silicon (1%), traces of other elements (<1%)

 

Table 1. Estimated mass concentration of compounds.
CompoundMass Concentration (%)
Aluminium (Al)83
Calcium (Ca)13
Magnesium (Mg)2
Silicon (Si)1
Traces of titanium (Ti)<1
Traces of potassium (K)<1
Traces of sodium (Na)<1
Traces of iron (Fe)<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 (%)
Al83
Ca13
Mg2
Si1
Ti<1
K<1
Na<1
Fe<1
...
Figure 3. EDXRF spectra. Counts vs energy. Identified elements are shown as vertical lines.