Material description

Material ID: SRK01-S2

Material type: Glass fibre reinforced aluminium sarking with polypropylene backing.

Additives (fire retardants, fillers or traces of inorganic elements): Aluminium (96%), Magnesium (1%), Chlorine (1%), Calcium (1%), traces of other elements (<1%)

 

Table 1. Estimated mass concentration of compounds.
CompoundMass Concentration (%)
Aluminium (Al)96
Magnesium (Mg)1
Chlorine (Cl)1
Calcium (Ca)1
Traces of titanium (Ti)<1
Traces of sodium (Na)<1
Traces of silicon (Si)<1
Traces of iron (Fe)<1

A. Material composition identification

A.1 Attenuated total reflection – Fourier transform infrared spectroscopy (ATR-FTIR)

Table 2. FTIR compound identification.
Identified Compounds
Aluminium (Al)

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

Table 2. Inorganic elements and their mass concentration identified with EDXRF.
ElementMass Concentration (%)
Al96
Mg1
Cl1
Ca1
Ti<1
Na<1
Si<1
Fe<1
...
Figure 3. EDXRF spectra. Counts vs energy. Identified elements are shown as vertical lines.