Technical information PERLITE
Granular insulation for construction
Technical information
Technical data PERLITE
Characteristics PERLITE | |
---|---|
Color | White |
Shape | Grain |
Maximum usage temperature | 800°C |
Sintering temperature | 870°C |
Melting point | 1260°C |
Thermal conductivity* | λ10 = 0.04 – 0.06 W/m°K |
Specific heat | c = 838 J/kg°K |
Vapor diffusion resistance factor | μ = 3 |
Flammability (NEN 6064) | non-flammable |
Smoke rating (NEN 6066) | 0 |
pH | 6.5 – 8.0 |
*depending on the density of the material
Grain gradations
Gradation | Grain size | Weigth per m3 |
---|---|---|
Grain 1 | 0 mm – 1.0 mm | 65 kg ± 20% |
Grain 2 | 0 mm – 3.0 mm | 80 kg ± 20% |
Grain 3 | 0 mm – 6.0 mm | 90 kg ± 20% |
Grain A | 0 mm – 5.0 mm | 90 kg ± 20% |
Chemical analysis PERLITE
Elements | |
---|---|
SiO2 | 65.0 – 80.0% |
Al2O3 | 12.0 – 16.0% |
Fe2O3 | 0.5 – 1.0% |
H2O | 2.0 – 4.0% |
CaO | 0.5 – 2.0% |
Na2O | 3.0 – 4.5% |
MgO | 0.3 – 1.0% |