Technical information PERLITE
Granular insulation for construction
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Lightweight additive for cementitious concrete and plaster
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Insulation and levelling floors
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Chimney and fireplace insulation
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Fire-resistant filling for pipe ducts and cavity walls
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% |
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