Perlite for use in gardening.
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pH6,5 - 7,5
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bulk density120 kg/m³
200 kg/m³ -
mass absorption300 ÷ 80 %
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absorption volume30 ÷ 15 %
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hygroscopic0,8 ÷ 0,2 %
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fire resistance850 ÷ 900 °C
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compressibility at 100 kPa28 ÷ 20 %
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Compressibility at 10 kPa23 ÷ 12 %
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compressive strength (at 10% whipping)0,14 ÷ 0,40 MPa
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specific heat0,96 ÷ 0,92 [kJ/kg°C]
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