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Perlite P6 Extra Fine

Applications

Chemical Properties

Perlite P6 is an aluminium silicate. Typical composition is:

CompoundPercentage
Silicon73%
Aluminium15%
Iron (Fe2O3)2%
Sodium (Na2O)3%
Potassium (K2O)5%
Calcium (CaO) + Magnesium (MgO)1%
Others1%
pH6.5 - 7.5
Organic Matternil
Moisture Content (when packed)nil

Physical Properties

Expanded Perlite P6 is white with a nominal particle size of 0.075 - 1.70 microns.

Refractive Index0.5
Free Moisture (max)0.5%
pH of Water Slurry6.5 - 7.5
Softening Point890 - 1100oC
Fushion Point1280 - 1350oC
Specific Heat837J/kgK (0.2 cal/gc)
Thermal Condcuctivity (loose poured)0.028 - 0.032 w/mC
Thermal Conductivity (compacted)0.030 - 0.035 w/mC

Grading Specification

The bulk density of Perlite P6 is 40-50 kg/m3 .

Sieve Size% by weight passing
1.1890 - 100
600 micron70 - 90
300 micron35 - 55
150 micron10 - 30
75 micron0 - 10

Note: Nominal particle size indicates the 80% band i.e. up to 10% above of below the specified range