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Perlite Chimney Lining Grade

Applications

  • Chimney Lining (loose-pour or mixed with OPC)
  • Fireplace slabbing
  • Lightweight concrete
  • Pipe and duct insulation
  • Insulation around chimneys

Chemical Properties

Perlite PCLG is an aluminium silicate. Typical composition is:

Silicon (SiO2)

73%

Aluminium (Al2O3)

15%

Iron (Fe2O3)

2%

Sodium (Na2O)

3%

Potassium (K2O)

5%

Calcium (CaO) + Magnesium (MgO)

1%

Others

1%

pH 6.5 - 7.5
Organic Matter nil
Moisture Content (when packed) nil

 

Physical Properties

Expanded Perlite PCLG is white with a nominal particle size of 1.0 - 5.0 mm.

Refractive Index

1.5

Free Moisture (max)

0.5%

pH of Water Slurry

6.5 - 8.0

Softening Point

890 - 1100oC

Fushion Point

1280 - 1350oC

Specific Heat

837J/kgK (0.2 cal/gc)

Thermal Conductivity 0.05 w/mC
 

Grading Specification

 The bulk density of Perlite PCLG is 80 - 100 kg/m3

Sieve Size

% by weight passing

4.75 85 - 100

2.40

35 - 75

1.70

5 - 20

1.20

0 - 10

600 micron

0 - 5

 

Packaging

Perlite PCLG is normally supplied in plastic sacks containing 100 litres (approximately 3.5ft3). Alternative packaging is available to order.

 

Health and Safety

Expanded Perlite PCLG is a heat-processed, inorganic material and since no chemical changes occur it is considered non-reportable. However it is advisable to study the Perlite Material Safety Data Sheet compiled in accordance with COSHH/CHIP Regulations.

 

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