Perlite Information

 

Chemical Composition
SiO2 72 – 76%
Al2O3 11 – 17%
CaO 0.5 – 2%
MgO 0.1 – 0.5%
Fe2O3 0.5 – 1.5%
K2O 4 – 5%
Na2O 3 – 4%
Wall Area

 

Core Fill Cavity Fill
Block size Cavity Width
6 in 8 in 12 in 1 in 2 in 3 in
100 sq ft 5 bags 7 bags 12 bags 2 4 6
500 sq ft 23 33 58 10 21 31
1000 sq ft 46 65 118 21 42 62
2000 sq ft 91 130 236 42 84 125
3000 sq ft 137 195 354 62 124 187
Physical Properties
Color White
Free moisture 0.5%
PH neutral
Specific gravity 2.2-2.4
Bulk Density 70 – 120kg/m3
Softening point 890-1100oC
Fusion point 1280-1380oC
Specific heat 0.2

perlite-institute-logo-wMasonry Fill Brochure.

Safety Data Sheet.

Links:

The Perlite Institute Inc. The Perlite Institute is an international trade organization, dedicated to the perlite industry.