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Natural & Physical Properties

Modern Bioclimatic Architecture seeks for natural and neutral products to improve building functions and reduce their environmental footprint. Expanded Perlite as a natural mineral meets the highest of Engineering’s standards and delivers exceptional thermal and accoustic insulation on floors, roofs and walls. It is a non–combustable, neutral, odourless and lifetime natural mineral.

NATURAL PROPERTIES OF EXPANDED PERLITE
• Ultra-Lightweight (low specific weight)
• Chemically inert
• Odourless
• Thermal insulation
• Acoustic insulation
• Easy to use
• Environmentally friendly
• Non – combustible
• Neutral pH
• Sterile – free of weeds, bacteria and pathogens

 

 

«The above characteristics, along with the fact that the energy consumed in the process is low, make perlite an ECO-CLEAN product.»

 

PHYSICAL PROPERTIES
•Colour: White.
•Specific Gravity:0.22
•pH (of water slurry, 20⁰C): 6.5 - 7.5.
•Moisture: 0.3%.
•Grain sizes: 0–1 mm / 0-3mm / 2–6 mm.
•Softening point: 850 – 1,100 ⁰C.
•Melting Range: 1,260 – 1,343 ⁰C.
•Thermal Conductivity: 0.043 – 0.063 W / m 0K.
•Flash Point: Non - flammable (class A1 - DIN 4102).
•Explosion limits: None.
•Loose Bulk Density: 55 - 120 kg/m3.