PERLITE APPLICATIONS
GRADED RAW PERLITE APPLICATIONS
EXPANDED PERLITE APPLICATIONS
GRADED RAW PERLITE APPLICATIONS
EXPANDED PERLITE APPLICATIONS
REQUEST A QUICKONLINE ESTIMATE
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Products and Applications
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Perlite is a generic term for naturally occurring siliceous rock. It is a form of natural volcanic glass with 70-76% amorphous silica). It expands 4-20 times its original volume, when rapidly heated to its softening temperature range (above 850oC), due to the presence of “combined water” (2-6%). Perlite expansion is taking place as the H2O molecules vaporize and create numerous tiny bubbles, which account for its exceptional physical properties and mainly its’ cellular structure, light weight (30-150 kg/m3) and low thermal conductivity.