Tell a Friend
About Perlite!



Typical Physical Properties

Color   White
Refractive Index   1.5
Free Moisture (max.)   5%
pH (of water slurry)   6.5-8.0
Specific Gravity   2.2-2.4
Softening Point   1600-2000°F
Fusion Point   2300-2450°F
Specific Heat   0.2 Btu/lb.°F
Thermal Conductivity @ 75°F   .27 - .41 Btu.in/h.ft2.°F
Bulk Density  

2-10 lbs./cu. ft.

Mesh Size   4 mesh & finer
Solubility   in hot concentrated alkali & HF
Moderately (<10%) in 1N NaOH
Slightly (<3%) in mineral acid
Very Slightly (<1%) in water & mineral acids

  

 

 

  
 HOME | ABOUT US | PRODUCTS | TECH INFO/MSDS | DISTRIBUTORS | INDUSTRY LINKS | FAQS | CONTACT
© 2003 Supreme Perlite Company. All Rights Reserved.
Tel: (503) 286-4333 | Email: info@perlite.com