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Home > Main Index > Expanded Perlite Product Data > Typical Elemental Analysis

Typical Elemental Analysis

Silicone: 33.8
Aluminum: 7.2
Potassium: 3.5
Sodium: 3.4
Iron: 0.6
Calcium: 0.6
Magnesium: 0.2
Traces: 0.2
Oxygen (by Difference): 47.5
Net Total


Bound Water 3.0
Total %


* The analysis is shown in elemental form even though the actual forms present are mixed glassy silicates.  Free silica may be present in small amounts.   More specific information can be obtained from the ore supplier involved.

Information given herein is from sources considered reliable, but no guarantee of accuracy can be made or liability assumed.  Your supplier may be able to provide you with more precise data.  Certain compositions or processes involving perlite may be the subject of patents.
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