Perlite - Technical data

Perlite is the generic name for a naturally occurring siliceous volcanic rock. We are manufacturing the Norlite ® Perlite in one of our special kilns at temperatures of more than 1000o C, whereby the original raw material is expanding up to 20 times its original volume, and we achieve a new product : a white, sterile granular. This expanded product is afterwards milled and create a Perlite filter aid.


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