perlite

We can suply good qulity of perlite both expanded and
Perlite is an acidic rhyolitic glass that contains 2% -6% combined water. It ejects from volcano and then becomes a volcanic glass after cooled.
Perlite ore becomes material sandstone which has different particle distribution after crushed and sized.
Expanded perlite : The perlite ore becomes a kind of white particle material whose internal structure is alveolate.
Physical and chemical characteristics : White particle (alveolate structure), Nontoxic, flavorless, noncrossive, Neutral pH6,pH6.5-7.5, nonflammable, acid-resistant, alkali-resistant, Lightweight
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Caracteristics:
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as per cataloge