When heated, perlite swells to 20 times its original volume, making it unique among volcanic glasses. It is used as an aggregate in lightweight insulating concrete, and masonry block gypsum is ...

EXPANDED perlite, which is made by rapidly heating small particles of suitable volcanic glass, has recently been used extensively as a lightweight aggregate for gypsum plaster and concrete in the ...

There are a whole class of additives that can help create those air pockets, and they include products like perlite, vermiculite, peat moss and coco coir. Knowing which to choose, and when to use ...

But just because your yard doesn’t have enough nutrients naturally doesn’t mean you can’t add more with the help of vermiculite or perlite, common soil additives. Both are generally neutral ...

Though the plant was closed and the industry reformed, people have, to some degree, made the switch to perlite. Perlite is made from a mined volcanic glass of the same name. As a raw material it ...

The "Perlite and Vermiculite Global Market Review 2017/2018" report has been added to ResearchAndMarkets.com's offering. The report presents a thorough study of perlite and vermiculite ...