Chillagoe Perlite 100L Bag

$30.00

Perlite is not a trade name but a generic term for naturally occurring siliceous rock. The distinguishing feature which sets Perlite apart from other volcanic glasses is that when heated to a suitable point in its softening range, it expands from four to twenty times its original volume.

This expansion is due to the presence of 2% to 6% combined water in the crude Perlite rock. When quickly heated to above 871 degrees Celsius, the crude rock pops in a manner similar to popcorn as the combined water vaporizes and creates countless tiny bubbles which account for the amazing light weight and other exceptional physical properties of expanded Perlite.

The expansion process also creates one of Perlites most distinguishing characteristics, its white colour. While the crude rock may range from transparent light grey to glossy black, the colour of expanded Perlite ranges from snowy white to greyish white.

Expanded Perlite can be manufactured to weigh as little as 32kg/m3 making it adaptable for numerous applications.

Perlite is an all-natural mineral with and indefinite shelf life. It is non-toxic and environmentally-friendly, superior quality, sterile, free of weeds and pathogens, clean, odourless, lightweight and safe to handle. Perlite is a form of natural glass, is classified as chemically inert and has a pH of approximately 7

 

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