Perlite is a kind of volcanic erupted acidic lava. It is a vitreous rock formed by rapid cooling. It is named because of its pearl fissure structure. 
Perlite mines include perlite, obsidian and turpentine. 



| item | value | 
| Place of Origin | China | 
| Hebei | |
| Brand Name | YuChuan | 
| Model Number | YC245 | 
| Application | construction;agriculture;horticulture | 
| Shape | power | 
| Chemical Composition | SiO2 70%±,H20 4~6%,Fe2O3 | 
| Product name | Perlite | 
| Usage | construction;agriculture;horticulture | 
| Type | Expanded Perlite | 
| Bulk density: | 60-100kg/m3 | 
| Shap | Perlite | 
| Place of Origin | Hebei, China | 
| SiO2 Content (%) | 70-75% | 
| Al2O3 Content (%) | 12-16% | 
| Na2O Content (%): | 2.5-5.0% | 
| Loss On Ignition | <1.0% | 

