A natural volcanic glass similar to obsidian but having distinctive concentric cracks and a relatively high water consistent. Expanded Perlite: Througn preheating and burnning instantly in high temperature, crushed perlite can expanded many times its original volume and become honeycomb pellets, which be called as expanded perlite. It is non-toxic, tasteless, nonconbustible, acid-resistant and alkali-resistant.
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Company Name︰
Shijiazhuang World Imp&Exp Trade Co., Ltd
Company Address︰
11-C-301, No.448 Heping West Road, Shijiazhuang, China