Perlite is a naturally occurring siliceous volcanic glass lava containing combined water, falling into the category of igneous 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 two to six percent combined water in the crude perlite rock. When quickly heated to 11801350 ℃ , 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.
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Perlite ore / expanded perlite
Perlite ore / expanded perlite
Price: | 200.0~500.0 USD |
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Trade Term: | FOB |
Payment Terms: | T/T,L/C,D/A,D/P |
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Basic Info.
- Brand Name: YONGHENG
- Model No.: 2013049
- Place of Origin: Hebei
- Min.Order: 11 Metric Ton
- Means of Transport: Ocean
Supply Capacity
- Production Capacity: 2000t
- Packing:PP or PE,as you require
- Delivery Date: 50DAYS
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