Factory Expanded Perlite Price
The expanded perlite is the perlite ore preheating and instantaneous high temperature baking expansion is made of an internal honeycomb structure of white granular materials. The principle is: Perlite ore by crushing formed a certain size of ore, the preheating and baking, rapid heating (above 1000 DEG C) and sand moisture vaporizing and in softening containing glassy sand internal expansion, the formation of porous structure.
Perlite Expanded For Planting Vegetables
H.S code:2530102000 or 6806200000
Appearance:white color ,granule shape
Bulk density:80-120kgs/m3
Certificate of analysis
SiO2 |
68-74% |
MgO |
0.3% |
Al2O3 |
12-16% |
Fe2O3 |
0.1-2% |
CaO |
0.15-1.5% |
K2O |
1-4% |
Na2O |
4-5% |
Lingshou County Zhongrun Minerals Co., Ltd. was established in 2008 as a professional Manufacturer&Exporter to provide various mineral and chemicals products,including vermiculite,mica,perlite,calcium carbonate,color sand etc.
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