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CHEMICAL COMPOSITION OF VERMICULITE

ELEMEMT	SiO2	Al2O3	Fe2O3	CaO	MgO	TiO2
CONTENT	37.56	11.85	5.15	1.51	22.44	1.05
ELEMEMT	K2O	P2O5	S	MnO	H2O	LOST
CONTENT	6.39	0.085	0.046	0.030	7.18	6.71

VERMICULITE CONCERNTRATE (50KG WOVEN BAGS & TONNAGE BAGS)

SIZE	DENSITY	GRADE	MOISTURE	IMPURITY	EXPANSION VOLUME
0.1-0.6	0.8-1	85min	6max	8max	4min
0.25-0.71	0.8-1	85min	6max	8max	5min
0.3-1	0.8-1	85min	6max	8max	6min
0.71-2	0.8-1	85min	6max	8max	8min
1.4-4	0.8-1	85min	6max	10max	9min
2.8-8	0.8-1	85min	6max	12max	10min

Characteristics of Vermiculite

---High water holding capacity
---Inorganic，inert and sterile 
---Disease free，non toxic 
---Absorbs excess nutrients 
---Non abrasive   
---Near neutral PH  
---Good air holding capacity
---Won＇t deteriorate in storage
---Insulates and minimizes soil temperature fluctuation 

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