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Perlite

Pertile is an acidic volcanic glass with pearl structure. After heating, it can expand to 12-15times, It possesses the characteristics of very light, thermal insulation,sound insulation, strong ab-sorption etc--- It is used in such industries as new build-ing materials, petroleum chemistry, metallurgy, casting, agriculture, food filter, and environment protection.

Chemical elements

Element	S1O2	At2O3	Fe2O3	CaO	MgO	K2O	Na2O
Content	73.4	13,47	1.24	2.49	0.19	3.SS	3.05

Pecification and quality

Spe.	Capacity kg/m3	Ratio	Water contcut %	Thermal conductivity (kcal/m.h.w)
4 -7mm	<120	<10	<10	<0.045
3 -6mm	<90	<8	<8	<0.045
2 - 4mm	<80	<8	<8	<0.045
0.2 -0.5mm	<50	<0.55	<2	<0.045

联系我们

联系电话：+86 10 64640086

传真：86-10-84552201 84512245

Mail：grc@grand-resources.com.cn

地址：Beijing Office Rm.1810 Golden Land Building.No.32 Liang Ma Qiao Road. Chaoyang District,Beijing 100016 China

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