attapulgite clay

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attapulgite clay
Posting date : Oct 15, 2009
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HS-CODE
25-
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Detailed Description
Structrue and Composition Attapulgite is a kind of crystalloid hydrous magnesium-aluminum silicate mineral, having a special laminated chain structure in which there is a crystalline lattice displacement existed. Thus it makes the crystals contain uncertain quantities of Na+, Ca+, Fe3+ and Al, and present in the shape of needles, fibers or fibrous clusters. Its ideal molecular formula is:Mg5Si8O20(HO)2(OH2)4·4H2O. And the theoretical chemical component is SiO2 56.96%, (Mg, Al, Fe)O 23.83%, H2O 19.21%. Features Sanitation Specification: Arsenic <=0.5 mg/kg Lead <=1 mg/kg Mercury <=0.03 mg/kg Technical Specifications: Granularity, Ø1-4mm% >= 90 Deposit Density, g/ml ~ 0.90 Saturated Water Absorption (25oC), % >=50 Water Absorption Speed (25oC, relative humidity 40%, 7 hours)% >=22.48 Loss Rate, % <=1.5 Water Content for Packaged Product, %<=2.0 Application 1.Construction industry 2. Agriculture,graziery,mixed farming 3.textile, 5.geological exploration, marine drilling 6.Bleaching and water treatment 7.washing auxiliary detergent 8.molecular sieve 9.desiccating agent 10.Cosmetic Raw Materials 11.Plastics and rubber filler 12. Others

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