attapulgite clay
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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