zeolite 4 A

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zeolite 4 A
Posting date : Nov 02, 2009
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28-
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4A Zeolite named Na12[(A1O2)12.(SiO2)12]27H2O and Molecular sieves,4A. White Solid granule. Pore diamete0.42nm,ratio surface 600m2/R,Not dissolve in water and organic solvents, can be dissolved in alkali and acids. Heated above 800 , re-form to silica-like structure. Can adsorbe moisture, liquids, gases and non-saturated organic material.Exchange capacity of calcium ions, theoretical exchange capacity of 352CaCO3mg / g, typically 290 ~ 320mgCaCO3 / g, whiteness ≥ 95%, pH value of 10 ~ 11.5, the apparent density of 0.3 ~ 0.5g/cm3, average particle size of 2μm , particle size distribution ≤ 4μm accounted for more than 85%. Usage: used as Phosphate-free detergent additives in place of sodium tripolyphosphate;used for drying, dehydration purification in the oil and other industrial gases and liquids, also used as a catalyst and water softener.

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