Huiying Chemical Industry are one of the largest 4A ZEOLITE manufacturer in Southern China. Our 4A Zeolite quality is very high grade, and size is only1-2um. Now, Over 80% supply for P&G Asia/Japan Kao. So you don't worry for our quality. Parameter, pls check as below. 
----4A ZEOLITE DETERGENT (NA2O.AL2O3.2SIO2.4.5H2O) -------- 
Item Limits Test Method 
Ignition loss (800 DEGREE,1h) 20+/-1% Q/QZH01-94,5.4 
C.E.C Ca Ion exchangecapacity QB 1768-93 
mgCaCO3 (dry) 320+/-10mgCaCO3/g 
C.E.R.:3 minutes >170mgCaCO3/g 
C.E.R.:10minutes >200mgCaCO3/g 
PH (Suspension 1% 25 DEGREE) <11 Q/QZH01-94,5.5 
White grade (w=y) 97+/-0.5% GB/T13176.1 
Grain Size (Micron meter) Q/QZH01-94,5.5 
D50 (Average grain size) 1.5-2.3um 
Less than 4um >=90% 
Less than 1um <=1% 
Sieve residue (wet sieve) <0.2% Q/QZH01-94,5.6 
More than 45um 
Al2O3 (dry) >=35+/-1% Q/QZH01-95,4.5 
Bulk density (g/l) 300-400 Q/QZH01-94,5.9 
Tap Denisty (g/l) 500-600 
Crystalline >=95% X-Ray 
Liquid carrying capacity (g/100g) >=31 Minimixer 
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Best Regards
Vicky Huang
Tel:86-592-5311167/5311775/776
Fax:86-592-5311772
E-Mail: vicky(at)xmzeolite.com