----------- ZEOLITE SPECIFICATION------------ Item Limits Test Method Ignition loss(800íµ,1h) 20í+1% Q/QZH01-94,5.4 C.E.C Ca Ion exchangecapacity 320í+10mgCaCO3/g QB 1768-93 mgCaCO3(dry) White grade(w=y) 97í+0.5% GB/T13176.1 Grain Size(Micron meter) 2.1-2.6um D50(Average grain size) Less than 4um í¦90% Q/QZH01-94,5.5 Less than 1um í_1% Sieve residue(wet sieve) < 0.2% Q/QZH01-94,5.6. Grain Size(Micron meter) 2.1-2.6um.