4A Zeolite powder
Other Name: Sodium Alumino-silicate.
Chemical Formula: Na2O*Al2O3*2SiO2*4.5H2O.
Appearance: Uniform white and fine powder, no visible contamination.
Application: The most important usage of 4A zeolite is in detergent builder formulations, it can replace phosphate (STTP) as soft water function.
Specification:
|
Serial No. |
Test Parameter |
Value |
unit |
Test Methods |
|
1 |
Ca exchange capacity(as anhydrous base) |
320min |
MgCaCO3/g |
QB/1768-2003 Complex metric Titration |
|
2 |
Ca Sequestering rate (as Anhydrous base) -After 2.0minutes -After 10.0minutes |
170min 200min |
MgCaCO3/g |
QB/1768-2003 Complex metric Titration |
|
3 |
pH(at 1% ambient T) |
11 max |
|
QB/1768-2003.Ph-meter |
|
4 |
Whiteness grade(W=Y) |
97min |
% |
GB/T13176.1 |
|
5 |
Particle size Average size ¡Ý10¨¹m ¡Ü4.0¨¹m ¡Ü1¨¹m |
2.5-3.5 1.0max 95min 1max
|
% |
Q/B2006-1 Microscopy or Electron Scan |
|
6 |
325mesh sieve residue ¡Ý45¨¹m |
¡Ü0.2 |
% |
Q/B2006-1 Wet sieving
|
|
8 |
Al2O3(anhydrous base) |
35min |
% |
QB/T1768-2003 |
|
9 |
Loss on ignition (800¡ãC 1h) |
20¡À0.5 |
% |
QB/T1768-2003 |
|
10 |
Crystallinity(with standard sample comparison test) |
95min |
% |
X-ray diffractometry(with standard sample comparison) |
|
11 |
Liquid carrying capacity |
31min |
g/100g |
Q/B2006-1
|
|
12 |
Bulk density Tap density |
350-450 550-650 |
g/l |
QB/T1768-2003 Q/B2006-1 |
