Precipitated Silica For Toothpaste

Precipitated silica for toothpaste includes comprehensive type, thickening type, high thickening type, friction type, high friction type and friction transparent type, etc.. The self-developed friction-type and friction-transparent abrasives for toothpaste have the characteristics of good stability and obvious cost advantages.

 

ELD 350

 

Test Basis and Method： QB/T 2346-2015     

Product model：HGY-III THICKENING MODEL  

Product specification: ELD350

 

Testing ItemUnitStandardTesting Method
Appearance % Free Flowing White PowderVisual Inspection
Whiteness % ≥ 96 QB/T 2346
Silica Content  / ≥96% QB/T 2346
PH Value  ml/g 5.5-8.0 QB/T 2346
DBP Absorption Value % 2.30-2.80 QB/T 2346
Heating Loss(105℃, 2h)  % ≤ 10 QB/T 2346
Ignition Loss(1000℃,2h) % ≤ 8.5 QB/T 2346
From the soluble salt solution (By Na2SO4)mg/kg ≤ 3.0 QB/T 2346
Fe mg/kg ≤ 350 QB/T 2346
PbCFU/g ≤ 15 QB/T 2346
Total aerobic count  CFU/g ≤ 200 QB/T 2346
Mold and yeast 
≤ 100 QB/T 2346
Gram Negative Bacill 
NegativeQB/T 2346
S.aureus
Negative QB/T 2346
D50 particle size distribution
8--15QB/T 2346
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