The silicon dioxide used in toothpaste is the powder without fixed model. No smell, no dissolved in water and acid, no chemical reaction with other chemical element, compatible with the fluorid and other materials of toothpaste are the features of this sort of silicon dioxide.
|PH(5% aqueous dispersion)||6.0-7.5||6.5|
|105°C loss on drying%||≤7.0||5.2|
|Water absorption ml/20g||≥42||54|
|Oil absorption mg/100g||≥230||290|
|Heavy metal (PB)mg/kg||≤15||≤5|
|white powder or granule||conform|
BK-9 IS ABRASIVE GRADE, has been specially designed as abrasive agent which offers a superior polishing effect in toothpaste formulations. It has a superior polishing effect,which provides excellent clarity and transparency. It can be seed in different toothpaste formulations,such as gels,opaque,anti-plaque and smokers.