Рет қаралды 41,868
Guar Gum (E412) is readily soluble in cold water, forming a high viscosity solution at low concentrations which increases in viscosity as temperature rises.
It is widely used for its gelling, thickening and stabilising effect on emulsions and suspensions and often blended with other rheology modifiers, particularly Xanthan gum as the two combine to give greatly increased effects.
If you’re using a conventional agitator the powder must be added carefully at a controlled rate to reduce the formation of agglomerates - but it becomes increasingly difficult to incorporate the powder as viscosity increases.
Some formulations contain unnecessarily high levels of gum to compensate for poor yield due to filtering out of agglomerates.
Silverson high shear mixers can produce an agglomerate-free dispersion in a fraction of the time taken by conventional agitators. With all Silverson mixers, maximized yield can allow products to be reformulated with reduced gum content, cutting raw material costs and process times.
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